part of
type: ObjectProperty
sub property of: overlaps
inverse of: has part
type: TransitiveProperty
IAO_0000115: a core relation that holds between a part and its whole

has part
type: ObjectProperty
sub property of: overlaps
type: TransitiveProperty
IAO_0000115: a core relation that holds between a whole and its part

precedes
type: ObjectProperty
sub property of: temporally related to
IAO_0000115: x precedes y if and only if the time point at which x ends is before or equivalent to the time point at which y starts. Formally: x precedes y iff ω(x) <= α(y), where α is a function that maps a process to a start point, and ω is a function that maps a process to an end point.

occurs in
type: ObjectProperty
IAO_0000115: b occurs_in c =def b is a process and c is a material entity or immaterial entity& there exists a spatiotemporal region r and b occupies_spatiotemporal_region r.& forall(t) if b exists_at t then c exists_at t & there exist spatial regions s and s’ where & b spatially_projects_onto s at t& c is occupies_spatial_region s’ at t& s is a proper_continuant_part_of s’ at t

contains process
type: ObjectProperty
IAO_0000115: [copied from inverse property 'occurs in'] b occurs_in c =def b is a process and c is a material entity or immaterial entity& there exists a spatiotemporal region r and b occupies_spatiotemporal_region r.& forall(t) if b exists_at t then c exists_at t & there exist spatial regions s and s’ where & b spatially_projects_onto s at t& c is occupies_spatial_region s’ at t& s is a proper_continuant_part_of s’ at t

partially_surrounded_by
type: ObjectProperty
IAO_0000115: x partially_surrounded_by y if and only if (1) x is adjacent to y and for the region r that is adjacent to x, r partially overlaps y (2) the shared boundary between x and y occupies a non-trivial proportion of the outermost boundary of x

inheres in
type: ObjectProperty
sub property of: inheres in part of
IAO_0000115: a relation between a specifically dependent continuant (the dependent) and an independent continuant (the bearer), in which the dependent specifically depends on the bearer for its existence

bearer of
type: ObjectProperty
IAO_0000115: a relation between an independent continuant (the bearer) and a specifically dependent continuant (the dependent), in which the dependent specifically depends on the bearer for its existence

participates in
type: ObjectProperty
IAO_0000115: a relation between a continuant and a process, in which the continuant is somehow involved in the process

has participant
type: ObjectProperty
IAO_0000115: a relation between a process and a continuant, in which the continuant is somehow involved in the process

has quality
type: ObjectProperty
sub property of: bearer of
IAO_0000115: a relation between an independent continuant (the bearer) and a quality, in which the quality specifically depends on the bearer for its existence

has role
type: ObjectProperty
sub property of: bearer of
IAO_0000115: a relation between an independent continuant (the bearer) and a role, in which the role specifically depends on the bearer for its existence

derives from
type: ObjectProperty
IAO_0000115: a relation between two distinct material entities, the new entity and the old entity, in which the new entity begins to exist when the old entity ceases to exist, and the new entity inherits the significant portion of the matter of the old entity

located in
type: ObjectProperty
IAO_0000115: a relation between two independent continuants, the target and the location, in which the target is entirely within the location

bounding layer of
type: ObjectProperty
sub property of: part of
IAO_0000115: X outer_layer_of Y iff: . X :continuant that bearer_of some PATO:laminar . X part_of Y . exists Z :surface . X has_boundary Z . Z boundary_of Y has_boundary: http://purl.obolibrary.org/obo/RO_0002002 boundary_of: http://purl.obolibrary.org/obo/RO_0002000

during which ends
type: ObjectProperty
sub property of: temporally related to

overlaps
type: ObjectProperty
sub property of: mereotopologically related to
IAO_0000115: x overlaps y if and only if there exists some z such that x has part z and z part of y

spatially disjoint from
type: ObjectProperty
sub property of: mereotopologically related to
IAO_0000115: A is spatially_disjoint_from B if and only if they have no parts in common

has component
type: ObjectProperty
sub property of: has part
IAO_0000115: w 'has component' p if w 'has part' p and w is such that it can be directly disassembled into into n parts p, p2, p3, ..., pn, where these parts are of similar type.

regulates (processual)
type: ObjectProperty
sub property of: causally upstream of
IAO_0000115: process(P1) regulates process(P2) iff: P1 results in the initiation or termination of P2 OR affects the frequency of its initiation or termination OR affects the magnitude or rate of output of P2.
label: regulates

surrounded by
type: ObjectProperty
sub property of: adjacent to
IAO_0000115: x surrounded_by y if and only if (1) x is adjacent to y and for every region r that is adjacent to x, r overlaps y (2) the shared boundary between x and y occupies the majority of the outermost boundary of x

adjacent to
type: ObjectProperty
sub property of: spatially disjoint from
IAO_0000115: x adjacent to y if and only if x and y share a boundary.

temporally related to
type: ObjectProperty

ends
type: ObjectProperty
sub property of: part of
sub property of: temporally related to
IAO_0000115: inverse of ends with

has input
type: ObjectProperty
sub property of: has participant
IAO_0000115: p has input c iff: p is a process, c is a material entity, c is a participant in p, c is present at the start of p, and the state of c is modified during p.

has output
type: ObjectProperty
sub property of: has participant
IAO_0000115: p has output c iff c is a participant in p, c is present at the end of p, and c is not present at the beginning of p.

results in developmental progression of
type: ObjectProperty
sub property of: developmentally related to
IAO_0000115: p results in the developmental progression of s iff p is a developmental process and s is an anatomical structure and p causes s to undergo a change in state at some point along its natural developmental cycle (this cycle starts with its formation, through the mature structure, and ends with its loss).

results in formation of
type: ObjectProperty
sub property of: has output
sub property of: results in developmental progression of

has habitat
type: ObjectProperty
sub property of: ecologically related to
IAO_0000115: x 'has habitat' y if and only if: x is an organism, y is a habitat, and y can sustain and allow the growth of a population of xs.

inheres in part of
type: ObjectProperty
sub property of: depends on
IAO_0000115: q inheres in part of w if and only if there exists some p such that q inheres in p and p part of w.

ecologically related to
type: ObjectProperty
IAO_0000115: A relationship that is mediated in some way by the environment or environmental feature (ENVO:00002297)

mereotopologically related to
type: ObjectProperty
IAO_0000115: A mereological relationship or a topological relationship

developmentally related to
type: ObjectProperty
IAO_0000115: A relationship that holds between entities participating in some developmental process (GO:0032502)

functionally related to
type: ObjectProperty
IAO_0000115: A grouping relationship for any relationship directly involving a function, or that holds because of a function of one of the related entities.

has member
type: ObjectProperty
sub property of: has part
IAO_0000115: has member is a mereological relation between a collection and an item.

output of
type: ObjectProperty
sub property of: participates in
sub property of: functionally related to
IAO_0000115: inverse of has output

formed as result of
type: ObjectProperty
sub property of: output of

causally related to
type: ObjectProperty
IAO_0000115: This relation groups causal relations between material entities and causal relations between processes

causally upstream of
type: ObjectProperty
sub property of: precedes
sub property of: causally upstream of or within
IAO_0000115: p is causally upstream of q if and only if p precedes q and p and q are linked in a causal chain

causally upstream of or within
type: ObjectProperty
sub property of: causal relation between processes
IAO_0000115: p 'causally upstream or within' q iff (1) the end of p is before the end of q and (2) the execution of p exerts some causal influence over the outputs of q; i.e. if p was abolished or the outputs of p were to be modified, this would necessarily affect q.
has related synonym: affects

composed primarily of
type: ObjectProperty
sub property of: has part
IAO_0000115: x composed_primarily_of y if and only if more than half of the mass of x is made from y or units of the same type as y.

causal agent in process
type: ObjectProperty
sub property of: causal relation between material entity and a process
IAO_0000115: A relationship between a material entity and a process where the material entity has some causal role that influences the process

causal relation between processes
type: ObjectProperty
sub property of: causally related to
IAO_0000115: p is causally related to q if and only if p or any part of p and q or any part of q are linked by a chain of events where each event pair is one of direct activation or direct inhibition. p may be upstream, downstream, part of or a container of q.

depends on
type: ObjectProperty

causal relation between entities
type: ObjectProperty
sub property of: causally related to

determined by
type: ObjectProperty
sub property of: part of
sub property of: determined by part of
sub property of: causally influenced by
IAO_0000115: s determined by f if and only if s is a type of system, and f is a material entity that is part of s, such that f exerts a strong causal influence on the functioning of s, and the removal of f would cause the collapse of s.

determined by part of
type: ObjectProperty
sub property of: overlaps
sub property of: causal relation between entities
IAO_0000115: s 'determined by part of' w if and only if there exists some f such that (1) s 'determined by' f and (2) f part_of w, or f=w.

causally influenced by
type: ObjectProperty
sub property of: causal relation between entities

causal relation between material entity and a process
type: ObjectProperty
sub property of: causally related to
IAO_0000115: A relationship that holds between a material entity and a process in which causality is involved, with either the material entity or some part of the material entity exerting some influence over the process, or the process influencing some aspect of the material entity.

process has causal agent
type: ObjectProperty
sub property of: causally related to
IAO_0000115: Inverse of 'causal agent in process'

entity
type: Class

continuant
type: Class
subclass of: entity
subclass of: Restriction
  on property: part of
  all values from: continuant
disjoint with: occurrent
disjoint with: Restriction
  on property: part of
  some values from: occurrent
IAO_0000115: An entity that exists in full at any time in which it exists at all, persists through time while maintaining its identity and has no temporal parts.

occurrent
type: Class
subclass of: entity
subclass of: Restriction
  on property: part of
  all values from: occurrent
disjoint with: Restriction
  on property: part of
  some values from: continuant
IAO_0000115: An entity that has temporal parts and that happens, unfolds or develops through time.

independent continuant
type: Class
subclass of: continuant
subclass of: Restriction
  on property: part of
  all values from: independent continuant
disjoint with: specifically dependent continuant
disjoint with: generically dependent continuant
IAO_0000115: A continuant that is a bearer of quality and realizable entity entities, in which other entities inhere and which itself cannot inhere in anything.
IAO_0000115: b is an independent continuant = Def. b is a continuant which is such that there is no c and no t such that b s-depends_on c at t. (axiom label in BFO2 Reference: [017-002])

process
type: Class
subclass of: occurrent
IAO_0000115: An occurrent that has temporal proper parts and for some time t, p s-depends_on some material entity at t.
IAO_0000115: p is a process = Def. p is an occurrent that has temporal proper parts and for some time t, p s-depends_on some material entity at t. (axiom label in BFO2 Reference: [083-003])

disposition
type: Class
subclass of: realizable entity
disjoint with: role

realizable entity
type: Class
subclass of: specifically dependent continuant
subclass of: Restriction
  on property: part of
  all values from: realizable entity
disjoint with: quality
IAO_0000115: A specifically dependent continuant that inheres in continuant entities and are not exhibited in full at every time in which it inheres in an entity or group of entities. The exhibition or actualization of a realizable entity is a particular manifestation, functioning or process that occurs under certain circumstances.

quality
type: Class
subclass of: specifically dependent continuant

specifically dependent continuant
type: Class
subclass of: continuant
subclass of: Restriction
  on property: part of
  all values from: specifically dependent continuant
disjoint with: generically dependent continuant
IAO_0000115: A continuant that inheres in or is borne by other entities. Every instance of A requires some specific instance of B which must always be the same.
IAO_0000115: b is a relational specifically dependent continuant = Def. b is a specifically dependent continuant and there are n > 1 independent continuants c1, … cn which are not spatial regions are such that for all 1 i < j n, ci and cj share no common parts, are such that for each 1 i n, b s-depends_on ci at every time t during the course of b’s existence (axiom label in BFO2 Reference: [131-004])
IAO_0000115: b is a specifically dependent continuant = Def. b is a continuant & there is some independent continuant c which is not a spatial region and which is such that b s-depends_on c at every time t during the course of b’s existence. (axiom label in BFO2 Reference: [050-003])

role
type: Class
subclass of: realizable entity
IAO_0000115: A realizable entity the manifestation of which brings about some result or end that is not essential to a continuant in virtue of the kind of thing that it is but that can be served or participated in by that kind of continuant in some kinds of natural, social or institutional contexts.

fiat object
type: Class
subclass of: material entity
label: fiat object part

object aggregate
type: Class
subclass of: material entity

site
type: Class
subclass of: immaterial entity

object
type: Class
subclass of: material entity

generically dependent continuant
type: Class
subclass of: continuant
IAO_0000115: A continuant that is dependent on one or other independent continuant bearers. For every instance of A requires some instance of (an independent continuant type) B but which instance of B serves can change from time to time.
IAO_0000115: b is a generically dependent continuant = Def. b is a continuant that g-depends_on one or more other entities. (axiom label in BFO2 Reference: [074-001])

material entity
type: Class
subclass of: independent continuant
disjoint with: immaterial entity
IAO_0000115: An independent continuant that is spatially extended whose identity is independent of that of other entities and can be maintained through time.

immaterial entity
type: Class
subclass of: independent continuant

anatomical entity
type: Class
subclass of: biological entity

material anatomical entity
type: Class
subclass of: material entity
subclass of: anatomical entity

biological entity
type: Class
subclass of: independent continuant

gas molecular entity
type: Class
subclass of: main group molecular entity

kaolin
type: Class
subclass of: aluminosilicate mineral
subclass of: mixture

electron donor
type: Class
subclass of: donor

water
type: Class
subclass of: oxygen hydride
subclass of: mononuclear parent hydride
subclass of: inorganic hydroxy compound

dioxygen
type: Class
subclass of: gas molecular entity
subclass of: elemental molecule
subclass of: diatomic oxygen

halide anion
type: Class
subclass of: monoatomic monoanion
subclass of: monovalent inorganic anion

carbon dioxide
type: Class
subclass of: gas molecular entity
subclass of: carbon oxide
subclass of: one-carbon compound

donor
type: Class
subclass of: chemical role

chloride
type: Class
subclass of: halide anion
subclass of: monoatomic chlorine

dinitrogen
type: Class
subclass of: gas molecular entity
subclass of: elemental molecule
subclass of: diatomic nitrogen

anion
type: Class
subclass of: ion

carbon oxide
type: Class
subclass of: organic oxide
subclass of: organooxygen compound

chloride salt
type: Class
subclass of: chlorine molecular entity
subclass of: halide salt

chlorine molecular entity
type: Class
subclass of: halogen molecular entity

molecular entity
type: Class
subclass of: chemical entity

monoatomic anion
type: Class
subclass of: anion
subclass of: monoatomic ion

chemical entity
type: Class
subclass of: material entity

biological role
type: Class
subclass of: role

halogen molecular entity
type: Class
subclass of: p-block molecular entity

hydrocarbon
type: Class
subclass of: organic fundamental parent

hydroxides
type: Class
subclass of: oxygen molecular entity
subclass of: hydrogen molecular entity
subclass of: heteroatomic molecular entity

inorganic anion
type: Class
subclass of: anion
subclass of: inorganic ion

inorganic molecular entity
type: Class
subclass of: molecular entity

inorganic oxide
type: Class
subclass of: inorganic molecular entity
subclass of: oxide

inorganic salt
type: Class
subclass of: inorganic molecular entity
subclass of: salt

salt
type: Class
subclass of: heteroatomic molecular entity

monoatomic ion
type: Class
subclass of: ion
subclass of: monoatomic entity

ion
type: Class
subclass of: molecular entity

elemental molecule
type: Class
subclass of: molecule
subclass of: elemental molecular entity

molecule
type: Class
subclass of: polyatomic entity

nitrogen atom
type: Class
subclass of: nonmetal atom
subclass of: pnictogen

nonmetal atom
type: Class
subclass of: atom

organic oxide
type: Class
subclass of: oxide
subclass of: organic molecule

oxide
type: Class
subclass of: oxygen molecular entity
subclass of: heteroatomic molecular entity

oxygen molecular entity
type: Class
subclass of: chalcogen molecular entity

silicon molecular entity
type: Class
subclass of: carbon group molecular entity

sodium chloride
type: Class
subclass of: inorganic chloride
subclass of: inorganic sodium salt

sodium molecular entity
type: Class
subclass of: alkali metal molecular entity

sodium salt
type: Class
subclass of: sodium molecular entity
subclass of: alkali metal salt

carbon atom
type: Class
subclass of: nonmetal atom
subclass of: carbon group element atom

silicon dioxide
type: Class
subclass of: silicon oxide

Talc
type: Class
subclass of: organic molecular entity

application
type: Class
subclass of: role

monoatomic entity
type: Class
subclass of: elemental molecular entity

inorganic hydride
type: Class
subclass of: inorganic molecular entity
subclass of: hydrides

organic fundamental parent
type: Class
subclass of: organic hydride
subclass of: organic molecular entity

atom
type: Class
subclass of: chemical entity

elemental molecular entity
type: Class
subclass of: molecular entity

elemental oxygen
type: Class
subclass of: inorganic molecular entity
subclass of: oxygen molecular entity
subclass of: elemental molecular entity

diatomic oxygen
type: Class
subclass of: elemental oxygen

diatomic nitrogen
type: Class
subclass of: elemental nitrogen

elemental nitrogen
type: Class
subclass of: elemental pnictogen
subclass of: nitrogen molecular entity

nutrient
type: Class
subclass of: food component

heteroorganic entity
type: Class
subclass of: organic molecular entity

fuel
type: Class
subclass of: application

alkali metal molecular entity
type: Class
subclass of: s-block molecular entity

alkaline earth molecular entity
type: Class
subclass of: s-block molecular entity

pnictogen
type: Class
subclass of: p-block element atom

pnictogen molecular entity
type: Class
subclass of: p-block molecular entity

chalcogen molecular entity
type: Class
subclass of: p-block molecular entity

carbon group element atom
type: Class
subclass of: p-block element atom

main group element atom
type: Class
subclass of: atom

silicon oxide
type: Class
subclass of: inorganic oxide
subclass of: silicon molecular entity

monoatomic monoanion
type: Class
subclass of: monoatomic anion
subclass of: monoanion

elemental chlorine
type: Class
subclass of: chlorine molecular entity
subclass of: elemental halogen

monoatomic chlorine
type: Class
subclass of: elemental chlorine
subclass of: monoatomic halogen

monoatomic halogen
type: Class
subclass of: monoatomic entity

elemental halogen
type: Class
subclass of: elemental molecular entity

elemental pnictogen
type: Class
subclass of: inorganic molecular entity
subclass of: elemental molecular entity
subclass of: pnictogen molecular entity

metal atom
type: Class
subclass of: atom

p-block element atom
type: Class
subclass of: main group element atom

main group molecular entity
type: Class
subclass of: molecular entity

carbon group molecular entity
type: Class
subclass of: p-block molecular entity

noble gas molecular entity
type: Class
subclass of: main group molecular entity

hydrogen molecular entity
type: Class
subclass of: s-block molecular entity

s-block molecular entity
type: Class
subclass of: main group molecular entity

p-block molecular entity
type: Class
subclass of: main group molecular entity

helium molecular entity
type: Class
subclass of: noble gas molecular entity
subclass of: s-block molecular entity

hydrides
type: Class
subclass of: hydrogen molecular entity
subclass of: heteroatomic molecular entity

oxygen hydride
type: Class
subclass of: chalcogen hydride

biomacromolecule
type: Class
subclass of: macromolecule
subclass of: organic molecular entity

macromolecule
type: Class
subclass of: polyatomic entity

halide salt
type: Class
subclass of: salt
subclass of: halide

fossil fuel
type: Class
subclass of: fuel

alkali metal salt
type: Class
subclass of: salt
subclass of: alkali metal molecular entity

inorganic chloride
type: Class
subclass of: chloride salt
subclass of: inorganic salt

subatomic particle
type: Class
subclass of: material entity

polyatomic entity
type: Class
subclass of: molecular entity

monoanion
type: Class
subclass of: anion

chalcogen hydride
type: Class
subclass of: inorganic hydride
subclass of: chalcogen molecular entity

argon molecular entity
type: Class
subclass of: noble gas molecular entity

inorganic ion
type: Class
subclass of: inorganic molecular entity
subclass of: ion

organochalcogen compound
type: Class
subclass of: heteroorganic entity
subclass of: chalcogen molecular entity

organooxygen compound
type: Class
subclass of: oxygen molecular entity
subclass of: organochalcogen compound

barium molecular entity
type: Class
subclass of: alkaline earth molecular entity

elemental barium
type: Class
subclass of: barium molecular entity

organic hydride
type: Class
subclass of: hydrides

mononuclear parent hydride
type: Class
subclass of: hydrides

heteroatomic molecular entity
type: Class
subclass of: polyatomic entity

halide
type: Class
subclass of: halogen molecular entity
subclass of: heteroatomic molecular entity

inorganic sodium salt
type: Class
subclass of: inorganic salt
subclass of: sodium salt

asbestos
type: Class
subclass of: silicate mineral

mineral
type: Class
subclass of: chemical substance

silicate mineral
type: Class
subclass of: mineral

aluminosilicate mineral
type: Class
subclass of: silicate mineral

organic molecular entity
type: Class
subclass of: carbon group molecular entity

role
type: Class

chemical role
type: Class
subclass of: role

nitrogen molecular entity
type: Class
subclass of: pnictogen molecular entity

physiological role
type: Class
subclass of: biological role

inorganic hydroxy compound
type: Class
subclass of: hydroxides
subclass of: inorganic molecular entity

chemical substance
type: Class
subclass of: chemical entity

mixture
type: Class
subclass of: chemical substance

one-carbon compound
type: Class
subclass of: organic molecular entity

organic molecule
type: Class
subclass of: molecule
subclass of: organic molecular entity

greenhouse gas
type: Class
subclass of: chemical role

food component
type: Class
subclass of: physiological role

environmental contaminant
type: Class
subclass of: chemical role

monovalent inorganic anion
type: Class
subclass of: inorganic anion

geographic feature
type: Class
subclass of: astronomical body part
has exact synonym: macroscopic spatial feature

anthropogenic geographic feature
type: Class
equivalent class: Class
  intersection of: geographic feature
  intersection of: Restriction
    on property: formed as result of
    some values from: anthropisation
subclass of: geographic feature
subclass of: Restriction
  on property: formed as result of
  some values from: anthropisation
IAO_0000115: An anthropogenic geographic feature is a geographic feature resulting from the influence of human beings on nature.
has related synonym: man-made feature
has related synonym: manmade feature

hydrographic feature
type: Class
equivalent class: Class
  intersection of: geographic feature
  intersection of: Class
    union of: Restriction
      on property: partially_surrounded_by
      some values from: liquid water
    union of: Restriction
      on property: adjacent to
      some values from: water body
subclass of: geographic feature
IAO_0000115: A geographical feature associated with water.
has related synonym: fluvial feature

ocean
type: Class
subclass of: marine water body
subclass of: saline water body
subclass of: Restriction
  on property: composed primarily of
  some values from: sea water
IAO_0000115: A marine water body which is constitutes the majority of an astronomical body's hydrosphere.
has exact synonym: Ocean
has exact synonym: ocean
has related synonym: ocean region

sea
type: Class
subclass of: marine water body
subclass of: saline water body
subclass of: Restriction
  on property: composed primarily of
  some values from: sea water
IAO_0000115: A large expanse of saline water usually connected with an ocean.
has exact synonym: Sea
has exact synonym: sea
has narrow synonym: channel
has narrow synonym: closed sea
has narrow synonym: marginal sea
has narrow synonym: open sea
has narrow synonym: open sound
has narrow synonym: open water

saline hydrographic feature
type: Class
equivalent class: Class
  union of: Class
    intersection of: hydrographic feature
    intersection of: Restriction
      on property: adjacent to
      some values from: Class
        intersection of: water body
        intersection of: Restriction
  union of: Restriction
    on property: partially_surrounded_by
    some values from: saline water
subclass of: hydrographic feature
IAO_0000115: A geographical feature associated with water with a halinity above 30 ppt (roughly 35 g/L).

saline lake
type: Class
equivalent class: Class
  intersection of: lake
  intersection of: Restriction
    on property: composed primarily of
    some values from: saline water
subclass of: lake
subclass of: saline water body
IAO_0000115: A lake whose water contains a considerable concentration of dissolved salts.
has exact synonym: salt lake
has related synonym: salina
has related synonym: soda lake

lake
type: Class
equivalent class: Class
  intersection of: lentic water body
  intersection of: Restriction
    on property: partially_surrounded_by
    some values from: planetary landmass
  intersection of: Restriction
    on property: located in
    some values from: Class
      intersection of: depression
      intersection of: Restriction
        on property: part of
        some values from: planetary landmass
subclass of: lentic water body
subclass of: Restriction
  on property: partially_surrounded_by
  some values from: planetary landmass
subclass of: Restriction
  on property: located in
  some values from: Class
    intersection of: depression
    intersection of: Restriction
      on property: part of
      some values from: planetary landmass
IAO_0000115: A body of water or other liquid of considerable size contained in a depression on a landmass.
has narrow synonym: catch basin
has narrow synonym: open water
has narrow synonym: tarn
has related synonym: broad
has related synonym: llyn
has related synonym: loch
has related synonym: lochan
has related synonym: lough
has related synonym: mere
has related synonym: mortlake
has related synonym: pasteuer lake

water body
type: Class
subclass of: water mass
subclass of: Restriction
  on property: part of
  some values from: hydrosphere
subclass of: Restriction
  on property: composed primarily of
  some values from: water
IAO_0000115: An accumulation of water of varying size.
has broad synonym: hydrographic feature
has exact synonym: aquatic feature
has exact synonym: bodies of water
has exact synonym: body of water
has exact synonym: waterbody

human construction
type: Class
equivalent class: Class
  intersection of: construction
  intersection of: Restriction
    on property: output of
    some values from: human-directed construction process
subclass of: construction
subclass of: Restriction
  on property: part of
  some values from: technosphere
subclass of: Restriction
  on property: output of
  some values from: human-directed construction process
IAO_0000115: A construction that has been assembled by deliberate human effort.
has exact synonym: constructed feature

building
type: Class
subclass of: human construction
subclass of: Restriction
  on property: has part
  some values from: building part
IAO_0000115: A permanent walled and roofed construction.
has exact synonym: BUILDING
has exact synonym: building

desert area
type: Class
equivalent class: Class
  intersection of: area of barren land
  intersection of: Restriction
    on property: has quality
    some values from: arid
subclass of: area of barren land
subclass of: Restriction
  on property: has quality
  some values from: arid
IAO_0000115: A region rendered barren or partially barren by environmental extremes, especially by low rainfall.
has related synonym: arid region

valley
type: Class
subclass of: geographic basin
subclass of: Restriction
  on property: has quality
  some values from: elongated
subclass of: Restriction
  on property: formed as result of
  some values from: planetary erosion
IAO_0000115: A depression which has been formed as a result of erosion by water or ice and which is low-lying, bordered by higher ground, and especially elongate.
has narrow synonym: chasm
has narrow synonym: coulee
has narrow synonym: dale
has narrow synonym: glacial gorge
has narrow synonym: glacial trough
has narrow synonym: gulch
has narrow synonym: gully
has narrow synonym: median valley
has narrow synonym: shelf valley
has related synonym: glen
has related synonym: goe
has related synonym: gorge
has related synonym: graben
has related synonym: hollow
has related synonym: lavaka
has related synonym: moat
has related synonym: ravine
has related synonym: re-entrant
has related synonym: seachannel
has related synonym: strath
has related synonym: trench
has related synonym: vale
has related synonym: water gap

grassland area
type: Class
subclass of: vegetated area
subclass of: Restriction
  on property: overlaps
  some values from: grassland ecosystem
IAO_0000115: An area in which grasses (Graminae) are a significant component of the vegetation.
has related synonym: grazing area
has related synonym: herbaceous area

woodland area
type: Class
subclass of: vegetated area
IAO_0000115: Land having a cover of trees, shrubs, or both.
has narrow synonym: brigalow
has narrow synonym: pine grove
has related synonym: caatinga
has related synonym: chanaral
has related synonym: coniferous forest
has related synonym: copse
has related synonym: deciduous forest
has related synonym: equatorial forest
has related synonym: equatorial rain forest
has related synonym: garique
has related synonym: grove
has related synonym: jungle
has related synonym: mallee scrub
has related synonym: monsoon forest
has related synonym: moor
has related synonym: mott
has related synonym: motte
has related synonym: mulga
has related synonym: mulga scrub
has related synonym: rain forest
has related synonym: reforested area
has related synonym: sagebrush
has related synonym: scrub
has related synonym: shrub
has related synonym: silva
has related synonym: stand
has related synonym: taiga
has related synonym: thicket
has related synonym: thorn forest
has related synonym: tropical rain forest
has related synonym: wood
has related synonym: wooded area

forested area
type: Class
equivalent class: Class
  intersection of: woodland area
  intersection of: Restriction
    on property: overlaps
    some values from: forest ecosystem
subclass of: woodland area
subclass of: Restriction
  on property: overlaps
  some values from: forest ecosystem
IAO_0000115: An area with a high density of trees. A small forest may be called a wood.
has related synonym: forest
has related synonym: wood

dry valley
type: Class
equivalent class: Class
  intersection of: valley
  intersection of: Restriction
    on property: has quality
    some values from: dry
subclass of: valley
subclass of: Restriction
  on property: has quality
  some values from: dry
IAO_0000115: A valley that no longer has a surface flow of water. Typically found in either Karst (limestone) or chalk terrain.

glacial feature
type: Class
equivalent class: Class
  intersection of: material entity
  intersection of: Restriction
    on property: composed primarily of
    some values from: Class
      union of: water ice
      union of: snow
subclass of: material entity
subclass of: Restriction
  on property: composed primarily of
  some values from: Class
    union of: water ice
    union of: snow
IAO_0000115: A hydrographic feature characterized by the dominance of snow or ice.
has narrow synonym: glacer
has related synonym: Ice
has related synonym: LandIce
has related synonym: glacial landform
has related synonym: glacier feature

permafrost
type: Class
subclass of: environmental material
subclass of: Restriction
  on property: has quality
  some values from: decreased temperature
subclass of: Restriction
  on property: composed primarily of
  some values from: Class
    union of: rock
    union of: soil
    union of: sediment
IAO_0000115: Soil or rock and included ice or organic material at or below the freezing point of water (0 degrees Celsius or 32 degrees Fahrenheit) for two or more years.
has exact synonym: Permafrost

elevation
type: Class
subclass of: solid astronomical body part
subclass of: Restriction
  on property: has part
  some values from: slope
subclass of: Restriction
  on property: has quality
  some values from: increased elevation
IAO_0000115: A landform elevated above the surrounding area.

solid astronomical body part
type: Class
equivalent class: Class
  intersection of: astronomical body part
  intersection of: Restriction
    on property: composed primarily of
    some values from: solid environmental material
subclass of: astronomical body part
subclass of: Restriction
  on property: composed primarily of
  some values from: solid environmental material
IAO_0000115: A part of an astronomical body which is primarily composed of a continuous volume of solid material, shaped by one or more environmental processes.
has related synonym: geological feature
has related synonym: physiographic feature

scree
type: Class
equivalent class: Class
  intersection of: environmental material
  intersection of: Restriction
    on property: has part
    some values from: piece of rock
  intersection of: Restriction
    on property: derives from
    some values from: rock
subclass of: environmental material
subclass of: Restriction
  on property: has part
  some values from: piece of rock
subclass of: Restriction
  on property: derives from
  some values from: rock
IAO_0000115: Broken rock that appears at the bottom of crags, mountain cliffs or valley shoulders.
has related synonym: TALUS
has related synonym: talus slope

glacial valley
type: Class
subclass of: valley
IAO_0000115: A valley that contains, or contained, a glacier and was formed by glacial activity. Typically U-shaped in cross-section.
has related synonym: valley

scrubland area
type: Class
subclass of: vegetated area
IAO_0000115: Area covered with low-growing or stunted perennial vegetation and usually not mixed with trees.
has exact synonym: scrubland
has related synonym: bush
has related synonym: chaparal area
has related synonym: heath
has related synonym: scrub
has related synonym: shrubland

shore
type: Class
subclass of: solid astronomical body part
subclass of: Restriction
  on property: part of
  some values from: coast
subclass of: Restriction
  on property: adjacent to
  some values from: water body
IAO_0000115: That part of the land in immediate contact with a body of water including the area between high and low water lines.
has broad synonym: coastal zone
has exact synonym: SHORE
has exact synonym: shore
has narrow synonym: shoreface
has related synonym: beach face
has related synonym: foreshore
has related synonym: inshore
has related synonym: rivage
has related synonym: seashore
has related synonym: strand

depression
type: Class
subclass of: solid astronomical body part
subclass of: Restriction
  on property: has part
  some values from: slope
subclass of: Restriction
  on property: has quality
  some values from: decreased elevation
subclass of: Restriction
  on property: has quality
  some values from: sloped downward
IAO_0000115: A landform sunken or depressed below the surrounding area.
has related synonym: barrier basin
has related synonym: depression
has related synonym: non tidal basin
has related synonym: pan
has related synonym: pan (geologic)
has related synonym: pans
has related synonym: tidal basin

piece of rock
type: Class
equivalent class: Class
  intersection of: mass of solid material
  intersection of: Restriction
    on property: composed primarily of
    some values from: rock
subclass of: mass of solid material
subclass of: Restriction
  on property: composed primarily of
  some values from: rock
IAO_0000115: An abiotic mesoscopic feature made of the mineral material of the crust of the Earth.

biome
type: Class
subclass of: ecosystem
subclass of: Restriction
  on property: part of
  some values from: biosphere
subclass of: Restriction
  on property: has part
  some values from: habitat
subclass of: Restriction
  on property: determined by
  some values from: ecological community
subclass of: Restriction
  on property: has component
  min qualified cardinality: 2
  on class: habitat
disjoint with: ecoregion
disjoint with: ecozone
IAO_0000115: A biome is an ecosystem to which resident ecological communities have evolved adaptations.
has exact synonym: major habitat type
has related synonym: EcosytemType

terrestrial biome
type: Class
equivalent class: Class
  intersection of: biome
  intersection of: Restriction
    on property: determined by
    some values from: Class
      union of: planetary landmass
      union of: Restriction
        on property: part of
        some values from: planetary landmass
subclass of: biome
subclass of: Restriction
  on property: determined by
  some values from: Class
    union of: planetary landmass
    union of: Restriction
      on property: part of
      some values from: planetary landmass
IAO_0000115: A biome which is primarily or completely situated on a landmass.
has related synonym: terrestrial realm

marine biome
type: Class
equivalent class: Class
  intersection of: aquatic biome
  intersection of: Restriction
    on property: determined by
    some values from: marine water body
subclass of: aquatic biome
subclass of: marine ecosystem
IAO_0000115: An aquatic biome which is determined by a marine water body.
has related synonym: marine realm

rock
type: Class
subclass of: solid environmental material
subclass of: Restriction
  on property: has quality
  some values from: hard
disjoint with: mineral material
IAO_0000115: A rock is a naturally occurring solid aggregate of one or more minerals or mineraloids.

soil
type: Class
subclass of: environmental material
subclass of: Restriction
  on property: part of
  some values from: pedosphere
subclass of: Restriction
  on property: has part
  some values from: clay
subclass of: Restriction
  on property: has part
  some values from: silt
subclass of: Restriction
  on property: has part
  some values from: sand
subclass of: Restriction
  on property: has part
  some values from: organic material
subclass of: Restriction
  on property: has part
  some values from: mineral material
subclass of: Restriction
  on property: has part
  some values from: Class
    intersection of: chemical entity
    intersection of: Restriction
      on property: has role
      some values from: nutrient
subclass of: Restriction
  on property: has quality
  some values from: porous
IAO_0000115: Soil is an environmental material which is primarily composed of minerals, varying proportions of sand, silt, and clay, organic material such as humus, gases, liquids, and a broad range of resident micro- and macroorganisms.
has broad synonym: regolith

marine water body
type: Class
subclass of: marine pelagic feature
subclass of: lentic water body
subclass of: hydroform
subclass of: Restriction
  on property: part of
  some values from: marine biome
IAO_0000115: A significant accumulation of water which is part of a marine biome.
has exact synonym: body of marine water
has exact synonym: marine waterbody

slope
type: Class
subclass of: solid astronomical body part
subclass of: Restriction
  on property: part of
  some values from: Class
    union of: depression
    union of: elevation
subclass of: Restriction
  on property: has quality
  some values from: sloped
IAO_0000115: A solid astronomical body part which is part of the planetary surface between the peak of an elevation or the bottom of a depression and relatively flat surrounding land.
has related synonym: flank
has related synonym: side

obsolete physical object of mesoscopic geological size
type: Class
IAO_0000115: An object which is large enough to be visible to humans, but small enough that humans can handle the object (i.e. transport it, examine it, etc) in its entirety with little to no technological assistance.
deprecated: true

air
type: Class
subclass of: gaseous environmental material
subclass of: Restriction
  on property: has part
  some values from: dioxygen
subclass of: Restriction
  on property: has part
  some values from: carbon dioxide
subclass of: Restriction
  on property: has part
  some values from: argon molecular entity
subclass of: Restriction
  on property: has part
  some values from: water vapour
subclass of: Restriction
  on property: composed primarily of
  some values from: dinitrogen
IAO_0000115: The mixture of gases (roughly (by molar content/volume: 78% nitrogen, 20.95% oxygen, 0.93% argon, 0.038% carbon dioxide, trace amounts of other gases, and a variable amount (average around 1%) of water vapor) that surrounds the planet Earth.

liquid water
type: Class
subclass of: liquid environmental material
subclass of: Restriction
  on property: composed primarily of
  some values from: water
IAO_0000115: An environmental material primarily composed of dihydrogen oxide in its liquid form.
has broad synonym: water

sediment
type: Class
subclass of: environmental material
subclass of: Restriction
  on property: has quality
  some values from: porous
subclass of: Restriction
  on property: has quality
  some values from: granular
IAO_0000115: Sediment is an environmental substance comprised of any particulate matter that can be transported by fluid flow and which eventually is deposited as a layer of solid particles on the bedor bottom of a body of water or other liquid.

dust
type: Class
subclass of: particulate matter
subclass of: solid environmental material
subclass of: Restriction
  on property: has quality
  some values from: dry
IAO_0000115: Minute solid particles with diameters less than 500 micrometers. Occurs in and may be deposited from, the atmosphere.

saline water
type: Class
subclass of: liquid water
subclass of: Restriction
  on property: has quality
  some values from: increased osmolarity
subclass of: Restriction
  on property: has increased levels of
  some values from: sodium chloride
IAO_0000115: Water which contains a significant concentration of dissolved salts.
has exact synonym: salt water

igneous rock
type: Class
equivalent class: Class
  intersection of: rock
  intersection of: Restriction
    on property: derives from
    some values from: lava
subclass of: rock
subclass of: Restriction
  on property: derives from
  some values from: lava
IAO_0000115: Rock formed from molten magma.

sedimentary rock
type: Class
subclass of: rock
IAO_0000115: A rock formed by deposition of either clastic sediments, organic matter, or chemical precipitates (evaporites), followed by compaction of the particulate matter and cementation during diagenesis.

metamorphic rock
type: Class
subclass of: rock
IAO_0000115: A rock formed by subjecting any rock type (including previously-formed metamorphic rock) to different temperature and pressure conditions than those in which the original rock was formed. These temperatures and pressures are always higher than those at the Earth's surface and must be sufficiently high so as to change the original minerals into other mineral types or else into other forms of the same minerals (e.g. by recrystallisation).

aquatic biome
type: Class
equivalent class: Class
  intersection of: biome
  intersection of: Restriction
    on property: determined by
    some values from: water body
subclass of: biome
subclass of: aquatic ecosystem
IAO_0000115: A biome which is determined by a water body and which has ecological climax communities adapted to life in or on water.

chemically enriched sediment
type: Class
equivalent class: Class
  intersection of: sediment
  intersection of: Restriction
    on property: has increased levels of
    some values from: chemical entity
subclass of: sediment
subclass of: Restriction
  on property: has increased levels of
  some values from: chemical entity
IAO_0000115: Sediment which has increased levels of one or more chemical compounds.

sea water
type: Class
equivalent class: Class
  intersection of: saline water
  intersection of: Restriction
    on property: part of
    some values from: Class
      union of: ocean
      union of: sea
subclass of: saline water
subclass of: Restriction
  on property: part of
  some values from: Class
    union of: ocean
    union of: sea
IAO_0000115: Water which has physicochemical properties that have been determined by the processes occuring in a sea or ocean.
has exact synonym: ocean water
has exact synonym: seawater

contaminated water
type: Class
equivalent class: Class
  intersection of: liquid water
  intersection of: Restriction
    on property: has increased levels of
    some values from: Class
      intersection of: chemical entity
      intersection of: Restriction
        on property: has role
        some values from: environmental contaminant
subclass of: liquid water
subclass of: Restriction
  on property: has increased levels of
  some values from: Class
    intersection of: chemical entity
    intersection of: Restriction
      on property: has role
      some values from: environmental contaminant
has exact synonym: polluted water

organically enriched sediment
type: Class
equivalent class: Class
  intersection of: chemically enriched sediment
  intersection of: Restriction
    on property: has increased levels of
    some values from: organic molecular entity
subclass of: chemically enriched sediment
subclass of: Restriction
  on property: has increased levels of
  some values from: organic molecular entity
IAO_0000115: Chemically-enriched sediment which has increased levels of organic compounds.

inorganically enriched sediment
type: Class
equivalent class: Class
  intersection of: chemically enriched sediment
  intersection of: Restriction
    on property: has increased levels of
    some values from: inorganic molecular entity
subclass of: chemically enriched sediment
subclass of: Restriction
  on property: has increased levels of
  some values from: inorganic molecular entity
IAO_0000115: Chemically-enriched sediment which has increased levels of inorganic compounds.

forest soil
type: Class
equivalent class: Class
  intersection of: soil
  intersection of: Restriction
    on property: located in
    some values from: forested area
subclass of: soil
subclass of: Restriction
  on property: located in
  some values from: forested area
IAO_0000115: A portion of soil which is found in a forested area.

waste material
type: Class
equivalent class: Class
  intersection of: environmental material
  intersection of: Restriction
    on property: has role
    some values from: waste role
subclass of: environmental material
subclass of: Restriction
  on property: has role
  some values from: waste role
IAO_0000115: A material which is not the desired output of a process and which is typically the input of a process which removes it from its producer (e.g. a disposal process).

obsolete environmental feature
type: Class
IAO_0000115: OBSOLETE A material entity which determines an environmental system.
deprecated: true

bagasse
type: Class
subclass of: waste material
IAO_0000115: The biomass remaining after sugarcane stalks are crushed to extract their juice.
has exact synonym: sugarcane bagasse

clay
type: Class
subclass of: environmental material
subclass of: Restriction
  on property: has quality
  some values from: porous
disjoint with: silt
IAO_0000115: A group of hydrous aluminium phyllosilicate (phyllosilicates being a subgroup of silicate minerals) minerals (see clay minerals), that are typically less than 2 micrometres in diameter. Clay consists of a variety of phyllosilicate minerals rich in silicon and aluminium oxides and hydroxides which include variable amounts of structural water.

silage
type: Class
subclass of: agricultural environmental material
IAO_0000115: A fermented, high-moisture forage that can be fed to ruminants.

manufactured product
type: Class
equivalent class: Class
  intersection of: material entity
  intersection of: Restriction
    on property: output of
    some values from: manufacturing process
subclass of: material entity
subclass of: Restriction
  on property: output of
  some values from: manufacturing process
IAO_0000115: A material entity that has been processed by humans or their technology in any way, including intermediate products as well as final products.
has exact synonym: manufactured good

obsolete anthropogenic abiotic mesoscopic feature
type: Class
deprecated: true

enriched soil
type: Class
equivalent class: Class
  intersection of: soil
  intersection of: Restriction
    on property: has increased levels of
    some values from: material entity
subclass of: soil
subclass of: Restriction
  on property: has increased levels of
  some values from: material entity
IAO_0000115: A portion of enriched soil is a portion of soil with elevated levels of some material entity.

dry soil
type: Class
equivalent class: Class
  intersection of: soil
  intersection of: Restriction
    on property: has quality
    some values from: dry
subclass of: soil
subclass of: Restriction
  on property: has quality
  some values from: dry
IAO_0000115: Soil which has little to no water content and in which minerals and other soluble chemical entities have either bonded or become adsorbed to sold particles due to insufficient water availability.

grassland soil
type: Class
equivalent class: Class
  intersection of: soil
  intersection of: Restriction
    on property: located in
    some values from: grassland area
subclass of: soil
subclass of: Restriction
  on property: located in
  some values from: grassland area
IAO_0000115: A portion of soil which is found in a grassland.

desert sand
type: Class
equivalent class: Class
  intersection of: sand
  intersection of: Restriction
    on property: part of
    some values from: desert
subclass of: sand
subclass of: Restriction
  on property: part of
  some values from: desert
IAO_0000115: Sand which is part of a desert.

environmental material
type: Class
subclass of: fiat object
IAO_0000115: A portion of environmental material is a fiat object part which forms the medium or part of the medium of an environmental system.
has exact synonym: portion of environmental material

surface layer
type: Class
subclass of: interface layer
IAO_0000115: A layer of some material entity which is adjacent to one or more of its external boundaries and directly interacts with its immediate surroundings.

aerosol
type: Class
subclass of: environmental material
subclass of: Restriction
  on property: has part
  some values from: gaseous environmental material
subclass of: Restriction
  on property: has part
  some values from: Class
    intersection of: particulate matter
    intersection of: Restriction
      on property: surrounded by
      some values from: gaseous environmental material
subclass of: Restriction
  on property: has quality
  some values from: amorphous
IAO_0000115: Airborne solid particles (also called dust or particulate matter (PM)) or liquid droplets.

anthropogenic environmental material
type: Class
equivalent class: Class
  intersection of: environmental material
  intersection of: Restriction
    on property: output of
    some values from: Class
      union of: anthropisation
      union of: manufacturing process
subclass of: environmental material
subclass of: Restriction
  on property: output of
  some values from: Class
    union of: anthropisation
    union of: manufacturing process
IAO_0000115: Anthropogenic material in or on which organisms may live.

agricultural environmental material
type: Class
subclass of: anthropogenic environmental material

obsolete abiotic mesoscopic physical object
type: Class
deprecated: true

silt
type: Class
subclass of: environmental material
subclass of: Restriction
  on property: has quality
  some values from: porous
subclass of: Restriction
  on property: has quality
  some values from: granular
disjoint with: sand
IAO_0000115: Silt is granular material of a size somewhere between sand and clay whose mineral origin is quartz and feldspar.

sand
type: Class
subclass of: environmental material
subclass of: Restriction
  on property: derives from
  some values from: rock
IAO_0000115: A naturally occurring granular material composed of finely divided rock and mineral particles.

marine pelagic biome
type: Class
subclass of: marine biome
subclass of: Restriction
  on property: has part
  some values from: marine water body
IAO_0000115: The marine pelagic biome (pelagic meaning open sea) is that of the marine water column, from the surface to the greatest depths.

neritic pelagic zone biome
type: Class
subclass of: marine pelagic biome
disjoint with: oceanic pelagic zone biome
IAO_0000115: The neritic epipelagic zone biome comprises the marine water column above a continental shelf.

oceanic pelagic zone biome
type: Class
subclass of: marine pelagic biome
IAO_0000115: The oceanic epipelagic zone biome comprises the marine water column offshore, beyond a continental shelf.

oceanic sea surface microlayer biome
type: Class
subclass of: oceanic pelagic zone biome
IAO_0000115: The oceanic sea surface microlayer (SML) biome comprises the top 1000 micrometers of the marine surface waters occurring offshore, away from a continental shelf. It is the boundary layer where all exchange occurs between the atmosphere and the ocean. The chemical, physical, and biological properties of the SML differ greatly from the sub-surface water just a few centimeters beneath.

neritic sea surface microlayer biome
type: Class
subclass of: neritic pelagic zone biome
IAO_0000115: The neritic sea surface microlayer (SML) biome comprises the top 1000 micrometers of marine surface waters occurring above a continental shelf. It is the boundary layer where all exchange occurs between the atmosphere and the ocean. The chemical, physical, and biological properties of the SML differ greatly from the sub-surface water just a few centimeters beneath.

marine pelagic feature
type: Class
equivalent class: Class
  intersection of: astronomical body part
  intersection of: Class
    union of: Restriction
      on property: part of
      some values from: marine water body
    union of: Restriction
      on property: composed primarily of
      some values from: sea water
subclass of: hydrographic feature
IAO_0000115: A prominent or distinctive aspect, quality, or characteristic of environments occurring within the marine water column.

ocean biome
type: Class
equivalent class: Class
  intersection of: biome
  intersection of: Restriction
    on property: determined by
    some values from: ocean
subclass of: marine biome
subclass of: Restriction
  on property: determined by
  some values from: ocean
IAO_0000115: A marine biome which is determined by an ocean.

particulate matter
type: Class
subclass of: environmental material
subclass of: Class
  intersection of: Restriction
    on property: surrounded by
    some values from: Class
      union of: gaseous environmental material
      union of: liquid environmental material
  intersection of: Restriction
    on property: composed primarily of
    some values from: Class
      union of: solid environmental material
      union of: liquid environmental material
IAO_0000115: Particulate material is an environmental material which is composed of microscopic portions of solid or liquid material suspended in another environmental material.

organic material
type: Class
equivalent class: Class
  intersection of: environmental material
  intersection of: Restriction
    on property: composed primarily of
    some values from: biomacromolecule
subclass of: environmental material
subclass of: Restriction
  on property: composed primarily of
  some values from: biomacromolecule
IAO_0000115: Environmental material derived from living organisms and composed primarily of one or more biomacromolecules.
has exact synonym: biomass

shrubland biome
type: Class
subclass of: terrestrial biome
IAO_0000115: A shrubland biome is a terrestrial biome which includes, across its entire spatial extent, dense groups of shrubs.

desert biome
type: Class
equivalent class: Class
  intersection of: desert ecosystem
  intersection of: Restriction
    on property: determined by
    some values from: ecological community
subclass of: desert ecosystem
subclass of: Restriction
  on property: overlaps
  some values from: desert area
subclass of: Restriction
  on property: determined by
  some values from: ecological community
IAO_0000115: A desert biome is a terrestrial biome which loses more liquid water by evapotranspiration than is supplied by precipitation and includes communities adapted to these conditions.

environmental condition
type: Class
subclass of: physical quality
IAO_0000115: An environmental condition is a range of a determinate quality or combination of qualities that are present in an environmental system.

montane shrubland biome
type: Class
subclass of: shrubland biome
subclass of: montane biome
IAO_0000115: A montane shrubland biome is a shrubland biome which occurs in regions elevated above sea level and which has community structure determined by elevation-dependent environmental conditions.

anthropogenic terrestrial biome
type: Class
equivalent class: Class
  intersection of: terrestrial biome
  intersection of: Restriction
    on property: formed as result of
    some values from: anthropisation
subclass of: terrestrial biome
subclass of: Restriction
  on property: formed as result of
  some values from: anthropisation
IAO_0000115: An anthropogenic terrestrial biome is a terrestrial biome which has community structures determined by human activity.
has exact synonym: anthrome
has exact synonym: human biome

arid
type: Class
subclass of: environmental condition
IAO_0000115: An environmental condition in which annual precipitation is less than half of annual potential evapotranspiration.

lava
type: Class
subclass of: environmental material
subclass of: Restriction
  on property: partially_surrounded_by
  some values from: Class
    union of: water body
    union of: atmosphere
subclass of: Restriction
  on property: has quality
  some values from: increased temperature
subclass of: Restriction
  on property: derives from
  some values from: magma
subclass of: Restriction
  on property: composed primarily of
  some values from: Class
    intersection of: environmental material
    intersection of: Restriction
      on property: has quality
      some values from: quality of a liquid
IAO_0000115: Lava is a mixture of molten or semi-molten rock, volatiles, and solids which has extruded beyond a planetary crust.

desert scrubland
type: Class
equivalent class: Class
  intersection of: scrubland area
  intersection of: Restriction
    on property: has quality
    some values from: arid
  intersection of: Restriction
    on property: overlaps
    some values from: desert area
subclass of: scrubland area
subclass of: Restriction
  on property: has quality
  some values from: arid
subclass of: Restriction
  on property: overlaps
  some values from: desert area
IAO_0000115: A scrubland which is located in a desert.
has exact synonym: desert scrub

dense settlement biome
type: Class
subclass of: anthropogenic terrestrial biome
IAO_0000115: A dense settlement biome is an anthropogenic terrestrial biome which is primarily used for human habitation, recreation, and industry within built structures with little other land use.

environmental system
type: Class
subclass of: system
IAO_0000115: A system which has the disposition to environ one or more material entities.
has exact synonym: environment

mineral material
type: Class
equivalent class: Class
  intersection of: environmental material
  intersection of: Restriction
    on property: composed primarily of
    some values from: mineral
subclass of: solid environmental material
subclass of: Restriction
  on property: composed primarily of
  some values from: mineral
IAO_0000115: A mineral material is an environmental material which is primarily composed of some substance that is naturally occurring, solid and stable at room temperature, representable by a chemical formula, usually abiogenic, and that has an ordered atomic structure.

water vapour
type: Class
subclass of: gaseous environmental material
subclass of: Restriction
  on property: composed primarily of
  some values from: water
IAO_0000115: Water vapour is a vapour which is the gas phase of water.
has exact synonym: aqueous vapor
has exact synonym: aqueous vapour
has exact synonym: water vapor

atmosphere
type: Class
subclass of: fluid layer
subclass of: Restriction
  on property: adjacent to
  some values from: astronomical body
subclass of: Restriction
  on property: composed primarily of
  some values from: Class
    intersection of: environmental material
    intersection of: Restriction
      on property: has quality
      some values from: quality of a gas
IAO_0000115: An atmosphere is a layer of gases surrounding a material body of sufficient mass that is held in place by the gravity of the body.

atmospheric water vapour
type: Class
equivalent class: Class
  intersection of: water vapour
  intersection of: Restriction
    on property: part of
    some values from: atmosphere
subclass of: water vapour
subclass of: Restriction
  on property: part of
  some values from: atmosphere
subclass of: Restriction
  on property: has role
  some values from: greenhouse gas
IAO_0000115: Atmospheric water vapour is water vapour that is part of an atmosphere.
has exact synonym: atmospheric water vapor

clastic sedimentary rock
type: Class
subclass of: sedimentary rock
IAO_0000115: Clastic sedimentary rocks are sedimentary rocks that are composed of silicate minerals and rock fragments that were transported by moving fluids. Clastic rocks are composed largely of quartz, feldspar, rock (lithic) fragments, clay minerals, and mica; numerous other minerals may be present as accessories and may be important locally.

slate
type: Class
subclass of: metamorphic rock
subclass of: Restriction
  on property: derives from
  some values from: clastic sedimentary rock
IAO_0000115: Slate is a metamorphic rock which is fine-grained, foliated, homogeneous, Slates are derived from clastic sedimentary rocks.

ecoregion
type: Class
subclass of: ecosystem
subclass of: Restriction
  on property: part of
  some values from: ecozone
IAO_0000115: A large unit of land or water containing a geographically distinct assemblage of species, natural communities, and environmental conditions.

water ice
type: Class
equivalent class: Class
  intersection of: ice
  intersection of: Restriction
    on property: composed primarily of
    some values from: liquid water
subclass of: solid environmental material
subclass of: ice
subclass of: Restriction
  on property: formed as result of
  some values from: Class
    union of: freezing of water into water ice
    union of: compaction process
    union of: desublimation of water vapour into ice
subclass of: Restriction
  on property: composed primarily of
  some values from: liquid water
IAO_0000115: Ice which is formed from water.
has related synonym: ice

ecozone
type: Class
subclass of: ecosystem
subclass of: Restriction
  on property: part of
  some values from: biosphere
IAO_0000115: Ecozones delineate large areas of a planetary surface within which organisms have been evolving in relative isolation over long periods of time, separated from one another by geographic features, such as oceans, broad deserts, or high mountain ranges, that constitute barriers to migration.

layer
type: Class
subclass of: material entity
subclass of: Restriction
  on property: has quality
  some values from: laminar
IAO_0000115: A layer is a quantity of some material which is spatially continuous, has comparable thickness, and usually covers some surface.

lake layer
type: Class
equivalent class: Class
  intersection of: aquatic layer
  intersection of: Restriction
    on property: part of
    some values from: lake
subclass of: aquatic layer
subclass of: Restriction
  on property: part of
  some values from: lake
IAO_0000115: A layer which is part of a lake.

ice mass
type: Class
equivalent class: Class
  intersection of: mass of solid material
  intersection of: Restriction
    on property: composed primarily of
    some values from: water ice
subclass of: glacial feature
subclass of: mass of solid material
subclass of: Restriction
  on property: part of
  some values from: cryosphere
subclass of: Restriction
  on property: composed primarily of
  some values from: water ice
IAO_0000115: A mass of water ice.
has broad synonym: accumulation of ice
has broad synonym: ice accumulation

marine layer
type: Class
equivalent class: Class
  intersection of: aquatic layer
  intersection of: Restriction
    on property: part of
    some values from: Class
      union of: ocean
      union of: sea
subclass of: aquatic layer
subclass of: Restriction
  on property: part of
  some values from: marine water body
subclass of: Restriction
  on property: part of
  some values from: Class
    union of: ocean
    union of: sea
subclass of: Restriction
  on property: composed primarily of
  some values from: sea water
IAO_0000115: A layer that is part of a marine water body.

endolithic environment
type: Class
equivalent class: Class
  intersection of: environmental system
  intersection of: Restriction
    on property: surrounded by
    some values from: rock
subclass of: environmental system
subclass of: Restriction
  on property: surrounded by
  some values from: rock
IAO_0000115: An endolithic environment is an environment that exists within solid rock.

high pressure environment
type: Class
equivalent class: Class
  intersection of: environmental system determined by a quality
  intersection of: Restriction
    on property: has quality
    some values from: increased pressure
subclass of: environmental system determined by a quality
subclass of: Restriction
  on property: has quality
  some values from: increased pressure
IAO_0000115: A high pressure environment is an environment in which all material entities are exposed to a high ratio of force per unit area.

high temperature environment
type: Class
equivalent class: Class
  intersection of: environmental system determined by a quality
  intersection of: Restriction
    on property: has quality
    some values from: increased temperature
subclass of: environmental system determined by a quality
subclass of: Restriction
  on property: has quality
  some values from: increased temperature
IAO_0000115: A high temperature environment is an environment in which material entities are exposed to increased levels of heat radiation or which have molecules or atoms moving randomly with increased levels of average kinietic energy.

saline water environment
type: Class
equivalent class: Class
  intersection of: aquatic environment
  intersection of: Restriction
    on property: determined by
    some values from: saline water
subclass of: aquatic environment
subclass of: saline environment
subclass of: Restriction
  on property: determined by
  some values from: saline water
IAO_0000115: An environmental system which has its properties and dynamics determined by saline water.

cold environment
type: Class
equivalent class: Class
  intersection of: environmental system
  intersection of: Restriction
    on property: has quality
    some values from: decreased temperature
subclass of: environmental system
subclass of: Restriction
  on property: has quality
  some values from: decreased temperature
IAO_0000115: An environment which has a lower temperature than some local or global average.

anthropogenic environment
type: Class
equivalent class: Class
  intersection of: environmental system
  intersection of: Restriction
    on property: determined by
    some values from: Restriction
      on property: output of
      some values from: anthropisation
subclass of: environmental system
subclass of: Restriction
  on property: determined by
  some values from: Restriction
    on property: output of
    some values from: anthropisation
IAO_0000115: An anthropogenic environment is an environmental system which is the product of human activity.

high osmolarity environment
type: Class
equivalent class: Class
  intersection of: environmental system determined by a quality
  intersection of: Restriction
    on property: has quality
    some values from: increased osmolarity
subclass of: environmental system determined by a quality
subclass of: Restriction
  on property: has quality
  some values from: increased osmolarity
IAO_0000115: A high osmolarity environment is an environment in which entities are exposed to high concentrations of solutes.

aquatic environment
type: Class
equivalent class: Class
  intersection of: environmental system
  intersection of: Restriction
    on property: determined by
    some values from: liquid water
subclass of: environmental system determined by a quality
subclass of: environmental system determined by a material
subclass of: Restriction
  on property: determined by
  some values from: liquid water
IAO_0000115: An environment whose dynamics are strongly influenced by water.

rocky slope
type: Class
equivalent class: Class
  intersection of: slope
  intersection of: Restriction
    on property: has part
    some values from: Class
      intersection of: surface layer
      intersection of: Restriction
        on property: composed primarily of
        some values from: rock
subclass of: slope
subclass of: Restriction
  on property: has part
  some values from: Class
    intersection of: surface layer
    intersection of: Restriction
      on property: composed primarily of
      some values from: rock
IAO_0000115: A rocky slope is a slope which has a surface primarily composed of rock.

marine environment
type: Class
equivalent class: Class
  intersection of: environmental system
  intersection of: Restriction
    on property: determined by
    some values from: marine water body
subclass of: environmental system
subclass of: Restriction
  on property: determined by
  some values from: marine water body
IAO_0000115: A marine environment and enviroment which is determined by a marine water body.

sea water environment
type: Class
equivalent class: Class
  intersection of: saline water environment
  intersection of: Restriction
    on property: determined by
    some values from: sea water
subclass of: saline water environment
subclass of: Restriction
  on property: determined by
  some values from: sea water
IAO_0000115: An environmental system determined by seawater.
has exact synonym: ocean water environment

atmospheric boundary layer
type: Class
equivalent class: Class
  intersection of: Class
    intersection of: boundary layer
    intersection of: Restriction
      on property: part of
      some values from: atmosphere
    intersection of: Restriction
      on property: adjacent to
      some values from: planetary surface
  intersection of: Restriction
    on property: bounding layer of
    some values from: atmosphere
subclass of: atmospheric layer
subclass of: boundary layer
subclass of: Restriction
  on property: bounding layer of
  some values from: atmosphere
subclass of: Restriction
  on property: adjacent to
  some values from: planetary surface
IAO_0000115: The atmospheric boundary layer is the lowest layer of an atmosphere which is strongly influenced by its contact with a planetary surface with strong vertical mixing and in which physical quantities such as flow velocity, temperature, and moisture display rapid fluctuations (turbulence).
has exact synonym: planetary boundary layer

planetary surface
type: Class
equivalent class: Class
  intersection of: surface of an astronomical body
  intersection of: Restriction
    on property: part of
    some values from: planet
subclass of: surface of an astronomical body
subclass of: Restriction
  on property: part of
  some values from: planet
IAO_0000115: A planetary surface is a surface layer where the solid or liquid material of a planet comes into contact with an atmosphere or outer space.

aquatic layer
type: Class
equivalent class: Class
  intersection of: liquid layer
  intersection of: Restriction
    on property: composed primarily of
    some values from: liquid water
subclass of: liquid layer
subclass of: Restriction
  on property: composed primarily of
  some values from: liquid water
IAO_0000115: A layer in a water mass, itself composed primarily of water.

talus slope
type: Class
equivalent class: Class
  intersection of: slope
  intersection of: Restriction
    on property: has part
    some values from: Class
      intersection of: surface layer
      intersection of: Restriction
        on property: composed primarily of
        some values from: scree
subclass of: slope
subclass of: Restriction
  on property: has part
  some values from: Class
    intersection of: surface layer
    intersection of: Restriction
      on property: composed primarily of
      some values from: scree
IAO_0000115: A talus slope is a slope which has a surface layer composed of scree.
has exact synonym: scree slope

alpine
type: Class
subclass of: altitudinal condition
IAO_0000115: An altitudinal condition which inheres in a bearer by virtue of the bearer having a monthly mean temperature is less than 10 degrees Celsius and being located at altitudes above the tree line and below the snowline.

montane
type: Class
subclass of: altitudinal condition
IAO_0000115: An altitudinal condition which inheres in a bearer by virtue of the bearer being located at an altitude between mid-altitude forests and the tree line.

altitudinal condition
type: Class
subclass of: environmental condition
IAO_0000115: An altitudinal condition is an environmental condition in which ranges of factors such as temperature, humidity, soil composition, solar irradiation, and tree density vary with ranges in altitude.

vegetation layer
type: Class
equivalent class: Class
  intersection of: layer
  intersection of: Restriction
    on property: composed primarily of
    some values from: Viridiplantae
subclass of: layer
subclass of: Restriction
  on property: part of
  some values from: Class
    intersection of: ecosystem
    intersection of: Restriction
      on property: has part
      some values from: Class
        intersection of: ecological community
        intersection of: Restriction
subclass of: Restriction
  on property: composed primarily of
  some values from: Viridiplantae
IAO_0000115: A layer which is determined by a form of vegetation.
has related synonym: forest layer
has related synonym: forest stratum
has related synonym: woodland layer
has related synonym: woodland stratum

snow
type: Class
subclass of: glacial feature
subclass of: environmental material
subclass of: Restriction
  on property: has part
  some values from: air
subclass of: Restriction
  on property: output of
  some values from: snowfall
subclass of: Restriction
  on property: composed primarily of
  some values from: water ice
subclass of: Restriction
  on property: composed primarily of
  some values from: Class
    intersection of: object aggregate
    intersection of: Restriction
      on property: has member
      some values from: snow crystal
IAO_0000115: Snow is an environmental material which is primarily composed of flakes of crystalline water ice.

environmental zone
type: Class
subclass of: site
subclass of: Restriction
  on property: part of
  some values from: environmental system
IAO_0000115: A site which has its extent determined by the presence or influence of one or more components of an environmental system or the processes occurring therein.
has related synonym: environmental area

building part
type: Class
subclass of: human construction
subclass of: Restriction
  on property: part of
  some values from: building
IAO_0000115: A building part is a construction which is part of a building.

montane forest
type: Class
equivalent class: Class
  intersection of: forest ecosystem
  intersection of: Restriction
    on property: has quality
    some values from: Class
      union of: alpine
      union of: montane
subclass of: forest ecosystem
subclass of: Restriction
  on property: has quality
  some values from: Class
    union of: alpine
    union of: montane

environmental disposition
type: Class
subclass of: disposition
IAO_0000115: A disposition which is realised by an environmental system or system parts thereof.

atmospheric layer
type: Class
equivalent class: Class
  intersection of: fluid layer
  intersection of: Restriction
    on property: part of
    some values from: atmosphere
subclass of: fluid layer
subclass of: Restriction
  on property: part of
  some values from: atmosphere
subclass of: Restriction
  on property: composed primarily of
  some values from: gaseous environmental material
IAO_0000115: A layer that is part of the atmosphere.
has related synonym: atmospheric layering

boundary layer
type: Class
subclass of: fluid interface layer
subclass of: Restriction
  on property: bounding layer of
  some values from: Class
    intersection of: material entity
    intersection of: Restriction
      on property: part of
      some values from: environmental system
subclass of: Restriction
  on property: adjacent to
  some values from: surface layer
IAO_0000115: A boundary layer is a layer of fluid in the immediate vicinity of a bounding surface where the effects of viscosity are significant enough to distort the surrounding non-viscous flow.
has exact synonym: boundary layer

hydrocarbon gas
type: Class
equivalent class: Class
  intersection of: gaseous environmental material
  intersection of: Restriction
    on property: has quality
    some values from: quality of a gas
  intersection of: Restriction
    on property: composed primarily of
    some values from: hydrocarbon
subclass of: gaseous environmental material
subclass of: hydrocarbon-based environmental material
IAO_0000115: A gas that is primarily composed of hydrocarbon molecules.

lentic water body
type: Class
subclass of: water body
IAO_0000115: A lentic water body is a water body in which the accumulated water, in its totality, has very little to no directed flow.

hydrological condensation process
type: Class
subclass of: condensation process
subclass of: hydrological process
subclass of: Restriction
  on property: has input
  some values from: atmospheric water vapour
subclass of: Restriction
  on property: has output
  some values from: liquid water
IAO_0000115: Hydrological condensation is a process in which atmospheric water vapour undergoes a phase transition from the gas phase to the liquid phase.
has broad synonym: condensation

planetary landmass
type: Class
subclass of: planetary surface
subclass of: landmass
subclass of: Restriction
  on property: surrounded by
  some values from: Class
    complement of: Class
      intersection of: environmental material
      intersection of: Restriction
        on property: has quality
        some values from: quality of a liquid
IAO_0000115: A landmass which is part of a planet.
has broad synonym: land
has related synonym: ground

outer space
type: Class
subclass of: environmental material
IAO_0000115: Outer space is a hard vacuum containing a low density of particles, predominantly a plasma of hydrogen and helium as well as electromagnetic radiation, magnetic fields, neutrinos, dust and cosmic rays that exists between celestial bodies.
has broad synonym: space

planetary crust
type: Class
subclass of: planetary structural layer
subclass of: Restriction
  on property: has quality
  some values from: quality of a solid
IAO_0000115: A planetary crust is the outermost solid shell of a rocky planet or natural satellite, which is chemically distinct from the underlying mantle.
has broad synonym: crust

planetary structural layer
type: Class
subclass of: layer
subclass of: Restriction
  on property: part of
  some values from: planet
IAO_0000115: A planetary structural layer is laminar part of a terrestrial planet or other rocky body large enough to have differentiation by density. Planetary layers have differing physicochemical properties and composition.

planetary mantle
type: Class
subclass of: planetary structural layer
subclass of: Restriction
  on property: adjacent to
  some values from: planetary crust
IAO_0000115: A planetary mantle is a planetary layer which is an interior part of a terrestrial planet or other rocky body large enough to have differentiation by density.
has broad synonym: mantle

lithosphere
type: Class
subclass of: planetary structural layer
subclass of: solid layer
subclass of: Restriction
  on property: has part
  some values from: planetary crust
subclass of: Restriction
  on property: has part
  some values from: Restriction
    on property: part of
    some values from: Class
      intersection of: planetary mantle
      intersection of: Restriction
        on property: has quality
        some values from: quality of a solid
subclass of: Restriction
  on property: has quality
  some values from: inflexible
IAO_0000115: A lithosphere is the outermost shell of a terrestrial-type planet or natural satellite that is defined by its rigid mechanical properties.

magma
type: Class
subclass of: environmental material
subclass of: Restriction
  on property: has quality
  some values from: increased temperature
subclass of: Restriction
  on property: located in
  some values from: planetary structural layer
subclass of: Restriction
  on property: composed primarily of
  some values from: Class
    intersection of: environmental material
    intersection of: Restriction
      on property: has quality
      some values from: quality of a liquid
IAO_0000115: Magma is a mixture of molten or semi-molten rock, volatiles, and solids that is found beneath the uppermost solid layer of a planetary body. Besides molten rock, magma may also contain suspended crystals, dissolved gas and sometimes gas bubbles.

waste role
type: Class
subclass of: role
IAO_0000115: A role that is realized in some process wherein the bearer is discarded or not utilized further.

contaminated air
type: Class
equivalent class: Class
  intersection of: air
  intersection of: Restriction
    on property: has increased levels of
    some values from: Class
      intersection of: chemical entity
      intersection of: Restriction
        on property: has role
        some values from: environmental contaminant
subclass of: air
subclass of: Restriction
  on property: has increased levels of
  some values from: Class
    intersection of: chemical entity
    intersection of: Restriction
      on property: has role
      some values from: environmental contaminant
IAO_0000115: Contaminated air is air which has sufficient concentrations of environmental pollutants such that it may adversely affect a given ecosystem.

polluted lake
type: Class
equivalent class: Class
  intersection of: lake
  intersection of: Restriction
    on property: composed primarily of
    some values from: contaminated water
subclass of: lake
subclass of: Restriction
  on property: composed primarily of
  some values from: contaminated water
IAO_0000115: A lake which has concentrations of environmental contaminants high enough to harm the ecosystems associated with it.

water mass
type: Class
subclass of: body of liquid
subclass of: Restriction
  on property: composed primarily of
  some values from: liquid water
IAO_0000115: A mass of water.

coast
type: Class
equivalent class: Class
  intersection of: compound astronomical body part
  intersection of: Restriction
    on property: overlaps
    some values from: planetary landmass
  intersection of: Restriction
    on property: overlaps
    some values from: Class
      union of: ocean
      union of: sea
      union of: lake
subclass of: fluid astronomical body part
subclass of: compound astronomical body part
subclass of: Restriction
  on property: overlaps
  some values from: planetary landmass
subclass of: Restriction
  on property: overlaps
  some values from: Class
    union of: ocean
    union of: sea
    union of: lake
IAO_0000115: A coast is the area where land meets the sea, ocean, or lake.

hydrological precipitation process
type: Class
subclass of: precipitation process
subclass of: Restriction
  on property: has input
  some values from: Class
    intersection of: Class
      intersection of: environmental material
      intersection of: Restriction
        on property: composed primarily of
        some values from: liquid water
    intersection of: Restriction
      on property: output of
      some values from: hydrological condensation process
IAO_0000115: Hydrological precipitation is a process during which any product of the condensation of atmospheric water vapour is pulled to the planetary surface by gravity.
has broad synonym: precipitation

condensation process
type: Class
subclass of: material congelation process
subclass of: Restriction
  on property: has input
  some values from: Class
    intersection of: environmental material
    intersection of: Restriction
      on property: has quality
      some values from: quality of a gas
IAO_0000115: Condensation is a process during which a gas undergoes a phase transition into a liquid.

desublimation process
type: Class
subclass of: material congelation process
subclass of: Restriction
  on property: has input
  some values from: Class
    intersection of: environmental material
    intersection of: Restriction
      on property: has quality
      some values from: quality of a gas
subclass of: Restriction
  on property: has output
  some values from: Class
    intersection of: environmental material
    intersection of: Restriction
      on property: has quality
      some values from: quality of a solid
IAO_0000115: Desublimation is a process in which a portion of some gas undergoes a phase transition into a portion of some solid.
has broad synonym: deposition

habitat
type: Class
subclass of: ecosystem
subclass of: Restriction
  on property: part of
  some values from: biosphere
subclass of: Restriction
  on property: determined by
  some values from: population of organisms
IAO_0000115: An environmental system which can sustain and allow the growth of an ecological population.

land consumption process
type: Class
subclass of: anthropisation
subclass of: Restriction
  on property: has part
  some values from: Class
    union of: land conversion process
    union of: land degradation
subclass of: Restriction
  on property: has participant
  some values from: planetary landmass
IAO_0000115: A process in which natural ecosystems present over an expanse of land are removed and replaced with anthropogenic ecosystems.

area of barren land
type: Class
subclass of: terrestrial environmental zone
subclass of: Restriction
  on property: adjacent to
  some values from: atmospheric boundary layer
IAO_0000115: An area of a planet's surface which is primarily composed of bedrock, desert pavement, scarp rock, talus, material exposed by slides, volcanic material, glacial debris, sand, material exposed during strip mining, gravel, and other accumulations of earthen material in contact with an atmospheric column extending from the planetary boundary layer to the planet's exosphere with little to no physical obstruction.

aeroform
type: Class
equivalent class: Class
  intersection of: gaseous astronomical body part
  intersection of: Restriction
    on property: located in
    some values from: atmosphere
  intersection of: Restriction
    on property: composed primarily of
    some values from: Class
      union of: air
      union of: aerosol
subclass of: gaseous astronomical body part
subclass of: Restriction
  on property: located in
  some values from: atmosphere
subclass of: Restriction
  on property: composed primarily of
  some values from: Class
    union of: air
    union of: aerosol
IAO_0000115: A part of an astronomical body which is primarily composed of a continuous volume of gaseous or aerosolised material held in shape by one or more environmental processes.

gaseous environmental material
type: Class
equivalent class: Class
  intersection of: environmental material
  intersection of: Restriction
    on property: has quality
    some values from: quality of a gas
subclass of: fluid environmental material
subclass of: Restriction
  on property: has quality
  some values from: quality of a gas
IAO_0000115: A material entity which is composed of one or more chemical entities and has neither independent shape nor volume but tends to expand indefinitely.
has narrow synonym: gas

plasma
type: Class
subclass of: fluid environmental material
IAO_0000115: A material entity which is composed of a volume of unbound positive and negative particles in roughly equal numbers, conducts electricity, and possesses internal magnetic fields.

astronomical body
type: Class
subclass of: astronomical object
IAO_0000115: An object which is naturally occuring, bound together by gravitational or electromagnetic forces, and surrounded by space.
has related synonym: celestial body

planet
type: Class
subclass of: astronomical body
IAO_0000115: A planet is an astronomical body orbiting a star or stellar remnant that is massive enough to be rounded by its own gravity, is not massive enough to cause thermonuclear fusion, and has cleared its neighbouring region of planetesimals.

star
type: Class
subclass of: astronomical body
subclass of: mass of environmental material
subclass of: Restriction
  on property: composed primarily of
  some values from: plasma
IAO_0000115: An astronomical object which is composed primarily of luminous plasma held in a spherical form by gravitational forces.

astronomical object
type: Class
subclass of: object
subclass of: Restriction
  on property: has part
  some values from: astronomical body
subclass of: Restriction
  on property: has quality
  some values from: geodiversity
subclass of: Restriction
  on property: surrounded by
  some values from: outer space
IAO_0000115: An object which is composed of one or more gravitationally bound structures that are associated with a position in space.
has related synonym: celestial object

astronomical body part
type: Class
subclass of: fiat object
subclass of: Restriction
  on property: part of
  some values from: astronomical body
IAO_0000115: A material part of an astronomical body.

solid environmental material
type: Class
equivalent class: Class
  intersection of: environmental material
  intersection of: Restriction
    on property: has quality
    some values from: quality of a solid
subclass of: environmental material
subclass of: Restriction
  on property: has quality
  some values from: quality of a solid
IAO_0000115: An environmental material which is in a solid state.

liquid environmental material
type: Class
equivalent class: Class
  intersection of: environmental material
  intersection of: Restriction
    on property: has quality
    some values from: quality of a liquid
subclass of: fluid environmental material
subclass of: Restriction
  on property: has quality
  some values from: quality of a liquid
IAO_0000115: An environmental material which is in a liquid state.

biosphere
type: Class
subclass of: fluid astronomical body part
subclass of: compound astronomical body part
subclass of: Restriction
  on property: has part
  some values from: collection of organisms
IAO_0000115: A biosphere is a part of an astronomical body which includes, as parts, all the living entities within the gravitational sphere of influence of that body, as well as the non-living and dead entities with which they interact.

cryosphere
type: Class
subclass of: glacial feature
subclass of: cryoform
subclass of: Restriction
  on property: composed primarily of
  some values from: water ice
IAO_0000115: A cryosphere is that part of a planet which is primarily composed of water is in solid form.

hydrosphere
type: Class
subclass of: liquid astronomical body part
subclass of: Restriction
  on property: composed primarily of
  some values from: liquid water
IAO_0000115: An astronomical body part which is composed of the combined mass of water found on, under, and over the surface of a planet.

pedosphere
type: Class
subclass of: fluid astronomical body part
subclass of: compound astronomical body part
subclass of: Restriction
  on property: overlaps
  some values from: atmosphere
subclass of: Restriction
  on property: overlaps
  some values from: lithosphere
subclass of: Restriction
  on property: overlaps
  some values from: biosphere
subclass of: Restriction
  on property: overlaps
  some values from: hydrosphere
subclass of: Restriction
  on property: composed primarily of
  some values from: soil
IAO_0000115: An astronomical body part which is composed of soil, subject to soil formation processes, and found on the surface of a lithosphere.

crystal
type: Class
subclass of: solid environmental material
subclass of: Restriction
  on property: has quality
  some values from: structured
IAO_0000115: A solid material whose constituents, such as atoms, molecules or ions, are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions.

water ice crystal
type: Class
subclass of: glacial feature
subclass of: crystal
subclass of: Restriction
  on property: composed primarily of
  some values from: water ice
IAO_0000115: A crystal which is primarily composed of water ice.
has broad synonym: ice crystal

area of scrub
type: Class
subclass of: bush area
subclass of: Restriction
  on property: part of
  some values from: scrubland area
subclass of: Restriction
  on property: adjacent to
  some values from: atmospheric boundary layer
IAO_0000115: An area of a planet's surface which is primarily covered by a shrubs, young trees, or stunted trees.. The surfaces of this area are in contact with an atmospheric column extending from the planetary boundary layer to the planet's exosphere with little to no physical obstruction.
has exact synonym: area of shrub

precipitation process
type: Class
subclass of: material transport process
IAO_0000115: A precipitation process is a process in which a portion of some substance segregates from a material in which that substance or its precursors were dissolved or suspended in and settles due to a force such as gravity or centrifugal force.

area of developed open space
type: Class
subclass of: anthropised terrestrial environmental zone
subclass of: Restriction
  on property: part of
  some values from: dense settlement biome
subclass of: Restriction
  on property: adjacent to
  some values from: atmospheric boundary layer
IAO_0000115: An area of a planet's surface which is primarily covered by cultivated or anthropically maintained vegetation planted for recreation, erosion control, or aesthetic purposes interspersed by constructed or manufactured objects and materials. This area is in contact with an atmospheric column extending from the planetary boundary layer to the planet's exosphere with little to no physical obstruction.

area of sedge- and forb-dominated herbaceous vegetation
type: Class
subclass of: vegetated area
subclass of: Restriction
  on property: adjacent to
  some values from: atmospheric boundary layer
IAO_0000115: An area of a planet's surface which is primarily covered by sedges or forbs, possibly interpersed with grasses or grass-like plants. This area is in contact with an atmospheric column extending from the planetary boundary layer to the planet's exosphere with little to no physical obstruction.

area of gramanoid or herbaceous vegetation
type: Class
subclass of: grassland area
subclass of: Restriction
  on property: adjacent to
  some values from: atmospheric boundary layer
IAO_0000115: An area of a planet's surface which is primarily covered by gramanoid or herbaceous vegetation and which is not subject to intensive management by humans. This area is in contact with an atmospheric column extending from the planetary boundary layer to the planet's exosphere with little to no physical obstruction.

snowfall
type: Class
subclass of: hydrological precipitation process
subclass of: Restriction
  on property: has participant
  some values from: snow
IAO_0000115: A hydrological process in which irregular aggregates of snow fall to a planetary surface.
has exact synonym: snow fall

natural environment
type: Class
equivalent class: Class
  intersection of: environmental system
  intersection of: Class
    complement of: Restriction
      on property: contains process
      some values from: anthropisation
  intersection of: Class
    complement of: Restriction
      on property: formed as result of
      some values from: anthropisation
subclass of: environmental system
IAO_0000115: An environmental system in which minimal to no anthropisation has occurred and non-human agents are the primary determinants of the system's dynamics and composition.

anthropisation
type: Class
equivalent class: Class
  intersection of: anthropogenic ecosystem conversion process
  intersection of: Restriction
    on property: has input
    some values from: natural environment
  intersection of: Restriction
    on property: has output
    some values from: anthropogenic environment
subclass of: anthropogenic ecosystem conversion process
subclass of: Restriction
  on property: has input
  some values from: natural environment
subclass of: Restriction
  on property: has output
  some values from: anthropogenic environment
IAO_0000115: A process during which a natural environmental system is altered by human action.
has exact synonym: anthropization

terrestrial planet
type: Class
equivalent class: Class
  intersection of: planet
  intersection of: Restriction
    on property: composed primarily of
    some values from: Class
      union of: rock
      union of: metallic material
subclass of: planet
subclass of: Restriction
  on property: composed primarily of
  some values from: Class
    union of: rock
    union of: metallic material
IAO_0000115: A planet that is composed primarily of silicate rocks or metals.
has exact synonym: rocky planet
has exact synonym: telluric planet
has related synonym: Earth-like planet

mass liquid flow
type: Class
subclass of: mass fluid flow
subclass of: Restriction
  on property: has participant
  some values from: liquid environmental material
IAO_0000115: A process whereby a volume of liquid moves due to a disequilibrium of physical forces.

water flow process
type: Class
subclass of: mass liquid flow
subclass of: hydrological process
subclass of: Restriction
  on property: has participant
  some values from: liquid water
IAO_0000115: A process during which a volume of water is transported due to a disequilibria in physical forces.

technosphere
type: Class
subclass of: astronomical body part
subclass of: Restriction
  on property: has part
  some values from: human construction
subclass of: Restriction
  on property: has part
  some values from: manufactured product
subclass of: Restriction
  on property: overlaps
  some values from: biosphere
IAO_0000115: A part of an astronomical body which includes, as parts, all the entities which have been constructed or manufactured by humans or their technology and which are within the gravitational sphere of influence of that body.

manufacturing process
type: Class
equivalent class: Class
  intersection of: planned process
  intersection of: Restriction
    on property: has output
    some values from: manufactured product
subclass of: planned process
subclass of: Restriction
  on property: has output
  some values from: manufactured product
subclass of: Restriction
  on property: process has causal agent
  some values from: Homo sapiens
IAO_0000115: A planned process during which raw or recycled materials are transformed into products for use or sale using labour and machines, tools, chemical and biological processing, or formulation.

human-directed construction process
type: Class
equivalent class: Class
  intersection of: planned process
  intersection of: Restriction
    on property: has output
    some values from: human construction
subclass of: planned process
subclass of: Restriction
  on property: has part
  some values from: material transport process
subclass of: Restriction
  on property: has part
  some values from: material transformation process
subclass of: Restriction
  on property: has output
  some values from: human construction
subclass of: Restriction
  on property: process has causal agent
  some values from: Homo sapiens
IAO_0000115: An process during which natural or manufactured materials and products are processed and arranged by humans or their technology into structures.

environmental system determined by a quality
type: Class
equivalent class: Class
  intersection of: environmental system
  intersection of: Restriction
    on property: determined by
    some values from: Class
      intersection of: entity
      intersection of: Restriction
        on property: has quality
        some values from: quality
subclass of: environmental system
subclass of: Restriction
  on property: determined by
  some values from: Class
    intersection of: entity
    intersection of: Restriction
      on property: has quality
      some values from: quality
IAO_0000115: An environmental system which is determined by materials bearing roughly homogeneous qualities.

environmental system determined by a material
type: Class
equivalent class: Class
  intersection of: environmental system
  intersection of: Restriction
    on property: determined by
    some values from: environmental material
subclass of: environmental system
subclass of: Restriction
  on property: determined by
  some values from: environmental material
IAO_0000115: An environmental system within which an environmental material strongly influences the system's composition and properties.

environmental system determined by an organism
type: Class
equivalent class: Class
  intersection of: environmental system
  intersection of: Restriction
    on property: determined by
    some values from: cellular organisms
subclass of: ecosystem
subclass of: Restriction
  on property: determined by
  some values from: cellular organisms
IAO_0000115: An environmental system which is determined by a living organism.
has related synonym: host-associated environment

plant-associated environment
type: Class
equivalent class: Class
  intersection of: environmental system
  intersection of: Restriction
    on property: determined by
    some values from: Viridiplantae
subclass of: environmental system determined by an organism
subclass of: Restriction
  on property: determined by
  some values from: Viridiplantae
IAO_0000115: An environmental system determined by a green plant.
has broad synonym: plant environment
has exact synonym: Viridiplantae-associated environment

animal-associated environment
type: Class
equivalent class: Class
  intersection of: environmental system
  intersection of: Restriction
    on property: determined by
    some values from: Metazoa
subclass of: environmental system determined by an organism
subclass of: Restriction
  on property: determined by
  some values from: Metazoa
IAO_0000115: An environmental system determined by an animal.
has broad synonym: animal environment
has exact synonym: Metazoan-associated environment

meteor
type: Class
equivalent class: Class
  intersection of: object
  intersection of: Restriction
    on property: located in
    some values from: atmosphere
subclass of: object
subclass of: Restriction
  on property: located in
  some values from: atmosphere
IAO_0000115: A meteor is any matter- or energy-based entity which is located in the atmosphere of an astronomical body.

hydrometeor
type: Class
equivalent class: Class
  intersection of: meteor
  intersection of: Restriction
    on property: composed primarily of
    some values from: Class
      union of: liquid water
      union of: water ice
subclass of: meteor
subclass of: Restriction
  on property: composed primarily of
  some values from: Class
    union of: liquid water
    union of: water ice
IAO_0000115: A meteor which is primarily composed of water.

lithometeor
type: Class
equivalent class: Class
  intersection of: meteor
  intersection of: Restriction
    on property: composed primarily of
    some values from: rock
subclass of: piece of rock
subclass of: meteor
subclass of: Restriction
  on property: derives from
  some values from: meteoroid
IAO_0000115: A meteor which is primarily composed of rock.

natural lake
type: Class
equivalent class: Class
  intersection of: lake
  intersection of: Class
    complement of: Restriction
      on property: formed as result of
      some values from: anthropisation
subclass of: lake
IAO_0000115: A lake which has formed as the result of processes that are not or are only minimally driven by human activity.

radiation
type: Class
subclass of: energy transfer process
subclass of: Restriction
  on property: has participant
  some values from: subatomic particle
subclass of: Restriction
  on property: has participant
  some values from: environmental material
IAO_0000115: A process during which energy is emitted or transmitted in the form of waves or particles through space or a material medium.

electromagnetic radiation
type: Class
subclass of: radiation
IAO_0000115: A radiation process during which waves (or their quanta, photons) of the electromagnetic field propagate (radiate) through space carrying electromagnetic energy.
has exact synonym: EM radiation

saline environment
type: Class
equivalent class: Class
  intersection of: environmental system determined by a quality
  intersection of: Restriction
    on property: determined by
    some values from: Class
      intersection of: environmental material
      intersection of: Class
        union of: Restriction
subclass of: high osmolarity environment
subclass of: environmental system determined by a material
subclass of: Restriction
  on property: determined by
  some values from: Class
    intersection of: environmental material
    intersection of: Class
      union of: Restriction
        on property: has quality
        some values from: increased osmolarity
      union of: Restriction
        on property: has increased levels of
        some values from: sodium chloride
IAO_0000115: An environment which is determined by materials which bear significant concentrations of salts.

soil environment
type: Class
equivalent class: Class
  intersection of: environmental system
  intersection of: Restriction
    on property: determined by
    some values from: soil
subclass of: environmental system determined by a quality
subclass of: environmental system determined by a material
subclass of: Restriction
  on property: determined by
  some values from: soil
IAO_0000115: An environmental system which has its properties and dynamics determined by soil.

sediment environment
type: Class
equivalent class: Class
  intersection of: environmental system
  intersection of: Restriction
    on property: determined by
    some values from: sediment
subclass of: environmental system determined by a quality
subclass of: environmental system determined by a material
subclass of: Restriction
  on property: determined by
  some values from: sediment
IAO_0000115: An environmental system which has its properties and dynamics determined by sediment.

aerosol environment
type: Class
equivalent class: Class
  intersection of: environmental system
  intersection of: Restriction
    on property: determined by
    some values from: aerosol
subclass of: environmental system determined by a quality
subclass of: environmental system determined by a material
subclass of: Restriction
  on property: determined by
  some values from: aerosol
IAO_0000115: An environmental system which has its properties and dynamics determined by an aerosol.

saline aerosol environment
type: Class
equivalent class: Class
  intersection of: aerosol environment
  intersection of: Restriction
    on property: determined by
    some values from: Class
      intersection of: aerosol
      intersection of: Restriction
        on property: has quality
        some values from: increased osmolarity
subclass of: saline environment
subclass of: aerosol environment
subclass of: Restriction
  on property: determined by
  some values from: Class
    intersection of: aerosol
    intersection of: Restriction
      on property: has quality
      some values from: increased osmolarity
IAO_0000115: An environmental system which has its properties and dynamics determined by a saline aerosol.

non-saline aerosol environment
type: Class
equivalent class: Class
  intersection of: aerosol environment
  intersection of: Restriction
    on property: determined by
    some values from: Class
      intersection of: aerosol
      intersection of: Class
        complement of: Class
subclass of: aerosol environment
subclass of: Restriction
  on property: determined by
  some values from: Class
    intersection of: aerosol
    intersection of: Class
      complement of: Class
        union of: Restriction
IAO_0000115: An environmental system which has its properties and dynamics determined by an aerosol with a low concentration of dissolved solutes.

environment associated with an animal part or small animal
type: Class
equivalent class: Class
  intersection of: ecosystem
  intersection of: Restriction
    on property: determined by
    some values from: material anatomical entity
subclass of: ecosystem
subclass of: Restriction
  on property: determined by
  some values from: material anatomical entity
IAO_0000115: An environmental system determined by part of a living or dead animal, or a whole small animal.

environment associated with a plant part or small plant
type: Class
equivalent class: Class
  intersection of: ecosystem
  intersection of: Restriction
    on property: determined by
    some values from: Class
      union of: plant anatomical entity
      union of: Class
        intersection of: whole plant
        intersection of: Restriction
subclass of: ecosystem
subclass of: Restriction
  on property: determined by
  some values from: Class
    union of: plant anatomical entity
    union of: Class
      intersection of: whole plant
      intersection of: Restriction
        on property: has quality
        some values from: decreased size
IAO_0000115: An environmental system determined by part of a living or dead plant, or a whole small plant.

meteoroid
type: Class
subclass of: astronomical body
subclass of: Restriction
  on property: has quality
  some values from: decreased size
subclass of: Restriction
  on property: composed primarily of
  some values from: Class
    union of: rock
    union of: metallic material
IAO_0000115: An astronomical body which is composed of rocky or metallic materials and is considerably smaller than asteroids.

metallic material
type: Class
subclass of: environmental material
subclass of: Restriction
  on property: has quality
  some values from: opaque
subclass of: Restriction
  on property: has quality
  some values from: Class
    union of: quality of a solid
    union of: quality of a liquid
subclass of: Restriction
  on property: has role
  some values from: electron donor
subclass of: Restriction
  on property: composed primarily of
  some values from: metal atom
IAO_0000115: A material which is composed primarily of one or more pure metals and which shows their properties.
has related synonym: metal

particulate matter formation process
type: Class
subclass of: material transformation process
subclass of: Restriction
  on property: has output
  some values from: particulate matter
IAO_0000115: A process during which microscopic solid or liquid objects are formed.
has related synonym: particle formation

atmospheric aerosol formation
type: Class
equivalent class: Class
  intersection of: aerosol formation process
  intersection of: Restriction
    on property: occurs in
    some values from: atmosphere
subclass of: aerosol formation process
subclass of: atmospheric process
IAO_0000115: An aerosol formation process which occurs in an atmosphere.
has exact synonym: atmospheric aerosol formation

formation of a solid aerosol in an atmosphere
type: Class
equivalent class: Class
  intersection of: atmospheric aerosol formation
  intersection of: Restriction
    on property: has output
    some values from: aerosolised solids
subclass of: atmospheric aerosol formation
subclass of: Restriction
  on property: has output
  some values from: aerosolised solids
IAO_0000115: A process during which an aerosol, consisting of solid particulates suspended in a gas, is formed in an atmosphere.
has related synonym: formation of solid particles in an atmosphere

formation of a liquid aerosol in an atmosphere
type: Class
equivalent class: Class
  intersection of: atmospheric aerosol formation
  intersection of: Restriction
    on property: has output
    some values from: aerosolised liquids
subclass of: atmospheric aerosol formation
subclass of: Restriction
  on property: has output
  some values from: aerosolised liquids
IAO_0000115: A process during which an aerosol, consisting of droplets of liquid suspended in gas, is formed in an atmosphere.
has related synonym: formation of liquid droplets in an atmosphere
has related synonym: formation of liquid particles in an atmosphere

aerosolised liquids
type: Class
equivalent class: Class
  intersection of: aerosol
  intersection of: Restriction
    on property: composed primarily of
    some values from: Class
      intersection of: environmental material
      intersection of: Restriction
        on property: has quality
        some values from: quality of a liquid
subclass of: aerosol
subclass of: Restriction
  on property: has quality
  some values from: Class
    union of: quality of a solid
    union of: quality of a liquid
subclass of: Restriction
  on property: surrounded by
  some values from: air
subclass of: Restriction
  on property: composed primarily of
  some values from: Class
    intersection of: environmental material
    intersection of: Restriction
      on property: has quality
      some values from: quality of a liquid
IAO_0000115: An aerosol which has non-gaseous parts that are primarily composed of liquid droplets.
has exact synonym: liquid aerosol

aerosolised solids
type: Class
equivalent class: Class
  intersection of: aerosol
  intersection of: Restriction
    on property: composed primarily of
    some values from: Class
      intersection of: environmental material
      intersection of: Restriction
        on property: has quality
        some values from: quality of a solid
subclass of: aerosol
subclass of: Restriction
  on property: has quality
  some values from: Class
    union of: quality of a solid
    union of: quality of a liquid
subclass of: Restriction
  on property: surrounded by
  some values from: air
subclass of: Restriction
  on property: composed primarily of
  some values from: Class
    intersection of: environmental material
    intersection of: Restriction
      on property: has quality
      some values from: quality of a solid
IAO_0000115: An aerosol which has non-gaseous parts that are primarily composed of solid particles.
has exact synonym: solid aerosol

formation of a solid aerosol from gaseous material in an atmosphere
type: Class
equivalent class: Class
  intersection of: formation of a solid aerosol in an atmosphere
  intersection of: Restriction
    on property: has input
    some values from: gaseous environmental material
  intersection of: Restriction
    on property: has output
    some values from: aerosolised solids
subclass of: formation of a solid aerosol in an atmosphere
subclass of: Restriction
  on property: has input
  some values from: gaseous environmental material
IAO_0000115: A process during which microscopic solid particulates are formed from gaseous materials in an atmosphere.
has broad synonym: atmospheric formation of a solid aerosol
has broad synonym: formation of a solid aerosol in an atmosphere
has broad synonym: formation of a solid aerosol in the atmosphere
has related synonym: formation of solid particles from gaseous material in an atmosphere

formation of a liquid aerosol from gaseous material in an atmosphere
type: Class
equivalent class: Class
  intersection of: formation of a liquid aerosol in an atmosphere
  intersection of: Restriction
    on property: has input
    some values from: gaseous environmental material
  intersection of: Restriction
    on property: has output
    some values from: aerosolised liquids
subclass of: formation of a liquid aerosol in an atmosphere
subclass of: Restriction
  on property: has input
  some values from: gaseous environmental material
IAO_0000115: A process during which microscopic liquid droplets are formed from gaseous materials in an atmosphere.
has exact synonym: atmospheric formation of a liquid aerosol
has exact synonym: formation of a liquid aerosol in an atmosphere
has exact synonym: formation of a liquid aerosol in the atmosphere
has related synonym: formation of liquid droplets from gaseous material in an atmosphere
has related synonym: formation of liquid particles from gaseous material in an atmosphere

ecosystem
type: Class
equivalent class: Class
  intersection of: environmental system
  intersection of: Class
    union of: Restriction
      on property: has part
      some values from: cellular organisms
    union of: Restriction
      on property: has part
      some values from: collection of organisms
    union of: Restriction
      on property: determined by
      some values from: cellular organisms
    union of: Restriction
      on property: determined by
      some values from: collection of organisms
    union of: Restriction
      on property: determined by
      some values from: plant anatomical entity
    union of: Restriction
      on property: determined by
      some values from: anatomical entity
subclass of: environmental system
IAO_0000115: An environmental system which includes both living and non-living components.

gas planet
type: Class
equivalent class: Class
  intersection of: planet
  intersection of: Restriction
    on property: composed primarily of
    some values from: Class
      intersection of: Class
        union of: hydrogen molecular entity
        union of: helium molecular entity
      intersection of: Restriction
        on property: has quality
        some values from: quality of a gas
subclass of: planet
subclass of: mass of environmental material
subclass of: Restriction
  on property: composed primarily of
  some values from: astrogeological gas
subclass of: Restriction
  on property: composed primarily of
  some values from: Class
    intersection of: Class
      union of: hydrogen molecular entity
      union of: helium molecular entity
    intersection of: Restriction
      on property: has quality
      some values from: quality of a gas
IAO_0000115: A planet which is primarily composed of hydrogen and helium.

ice
type: Class
subclass of: environmental material
subclass of: Restriction
  on property: has quality
  some values from: Class
    union of: quality of a solid
    union of: frozen
IAO_0000115: An ice is an environmental material which is either frozen or which is maintained in a solid state by gravitational forces or pressure.

desert planet
type: Class
equivalent class: Class
  intersection of: terrestrial planet
  intersection of: Restriction
    on property: has part
    some values from: Class
      intersection of: planetary surface
      intersection of: Restriction
        on property: composed primarily of
        some values from: Class
subclass of: terrestrial planet
subclass of: Restriction
  on property: has part
  some values from: Class
    intersection of: planetary surface
    intersection of: Restriction
      on property: composed primarily of
      some values from: Class
        intersection of: desert
        intersection of: Restriction
IAO_0000115: A terrestrial planet which has a surface dominated by hot deserts.
has exact synonym: dry planet

ocean planet
type: Class
equivalent class: Class
  intersection of: planet
  intersection of: Restriction
    on property: has part
    some values from: Class
      intersection of: planetary surface
      intersection of: Restriction
        on property: composed primarily of
        some values from: liquid water
subclass of: planet
subclass of: Restriction
  on property: has part
  some values from: Class
    intersection of: planetary surface
    intersection of: Restriction
      on property: composed primarily of
      some values from: liquid water
IAO_0000115: A planet which has a surface layer that nearly completely or completely covered by water, and which has a substantial portion of its mass composed of water.
has exact synonym: aquaplanet
has exact synonym: panthalassic planet
has exact synonym: water world

ice planet
type: Class
equivalent class: Class
  intersection of: planet
  intersection of: Restriction
    on property: has part
    some values from: Class
      intersection of: planetary surface
      intersection of: Restriction
        on property: composed primarily of
        some values from: ice
subclass of: planet
subclass of: Restriction
  on property: has part
  some values from: Class
    intersection of: planetary surface
    intersection of: Restriction
      on property: composed primarily of
      some values from: ice
IAO_0000115: A planet which has a surface layer that nearly completely or completely covered by ice, and which has a substantial portion of its mass composed of ice.
has exact synonym: cryoplanet

carbon dioxide ice
type: Class
equivalent class: Class
  intersection of: ice
  intersection of: Restriction
    on property: composed primarily of
    some values from: carbon dioxide
subclass of: ice
subclass of: Restriction
  on property: composed primarily of
  some values from: carbon dioxide
IAO_0000115: Ice which is primarily composed of carbon dioxide.
has related synonym: dry ice

lava planet
type: Class
equivalent class: Class
  intersection of: planet
  intersection of: Restriction
    on property: has part
    some values from: Class
      intersection of: planetary surface
      intersection of: Restriction
        on property: composed primarily of
        some values from: lava
subclass of: planet
subclass of: Restriction
  on property: has part
  some values from: Class
    intersection of: planetary surface
    intersection of: Restriction
      on property: composed primarily of
      some values from: lava
IAO_0000115: A planet which has a surface layer that nearly completely or completely covered by lava, and which has a substantial portion of its mass composed of lava.

helium planet
type: Class
equivalent class: Class
  intersection of: gas planet
  intersection of: Restriction
    on property: has part
    some values from: Class
      intersection of: atmosphere
      intersection of: Restriction
        on property: composed primarily of
        some values from: helium molecular entity
subclass of: gas planet
subclass of: Restriction
  on property: has part
  some values from: Class
    intersection of: atmosphere
    intersection of: Restriction
      on property: composed primarily of
      some values from: helium molecular entity
IAO_0000115: A gas planet which has an atmosphere composed primarily of helium.

volatile astrogeological material
type: Class
subclass of: environmental material
subclass of: Restriction
  on property: part of
  some values from: Class
    union of: atmosphere
    union of: planetary crust
IAO_0000115: A material which is composed primarily of chemical elements and compounds with relatively low boiling points, equilibrium condensation temperatures below 1300 Kelvin, and which are part of the crust or atmosphere of a moon or planet.
has related synonym: volatile

astrogeological gas
type: Class
subclass of: volatile astrogeological material
IAO_0000115: An astrogeological volatile which is composed primarily of chemical compounds with boiling points around those of hydrogen and helium.
has related synonym: gas

geodiversity
type: Class
subclass of: physical object quality
IAO_0000115: A quality which inheres in a astronomical body or astronomical body part by virtue of the variation in its material composition, participation in geological processes, and the variation in is land- and hydroforms.

environment associated with an aquatic invertebrate
type: Class
equivalent class: Class
  intersection of: ecosystem
  intersection of: Restriction
    on property: determined by
    some values from: Class
      intersection of: Class
        intersection of: Metazoa
        intersection of: Class
      intersection of: Restriction
        on property: has habitat
        some values from: Restriction
subclass of: animal-associated environment
subclass of: Restriction
  on property: determined by
  some values from: Class
    intersection of: Class
      intersection of: Metazoa
      intersection of: Class
        complement of: Vertebrata <vertebrates>
    intersection of: Restriction
      on property: has habitat
      some values from: Restriction
        on property: overlaps
        some values from: aquatic environment
IAO_0000115: An environment which has its properties and composition largely determined by the presence of a metazoan which lacks a vetebral column and which has a habitat that is found in an aquatic environmental system.

water surface
type: Class
equivalent class: Class
  intersection of: liquid surface layer
  intersection of: Restriction
    on property: part of
    some values from: liquid water
subclass of: aquatic layer
subclass of: liquid surface layer
subclass of: Restriction
  on property: part of
  some values from: liquid water
IAO_0000115: The surface layer of a volume of water.
has exact synonym: surface of a body of water
has exact synonym: water body surface

sediment surface
type: Class
equivalent class: Class
  intersection of: surface layer
  intersection of: Restriction
    on property: part of
    some values from: sediment
subclass of: surface layer
subclass of: Restriction
  on property: part of
  some values from: sediment
IAO_0000115: The surface layer of a mass of sediment.
has exact synonym: surface of a sedimentary mass
has exact synonym: surface sediment

terrestrial environmental zone
type: Class
equivalent class: Class
  intersection of: environmental zone
  intersection of: Restriction
    on property: part of
    some values from: planetary landmass
subclass of: environmental zone
subclass of: Restriction
  on property: part of
  some values from: terrestrial biome
subclass of: Restriction
  on property: part of
  some values from: planetary landmass
IAO_0000115: An environmental zone which is bounded by material parts of a land mass or the atmosphere or space adjacent to it.

anthropised terrestrial environmental zone
type: Class
equivalent class: Class
  intersection of: terrestrial environmental zone
  intersection of: Restriction
    on property: part of
    some values from: anthropogenic terrestrial biome
subclass of: terrestrial environmental zone
subclass of: Restriction
  on property: part of
  some values from: anthropogenic terrestrial biome
IAO_0000115: A terrestrial zone which is bounded by constructed, manufactured, or other anthropogenic material entities.

marine environmental zone
type: Class
equivalent class: Class
  intersection of: environmental zone
  intersection of: Restriction
    on property: part of
    some values from: marine environment
subclass of: environmental zone
subclass of: Restriction
  on property: part of
  some values from: marine environment
IAO_0000115: An environmental zone which is bounded by material parts of a marine environment.

lithification
type: Class
equivalent class: Class
  intersection of: material transformation process
  intersection of: Restriction
    on property: has input
    some values from: sediment
  intersection of: Restriction
    on property: results in formation of
    some values from: sedimentary rock
subclass of: material transformation process
subclass of: Restriction
  on property: has input
  some values from: sediment
subclass of: Restriction
  on property: results in formation of
  some values from: sedimentary rock
IAO_0000115: A process during which sediments compact under pressure, expel connate fluids, and gradually become solid sedimentary rock.

grassland ecosystem
type: Class
subclass of: terrestrial ecosystem
IAO_0000115: An ecosystem in which grasses (Graminae) are the dominant form of vegetation and determine the system's structure and dynamics.
has exact synonym: GRASSLAND
has exact synonym: grassland
has related synonym: Grassland
has related synonym: down
has related synonym: downland
has related synonym: downs
has related synonym: glade
has related synonym: grazing area
has related synonym: herbaceous area

stellar radiation
type: Class
equivalent class: Class
  intersection of: electromagnetic radiation
  intersection of: Restriction
    on property: process has causal agent
    some values from: star
subclass of: electromagnetic radiation
subclass of: Restriction
  on property: process has causal agent
  some values from: star
IAO_0000115: An electromagnetic radiation process during which electromagnetic waves or their quanta are emitted from a star.
has narrow synonym: solar radiation

visible spectrum stellar radiation
type: Class
equivalent class: Class
  intersection of: visible spectrum radiation
  intersection of: Restriction
    on property: process has causal agent
    some values from: star
subclass of: stellar radiation
subclass of: visible spectrum radiation
IAO_0000115: A stellar radiation process during which electromagnetic waves or their quanta are emitted from a star at wavelengths between 380 nm and 760 nm.
has exact synonym: optical stellar radiation
has narrow synonym: visible spectrum solar radiation

ultraviolet stellar radiation
type: Class
equivalent class: Class
  intersection of: ultraviolet radiation
  intersection of: Restriction
    on property: process has causal agent
    some values from: star
subclass of: stellar radiation
subclass of: ultraviolet radiation
IAO_0000115: A stellar radiation process during which electromagnetic waves or their quanta are emitted from a star at wavelengths between 10 nm and 400 nm.
has narrow synonym: ultraviolet solar radiation

terrestrial natural environment
type: Class
equivalent class: Class
  intersection of: natural environment
  intersection of: Restriction
    on property: part of
    some values from: planetary landmass
subclass of: natural environment
subclass of: Restriction
  on property: part of
  some values from: planetary landmass
IAO_0000115: A natural environment which is located on a land mass.

aquatic natural environment
type: Class
equivalent class: Class
  intersection of: natural environment
  intersection of: Restriction
    on property: part of
    some values from: water body
subclass of: natural environment
subclass of: Restriction
  on property: part of
  some values from: water body
IAO_0000115: A natural environment which is within a water body.

forest canopy
type: Class
subclass of: canopy
subclass of: Restriction
  on property: part of
  some values from: forest ecosystem

canopy
type: Class
subclass of: vegetation layer
IAO_0000115: A vegetation layer which is formed by a collection of individual plant crowns, themselves constituting part of the aboveground portion of a plant community.

forest ecosystem
type: Class
subclass of: terrestrial ecosystem
subclass of: Restriction
  on property: has part
  some values from: forest canopy
IAO_0000115: An ecosystem which is determined by communities of plants with a tree growth form and in which members of those communities form continuous or discontinuous regions of canopy cover.

liquid layer
type: Class
equivalent class: Class
  intersection of: fluid layer
  intersection of: Restriction
    on property: composed primarily of
    some values from: liquid environmental material
subclass of: fluid layer
subclass of: Restriction
  on property: composed primarily of
  some values from: liquid environmental material
IAO_0000115: A layer which is primarily composed of some liquid material.

solid layer
type: Class
equivalent class: Class
  intersection of: layer
  intersection of: Restriction
    on property: composed primarily of
    some values from: solid environmental material
subclass of: layer
subclass of: Restriction
  on property: composed primarily of
  some values from: solid environmental material
IAO_0000115: A layer which is primarily composed of some solid material, allowing for non-solid parts such as interstitial pockets of gas or liquid.

water ice layer
type: Class
equivalent class: Class
  intersection of: solid layer
  intersection of: Restriction
    on property: composed primarily of
    some values from: water ice
subclass of: glacial feature
subclass of: solid layer
subclass of: Restriction
  on property: composed primarily of
  some values from: water ice
IAO_0000115: A solid layer which is primarily composed of some water-based ice.

silica dust
type: Class
subclass of: dust
subclass of: Restriction
  on property: composed primarily of
  some values from: silicon dioxide
IAO_0000115: Dust which is composed primarily of slicon dioxide.

barium dust
type: Class
equivalent class: Class
  intersection of: dust
  intersection of: Class
    union of: elemental barium
    union of: Restriction
      on property: composed primarily of
      some values from: barium molecular entity
subclass of: dust
IAO_0000115: Dust which is primarily composed of barium particles.

talc dust
type: Class
equivalent class: Class
  intersection of: dust
  intersection of: Restriction
    on property: composed primarily of
    some values from: Talc
subclass of: dust
subclass of: Restriction
  on property: composed primarily of
  some values from: Talc
IAO_0000115: Dust which is primarily composed of hydrated magnesium silicate (talc) particles.

slate dust
type: Class
equivalent class: Class
  intersection of: dust
  intersection of: Restriction
    on property: derives from
    some values from: slate
subclass of: dust
subclass of: Restriction
  on property: derives from
  some values from: slate
IAO_0000115: Dust which is primarily composed of slate particles.

kaolin dust
type: Class
equivalent class: Class
  intersection of: dust
  intersection of: Restriction
    on property: derives from
    some values from: Class
      intersection of: environmental material
      intersection of: Restriction
        on property: composed primarily of
        some values from: kaolin
subclass of: mineral dust
subclass of: Restriction
  on property: derives from
  some values from: Class
    intersection of: environmental material
    intersection of: Restriction
      on property: composed primarily of
      some values from: kaolin
subclass of: Restriction
  on property: composed primarily of
  some values from: kaolin
IAO_0000115: Dust which is primarily composed of kaolinite particles.
has exact synonym: kaolinite dust

bush area
type: Class
equivalent class: Class
  intersection of: vegetated area
  intersection of: Restriction
    on property: overlaps
    some values from: Class
      union of: forested area
      union of: scrubland area
      union of: area of scrub
      union of: area of developed open space
      union of: area of sedge- and forb-dominated herbaceous vegetation
      union of: area of gramanoid or herbaceous vegetation
subclass of: vegetated area
subclass of: Restriction
  on property: overlaps
  some values from: Class
    union of: forested area
    union of: scrubland area
    union of: area of scrub
    union of: area of developed open space
    union of: area of sedge- and forb-dominated herbaceous vegetation
    union of: area of gramanoid or herbaceous vegetation
IAO_0000115: A vegetated area which has not been cleared or is sparsely settled, usually scrub-covered or forested
has related synonym: the bush

atmospheric zone
type: Class
equivalent class: Class
  intersection of: environmental zone
  intersection of: Restriction
    on property: part of
    some values from: atmosphere
subclass of: environmental zone
subclass of: Restriction
  on property: part of
  some values from: atmosphere
IAO_0000115: An environmental zone which is part of an atmosphere.
has exact synonym: atmospheric area

vegetated area
type: Class
subclass of: terrestrial environmental zone
IAO_0000115: A vegetated area is a geographic feature which has ground cover dominated by plant communities.

hydroform
type: Class
equivalent class: Class
  intersection of: liquid astronomical body part
  intersection of: Restriction
    on property: part of
    some values from: water body
  intersection of: Restriction
    on property: composed primarily of
    some values from: liquid water
subclass of: liquid astronomical body part
subclass of: Restriction
  on property: part of
  some values from: water body
subclass of: Restriction
  on property: contains process
  some values from: water flow process
subclass of: Restriction
  on property: composed primarily of
  some values from: liquid water
IAO_0000115: A geographic feature which is primarily composed of a continuous volume of liquid water held in shape or sustained by an environmental process.

liquid air-water interface layer
type: Class
equivalent class: Class
  intersection of: liquid surface layer
  intersection of: Restriction
    on property: adjacent to
    some values from: air
subclass of: liquid surface layer
subclass of: Restriction
  on property: adjacent to
  some values from: air
IAO_0000115: A liquid surface layer which is in contact with air.

liquid surface layer
type: Class
equivalent class: Class
  intersection of: fluid surface layer
  intersection of: Restriction
    on property: composed primarily of
    some values from: liquid environmental material
subclass of: liquid layer
subclass of: fluid surface layer
IAO_0000115: A surface layer which is composed primarily of some liquid.

solid surface layer
type: Class
equivalent class: Class
  intersection of: surface layer
  intersection of: Restriction
    on property: composed primarily of
    some values from: solid environmental material
subclass of: surface layer
subclass of: solid layer
IAO_0000115: A surface layer which is composed primarily of solid environmental material.

saline water body
type: Class
equivalent class: Class
  intersection of: water body
  intersection of: Restriction
    on property: composed primarily of
    some values from: saline water
subclass of: water body
subclass of: Restriction
  on property: composed primarily of
  some values from: saline water
IAO_0000115: A body of water which is primarily composed of saline water.
has exact synonym: saline body of water

advective transport process
type: Class
subclass of: material transport process
IAO_0000115: A material transport process during which a volume of material is displaced due to a disequilibrium in physical forces and during which 1) the qualities that inhere in that volume and 2) the processes that are unfolding within it are largely unchanged.
has exact synonym: advective transport

erosion
type: Class
subclass of: material transport process
subclass of: Restriction
  on property: has participant
  some values from: environmental material
subclass of: Restriction
  on property: has participant
  some values from: planetary crust
IAO_0000115: An action of exogenic processes (such as water flow or wind) which remove environmental material from one location on the surface of an astronomical body, transporting it to another location where it is deposited.

desert
type: Class
subclass of: solid astronomical body part
subclass of: Restriction
  on property: overlaps
  some values from: desert area
IAO_0000115: A landform which has been rendered barren or partially barren by environmental extremes, especially by low rainfall.

aerosolised particle formation process
type: Class
subclass of: particulate matter formation process
subclass of: Class
  intersection of: Class
    union of: Restriction
      on property: has quality
      some values from: quality of a solid
    union of: Restriction
      on property: has quality
      some values from: quality of a liquid
  intersection of: Restriction
    on property: has output
    some values from: particulate matter
subclass of: Restriction
  on property: part of
  some values from: aerosol formation process
subclass of: Restriction
  on property: has input
  some values from: gaseous environmental material
IAO_0000115: A process during which particles suspended in a gaseous medium are formed.
has exact synonym: new particle formation process

primary aerosol formation process
type: Class
equivalent class: Class
  intersection of: material transport process
  intersection of: Restriction
    on property: has input
    some values from: Class
      intersection of: gaseous environmental material
      intersection of: Class
        union of: particulate matter
        union of: solid environmental material
        union of: liquid environmental material
  intersection of: Restriction
    on property: has output
    some values from: aerosol
subclass of: material transport process
subclass of: Restriction
  on property: has input
  some values from: Class
    intersection of: gaseous environmental material
    intersection of: Class
      union of: particulate matter
      union of: solid environmental material
      union of: liquid environmental material
subclass of: Restriction
  on property: has output
  some values from: aerosol
IAO_0000115: A material transport process during which solid or liquid particles are directly introduced into a volume of gas.
has related synonym: primary aerosol formation

land conversion process
type: Class
subclass of: land consumption process
subclass of: Restriction
  on property: has participant
  some values from: terrestrial biome
subclass of: Restriction
  on property: has participant
  some values from: Class
    union of: anthropogenic environment
    union of: natural environment
IAO_0000115: An anthropisation process during which terrestrial environments - natural or anthropised - or parts thereof are altered to facilitate human activities such as agriculture, settlement, or commerce.
has exact synonym: land conversion
has exact synonym: land development

anthropogenic ecosystem conversion process
type: Class
subclass of: anthropogenic environmental process
IAO_0000115: A process during which an ecosystem - natural or anthropised - is changed by the actions of humans.

body of liquid
type: Class
subclass of: liquid astronomical body part

liquid astronomical body part
type: Class
equivalent class: Class
  intersection of: fluid astronomical body part
  intersection of: Restriction
    on property: composed primarily of
    some values from: liquid environmental material
subclass of: fluid astronomical body part
subclass of: compound astronomical body part
subclass of: Restriction
  on property: composed primarily of
  some values from: liquid environmental material
IAO_0000115: A part of an astronomical body which is primarily composed of a continuous volume of liquid material, shaped by one or more environmental processes.

gaseous astronomical body part
type: Class
equivalent class: Class
  intersection of: fluid astronomical body part
  intersection of: Restriction
    on property: composed primarily of
    some values from: gaseous environmental material
subclass of: fluid astronomical body part
subclass of: compound astronomical body part
subclass of: Restriction
  on property: composed primarily of
  some values from: gaseous environmental material
IAO_0000115: A part of an astronomical body which is primarily composed of a continuous volume of gaseous material, shaped by one or more environmental processes.

fluid astronomical body part
type: Class
subclass of: astronomical body part
subclass of: Restriction
  on property: composed primarily of
  some values from: Class
    union of: gaseous environmental material
    union of: liquid environmental material
IAO_0000115: A part of an astronomical body which is primarily composed of a continuous volume of liquid or gaseous material, shaped by one or more environmental processes.

surface of an astronomical body
type: Class
equivalent class: Class
  intersection of: surface layer
  intersection of: Restriction
    on property: part of
    some values from: astronomical body
subclass of: surface layer
subclass of: Class
  union of: Restriction
    on property: adjacent to
    some values from: atmosphere
  union of: Restriction
    on property: adjacent to
    some values from: outer space
subclass of: Restriction
  on property: part of
  some values from: astronomical body
subclass of: Restriction
  on property: composed primarily of
  some values from: Class
    union of: solid environmental material
    union of: liquid environmental material
IAO_0000115: A surface layer where the solid or liquid material of an astronomical body comes into contact with an atmosphere or outer space.

radiation from a manufactured product
type: Class
equivalent class: Class
  intersection of: electromagnetic radiation
  intersection of: Restriction
    on property: process has causal agent
    some values from: manufactured product
subclass of: electromagnetic radiation
subclass of: Restriction
  on property: process has causal agent
  some values from: manufactured product
IAO_0000115: An electromagnetic radiation process during which electromagnetic waves or their quanta are emitted from a manufactured product.
has broad synonym: anthropogenic radiation
has exact synonym: artificial radiation

material congelation process
type: Class
subclass of: material transformation process
subclass of: Restriction
  on property: has output
  some values from: Class
    intersection of: environmental material
    intersection of: Restriction
      on property: has quality
      some values from: increased viscosity
IAO_0000115: A material transformation process during which a material's viscosity increase either through a reduction in temperature, through chemical reactions, or other physical effects.
has exact synonym: congelation
has exact synonym: congelation process

frozen land
type: Class
equivalent class: Class
  intersection of: land
  intersection of: Restriction
    on property: has quality
    some values from: frozen
subclass of: land
subclass of: Restriction
  on property: has quality
  some values from: frozen
subclass of: Restriction
  on property: composed primarily of
  some values from: Class
    union of: rock
    union of: soil
IAO_0000115: Land which is below the freezing point of water.
has exact synonym: frozen ground

frozen soil
type: Class
equivalent class: Class
  intersection of: soil
  intersection of: Restriction
    on property: has quality
    some values from: frozen
subclass of: soil
subclass of: Restriction
  on property: part of
  some values from: frozen land
subclass of: Restriction
  on property: has quality
  some values from: frozen
IAO_0000115: Soil which is below the freezing point of water.

freezing
type: Class
subclass of: material congelation process
IAO_0000115: A material congelation process during which a liquid turns into a solid when its temperature is lowered below its melting point.

freezing of water into water ice
type: Class
equivalent class: Class
  intersection of: freezing
  intersection of: Restriction
    on property: has input
    some values from: liquid water
  intersection of: Restriction
    on property: has output
    some values from: water ice
subclass of: freezing
subclass of: hydrological process
subclass of: Restriction
  on property: has input
  some values from: liquid water
subclass of: Restriction
  on property: has output
  some values from: water ice
IAO_0000115: A freezing process during which liquid water is transformed into water ice.

surface layer of a water body
type: Class
equivalent class: Class
  intersection of: water surface
  intersection of: Restriction
    on property: part of
    some values from: water body
subclass of: water surface
subclass of: surface of an astronomical body
subclass of: Restriction
  on property: part of
  some values from: water body
IAO_0000115: A water surface that is part of a water body.

terrestrial ecoregion
type: Class
subclass of: ecoregion
subclass of: Restriction
  on property: adjacent to
  some values from: planetary landmass
IAO_0000115: An ecoregion which is located on a landmass.

sea surface layer
type: Class
equivalent class: Class
  intersection of: surface layer of a water body
  intersection of: Restriction
    on property: part of
    some values from: Class
      union of: ocean
      union of: sea
subclass of: marine layer
subclass of: surface layer of a water body
subclass of: Restriction
  on property: has part
  some values from: Class
    union of: oceanic sea surface microlayer biome
    union of: neritic sea surface microlayer biome
IAO_0000115: A surface layer which is part of an ocean or sea.

cryospheric layer
type: Class
equivalent class: Class
  intersection of: layer
  intersection of: Restriction
    on property: part of
    some values from: cryosphere
subclass of: layer
subclass of: Restriction
  on property: part of
  some values from: cryosphere
IAO_0000115: A layer which is part of a cryosphere.

ice-bearing permafrost
type: Class
equivalent class: Class
  intersection of: permafrost
  intersection of: Restriction
    on property: has part
    some values from: water ice
subclass of: permafrost
subclass of: Restriction
  on property: has part
  some values from: water ice
IAO_0000115: Permafrost which contains inclusions of water-based ice.

snow accumulation process
type: Class
subclass of: material accumulation process
subclass of: Restriction
  on property: has participant
  some values from: surface layer
subclass of: Restriction
  on property: has participant
  some values from: snow
subclass of: Restriction
  on property: results in formation of
  some values from: snow mass
IAO_0000115: A material accumulation process during which the mass of snow on a surface increases.

ice accumulation process
type: Class
subclass of: hydrological process
subclass of: material accumulation process
subclass of: Class
  intersection of: Restriction
    on property: has part
    some values from: Class
      union of: freezing
      union of: material transport process
  intersection of: Restriction
    on property: has participant
    some values from: water ice
IAO_0000115: A material accumulation process during which ice forms in an environmental material or an existing accumulation of ice increases in mass.

snow and ice accumulation process
type: Class
equivalent class: Class
  intersection of: material accumulation process
  intersection of: Restriction
    on property: results in formation of
    some values from: mass of ice and snow
subclass of: snow accumulation process
subclass of: Class
  intersection of: snow accumulation process
  intersection of: Restriction
    on property: has part
    some values from: ice accumulation process
subclass of: Restriction
  on property: results in formation of
  some values from: mass of ice and snow
IAO_0000115: A material accumulation process during which a accumulation of snow and ice forms or increases in mass.

mass of ice and snow
type: Class
equivalent class: Class
  intersection of: mass of compounded environmental materials
  intersection of: Restriction
    on property: composed primarily of
    some values from: Class
      intersection of: water ice
      intersection of: snow
subclass of: ice mass
subclass of: snow mass
subclass of: Class
  intersection of: snow mass
  intersection of: Restriction
    on property: has part
    some values from: ice mass
subclass of: Restriction
  on property: formed as result of
  some values from: snow and ice accumulation process
subclass of: Restriction
  on property: composed primarily of
  some values from: Class
    intersection of: water ice
    intersection of: snow
IAO_0000115: A object which is composed primarily of water-based snow and ice.

formation of a solid aerosol from liquid material in an atmosphere
type: Class
equivalent class: Class
  intersection of: formation of a solid aerosol in an atmosphere
  intersection of: Restriction
    on property: has input
    some values from: liquid environmental material
  intersection of: Restriction
    on property: has output
    some values from: aerosolised solids
subclass of: formation of a solid aerosol in an atmosphere
subclass of: Restriction
  on property: has input
  some values from: liquid environmental material
IAO_0000115: A process during which microscopic solid particulates are formed from liquid materials in an atmosphere.
has broad synonym: atmospheric formation of a solid aerosol
has broad synonym: formation of a solid aerosol in an atmosphere
has broad synonym: formation of a solid aerosol in the atmosphere
has exact synonym: formation of solid particles from liquid material in an atmosphere

gaseous part of an atmosphere
type: Class
equivalent class: Class
  intersection of: gaseous astronomical body part
  intersection of: Restriction
    on property: part of
    some values from: atmosphere
subclass of: gaseous astronomical body part
subclass of: Restriction
  on property: part of
  some values from: atmosphere
IAO_0000115: That part of an atmosphere which is composed of gaseous material.

amorphous solid
type: Class
equivalent class: Class
  intersection of: solid environmental material
  intersection of: Restriction
    on property: has quality
    some values from: Class
      union of: amorphous
      union of: unstructured
subclass of: solid environmental material
subclass of: Restriction
  on property: has quality
  some values from: Class
    union of: amorphous
    union of: unstructured
IAO_0000115: A solid material which does not have a regularly organised internal structure.

atmospheric aerosol
type: Class
equivalent class: Class
  intersection of: aerosol
  intersection of: Restriction
    on property: part of
    some values from: atmosphere
subclass of: aerosol
subclass of: Restriction
  on property: part of
  some values from: atmosphere
IAO_0000115: An aerosol that is suspended in an atmosphere.

aerosol formation process
type: Class
equivalent class: Class
  intersection of: material transformation process
  intersection of: Restriction
    on property: has output
    some values from: aerosol
subclass of: material transformation process
subclass of: Restriction
  on property: has part
  some values from: aerosolised particle formation process
subclass of: Restriction
  on property: has output
  some values from: aerosol
IAO_0000115: A material transformation process during which solid or liquid particles form and are suspended in a mass of air, thus creating an aerosol.

fluid surface layer
type: Class
equivalent class: Class
  intersection of: surface layer
  intersection of: Restriction
    on property: composed primarily of
    some values from: Class
      union of: gaseous environmental material
      union of: liquid environmental material
subclass of: surface layer
subclass of: fluid interface layer
IAO_0000115: A surface layer which is composed primarily of some liquid or gas.

fluid interface layer
type: Class
equivalent class: Class
  intersection of: interface layer
  intersection of: Restriction
    on property: composed primarily of
    some values from: Class
      union of: gaseous environmental material
      union of: liquid environmental material
subclass of: fluid layer
subclass of: interface layer
IAO_0000115: A surface layer which separates two portions of fluid with respect to either 1) a discontinuity of some fluid property or 2) some derivative of one of these properties in a direction normal to the interface.

fluid layer
type: Class
equivalent class: Class
  intersection of: layer
  intersection of: Restriction
    on property: composed primarily of
    some values from: Class
      union of: gaseous environmental material
      union of: liquid environmental material
subclass of: layer
subclass of: Restriction
  on property: composed primarily of
  some values from: Class
    union of: gaseous environmental material
    union of: liquid environmental material
IAO_0000115: A layer which is composed primarily of some fluid.

fluid front
type: Class
subclass of: fluid interface layer
IAO_0000115: A fluid interface which separates two fluid masses with differing properties.

gaseous front
type: Class
equivalent class: Class
  intersection of: fluid front
  intersection of: Restriction
    on property: composed primarily of
    some values from: gaseous environmental material
subclass of: fluid front
subclass of: Restriction
  on property: composed primarily of
  some values from: gaseous environmental material
IAO_0000115: A fluid front which is composed primarily of gaseous material and separates at least two gaseous masses.

weather front
type: Class
equivalent class: Class
  intersection of: gaseous front
  intersection of: Restriction
    on property: part of
    some values from: atmosphere
  intersection of: Restriction
    on property: composed primarily of
    some values from: air
subclass of: atmospheric layer
subclass of: gaseous front
subclass of: Restriction
  on property: composed primarily of
  some values from: air
subclass of: Restriction
  on property: causal agent in process
  some values from: atmospheric process
subclass of: Restriction
  on property: adjacent to
  min qualified cardinality: 2
  on class: air mass
IAO_0000115: A gaseous front which separates two masses of air with different densities and is a principal cause of meteorological phenomena.
has exact synonym: meteorological front

air mass
type: Class
equivalent class: Class
  intersection of: mass of gas
  intersection of: Restriction
    on property: composed primarily of
    some values from: air
subclass of: mass of gas
subclass of: Restriction
  on property: composed primarily of
  some values from: air
IAO_0000115: An object which is composed of a continuous mass of air.

gaseous surface layer
type: Class
equivalent class: Class
  intersection of: fluid surface layer
  intersection of: Restriction
    on property: composed primarily of
    some values from: gaseous environmental material
subclass of: fluid surface layer
subclass of: Restriction
  on property: composed primarily of
  some values from: gaseous environmental material
IAO_0000115: A fluid surface layer which is composed primarily of some gaseous material.

interface layer
type: Class
subclass of: layer
IAO_0000115: A layer which separates two portions of environmental material which possess 1) differing compositions, 2) a discontinuity of some property, or 3) some derivative of some property in a direction normal to the interface.

mass of environmental material
type: Class
equivalent class: Class
  intersection of: object
  intersection of: Restriction
    on property: composed primarily of
    some values from: environmental material
subclass of: object
subclass of: Restriction
  on property: composed primarily of
  some values from: environmental material
IAO_0000115: An object which is composed primarily of an environmental material

mass of solid material
type: Class
equivalent class: Class
  intersection of: mass of environmental material
  intersection of: Restriction
    on property: composed primarily of
    some values from: solid environmental material
subclass of: mass of environmental material
subclass of: Restriction
  on property: composed primarily of
  some values from: solid environmental material
IAO_0000115: An object which is composed primarily of a solid environmental material

mass of fluid
type: Class
equivalent class: Class
  intersection of: mass of environmental material
  intersection of: Restriction
    on property: composed primarily of
    some values from: Class
      union of: gaseous environmental material
      union of: liquid environmental material
subclass of: mass of environmental material
subclass of: Restriction
  on property: composed primarily of
  some values from: Class
    union of: gaseous environmental material
    union of: liquid environmental material
IAO_0000115: An object which is composed primarily of a fluid.
has exact synonym: fluid mass

mass of gas
type: Class
equivalent class: Class
  intersection of: mass of fluid
  intersection of: Restriction
    on property: composed primarily of
    some values from: gaseous environmental material
subclass of: mass of fluid
subclass of: Restriction
  on property: composed primarily of
  some values from: gaseous environmental material
IAO_0000115: An object which is composed primarily of a gas.
has exact synonym: gaseous mass

mass of liquid
type: Class
equivalent class: Class
  intersection of: mass of fluid
  intersection of: Restriction
    on property: composed primarily of
    some values from: liquid environmental material
subclass of: mass of fluid
subclass of: Restriction
  on property: composed primarily of
  some values from: liquid environmental material
IAO_0000115: An object which is composed primarily of a liquid.
has exact synonym: liquid mass

mass of compounded environmental materials
type: Class
equivalent class: Class
  intersection of: mass of environmental material
  intersection of: Restriction
    on property: composed primarily of
    min qualified cardinality: 2
    on class: environmental material
subclass of: mass of environmental material
IAO_0000115: An mass of environmental materials which has appreciable quantities of several individual materials, such that the removal of one would convert the mass into a different entity.

polar front
type: Class
subclass of: weather front
IAO_0000115: A weather front which separates air masses of tropical and polar origin.

mass fluid flow
type: Class
subclass of: advective transport process

desert ecosystem
type: Class
equivalent class: Class
  intersection of: ecosystem
  intersection of: Restriction
    on property: determined by
    some values from: desert
subclass of: ecosystem
subclass of: Restriction
  on property: determined by
  some values from: desert
IAO_0000115: An ecosystem in which the composition, structure, and function of resident ecological assemblages are primarily determined by a desert.

part of a landmass
type: Class
equivalent class: Class
  intersection of: solid astronomical body part
  intersection of: Restriction
    on property: part of
    some values from: planetary landmass
subclass of: solid astronomical body part
subclass of: Restriction
  on property: part of
  some values from: planetary landmass
IAO_0000115: A solid astronomical body part which is part of the landmass of that body.

landmass
type: Class
subclass of: land
IAO_0000115: A large continuous area of land, either surrounded by sea or contiguous with another landmass.

compound astronomical body part
type: Class
subclass of: astronomical body part
subclass of: Restriction
  on property: composed primarily of
  some values from: Class
    union of: gaseous environmental material
    union of: liquid environmental material
IAO_0000115: A part of an astronomical body which is primarily composed of a continuous medium bearing liquid, gaseous, and solid material in varying quantities.

land
type: Class
subclass of: solid surface layer
subclass of: surface of an astronomical body
IAO_0000115: A surface layer of an astronomical body which is primarily composed of solid material and is not covered by oceans or other bodies of water.

aquatic ecosystem
type: Class
equivalent class: Class
  intersection of: ecosystem
  intersection of: Restriction
    on property: determined by
    some values from: water body
subclass of: ecosystem
subclass of: Restriction
  on property: determined by
  some values from: water body

marine ecosystem
type: Class
equivalent class: Class
  intersection of: aquatic ecosystem
  intersection of: Restriction
    on property: determined by
    some values from: marine water body
subclass of: marine environment
subclass of: aquatic ecosystem

terrestrial ecosystem
type: Class
subclass of: ecosystem

ecosystem process
type: Class
equivalent class: Class
  intersection of: environmental system process
  intersection of: Restriction
    on property: process has causal agent
    some values from: ecosystem
subclass of: environmental system process
subclass of: Restriction
  on property: process has causal agent
  some values from: ecosystem
IAO_0000115: An environmental process either driven by or primarily impacting the parts or emergent properties of an ecosystem.

construction
type: Class
subclass of: material entity
IAO_0000115: A material entity which has been assembled through the intentional, instinctual, or deliberately programmed efforts of an organism or machine.

organic object
type: Class
equivalent class: Class
  intersection of: object
  intersection of: Restriction
    on property: formed as result of
    some values from: biological_process
  intersection of: Restriction
    on property: composed primarily of
    some values from: organic material
subclass of: mass of environmental material
subclass of: Restriction
  on property: formed as result of
  some values from: biological_process
subclass of: Restriction
  on property: composed primarily of
  some values from: organic material
IAO_0000115: An object which is formed as a result of one or more biological processes and is composed primarily of organic material.

alpine biome
type: Class
equivalent class: Class
  intersection of: biome
  intersection of: Restriction
    on property: has quality
    some values from: alpine
subclass of: biome
subclass of: Restriction
  on property: has quality
  some values from: alpine
IAO_0000115: A biome which is subject to alpine altitudinal conditions.

montane biome
type: Class
equivalent class: Class
  intersection of: biome
  intersection of: Restriction
    on property: has quality
    some values from: montane
subclass of: biome
subclass of: Restriction
  on property: has quality
  some values from: montane
IAO_0000115: A biome which is subject to montane altitudinal conditions.

arid biome
type: Class
equivalent class: Class
  intersection of: biome
  intersection of: Restriction
    on property: has quality
    some values from: arid
subclass of: biome
subclass of: Restriction
  on property: has quality
  some values from: arid
IAO_0000115: A biome which is subject to arid environmental conditions.

energy transfer process
type: Class
subclass of: environmental system process
IAO_0000115: A process during which one entity loses energy to another entity.

liquid accumulation process
type: Class
equivalent class: Class
  intersection of: material accumulation process
  intersection of: Restriction
    on property: has participant
    some values from: liquid environmental material
subclass of: material accumulation process
subclass of: Restriction
  on property: has participant
  some values from: liquid environmental material
IAO_0000115: A material accumulation process during which the volume of liquid entity increases.

concentration of carbon dioxide in an atmosphere
type: Class
equivalent class: Class
  intersection of: concentration of
  intersection of: Restriction
    on property: inheres in
    some values from: Class
      intersection of: carbon dioxide
      intersection of: Restriction
        on property: part of
        some values from: atmosphere
subclass of: concentration of
subclass of: Restriction
  on property: inheres in
  some values from: Class
    intersection of: carbon dioxide
    intersection of: Restriction
      on property: part of
      some values from: atmosphere
IAO_0000115: The concentration of carbon dioxide when measured in air that is part of an atmosphere.

coal
type: Class
subclass of: sedimentary rock
subclass of: Restriction
  on property: has quality
  some values from: increased combustibility
subclass of: Restriction
  on property: has role
  some values from: fossil fuel
IAO_0000115: A combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers or veins called coal beds or coal seams.

coal dust
type: Class
equivalent class: Class
  intersection of: dust
  intersection of: Restriction
    on property: derives from
    some values from: coal
subclass of: dust
subclass of: Restriction
  on property: derives from
  some values from: coal
IAO_0000115: Dust which is derived from coal.

mineral dust
type: Class
equivalent class: Class
  intersection of: dust
  intersection of: Restriction
    on property: derives from
    some values from: mineral material
subclass of: dust
subclass of: mineral material
subclass of: Restriction
  on property: derives from
  some values from: mineral material
IAO_0000115: Dust which is derived from mineral material.

fibrous dust
type: Class
subclass of: dust
IAO_0000115: Dust which is composed of fibrous material.

metallic dust
type: Class
equivalent class: Class
  intersection of: dust
  intersection of: Restriction
    on property: derives from
    some values from: metallic material
subclass of: dust
subclass of: Restriction
  on property: derives from
  some values from: metallic material
subclass of: Restriction
  on property: composed primarily of
  some values from: metallic material
IAO_0000115: Dust which is composed primarily of some metallic material.

clay dust
type: Class
equivalent class: Class
  intersection of: dust
  intersection of: Restriction
    on property: derives from
    some values from: clay
subclass of: dust
subclass of: Restriction
  on property: derives from
  some values from: clay
IAO_0000115: Dust which is derived from clay material.

asbestos dust
type: Class
equivalent class: Class
  intersection of: fibrous dust
  intersection of: Restriction
    on property: derives from
    some values from: asbestos
subclass of: fibrous dust
subclass of: Restriction
  on property: derives from
  some values from: asbestos

cotton dust
type: Class
subclass of: dust from plant parts

dust from plant parts
type: Class
equivalent class: Class
  intersection of: dust
  intersection of: Restriction
    on property: derives from
    some values from: plant anatomical entity
subclass of: dust
subclass of: Restriction
  on property: derives from
  some values from: plant anatomical entity

fluid environmental material
type: Class
equivalent class: Class
  union of: gaseous environmental material
  union of: plasma
  union of: liquid environmental material
subclass of: environmental material
IAO_0000115: A liquid or a gas.
has narrow synonym: fluid

environmental system process
type: Class
equivalent class: Class
  intersection of: process
  intersection of: Restriction
    on property: has participant
    some values from: Class
      union of: environmental material
      union of: environmental system
      union of: astronomical body
      union of: astronomical object
      union of: astronomical body part
subclass of: process
subclass of: Restriction
  on property: has participant
  some values from: Class
    union of: environmental material
    union of: environmental system
    union of: astronomical body
    union of: astronomical object
    union of: astronomical body part
IAO_0000115: A process in which includes the components of an environmental system as participants.

desertification
type: Class
equivalent class: Class
  intersection of: land degradation
  intersection of: Restriction
    on property: has output
    some values from: desert area
subclass of: land degradation
subclass of: Restriction
  on property: has input
  some values from: Class
    complement of: Class
      union of: desert area
      union of: desert biome
subclass of: Restriction
  on property: has output
  some values from: desert area
IAO_0000115: A type of land degradation in which terrestrial ecosystem becomes increasingly dry, typically losing its bodies of water as well as vegetation and wildlife.

atmospheric process
type: Class
equivalent class: Class
  intersection of: environmental system process
  intersection of: Restriction
    on property: occurs in
    some values from: atmosphere
subclass of: environmental system process
subclass of: Restriction
  on property: occurs in
  some values from: atmosphere
IAO_0000115: A process which occurs within an atmosphere.

land degradation
type: Class
subclass of: ecosystem process
subclass of: Restriction
  on property: part of
  some values from: land consumption process
subclass of: Restriction
  on property: has participant
  some values from: terrestrial biome
subclass of: Restriction
  on property: has participant
  some values from: planetary landmass
IAO_0000115: A process which diminishes the functioning of an ecosystem located on land.

forest process
type: Class
equivalent class: Class
  intersection of: ecosystem process
  intersection of: Restriction
    on property: has participant
    some values from: forested area
subclass of: ecosystem process
subclass of: Restriction
  on property: has participant
  some values from: forested area

anthropogenic modulatory intervention process
type: Class
equivalent class: Class
  intersection of: planned process
  intersection of: Restriction
    on property: regulates (processual)
    some values from: environmental system process
  intersection of: Restriction
    on property: process has causal agent
    some values from: Homo sapiens
subclass of: planned process
subclass of: Restriction
  on property: regulates (processual)
  some values from: environmental system process
subclass of: Restriction
  on property: process has causal agent
  some values from: Homo sapiens
IAO_0000115: A process during which humans apply technology to alter the magnitude, duration, rate, or impact of an environmental process.

anthropogenic environmental process
type: Class
equivalent class: Class
  intersection of: environmental system process
  intersection of: Restriction
    on property: process has causal agent
    some values from: Homo sapiens
subclass of: environmental system process
subclass of: Restriction
  on property: process has causal agent
  some values from: Homo sapiens
IAO_0000115: An environmental process which is driven by the action of humans.

planetary erosion
type: Class
subclass of: erosion
IAO_0000115: An action of exogenic processes (such as water flow or wind) which remove environmental material from one part of a planet's crust, transporting it to another location where it is deposited.

hydrological process
type: Class
equivalent class: Class
  intersection of: environmental system process
  intersection of: Restriction
    on property: has participant
    some values from: Class
      union of: liquid water
      union of: water vapour
      union of: water ice
subclass of: environmental system process
subclass of: Restriction
  on property: has participant
  some values from: Class
    union of: water
    union of: water vapour
    union of: water ice
subclass of: Restriction
  on property: has participant
  some values from: Class
    union of: liquid water
    union of: water vapour
    union of: water ice
IAO_0000115: An environmental process which has water - in any of its states - as a participant.

compaction process
type: Class
subclass of: environmental system process
IAO_0000115: A physical process during which atoms, molecules, or other consituents of a material entity are forced closer together.

material accumulation process
type: Class
subclass of: environmental system process
subclass of: Restriction
  on property: during which ends
  some values from: Class
    union of: material transport process
    union of: material transformation process
subclass of: Restriction
  on property: has output
  some values from: Class
    intersection of: material entity
    intersection of: Restriction
      on property: has quality
      some values from: increased mass
IAO_0000115: A process during which the mass of one or more materials, present within a given site, increases.

material transport process
type: Class
subclass of: environmental system process
subclass of: Restriction
  on property: has output
  some values from: Class
    intersection of: material entity
    intersection of: Restriction
      on property: has quality
      some values from: displaced
IAO_0000115: A process during which material is displaced from its original location and transported either to a new location or back to the original location.

geographic basin
type: Class
subclass of: depression
subclass of: Restriction
  on property: overlaps
  some values from: planetary crust
IAO_0000115: A depression which is part of a planetary crust, is of geographic scale, and is partially or completely enclosed.

marine sediment
type: Class
equivalent class: Class
  union of: Class
    intersection of: sediment
    intersection of: Restriction
      on property: overlaps
      some values from: marine water body
  union of: Class
    intersection of: sediment
    intersection of: Restriction
      on property: adjacent to
      some values from: marine water body
subclass of: sediment
subclass of: Restriction
  on property: adjacent to
  some values from: marine water body
subclass of: Restriction
  on property: output of
  some values from: sedimentation in a water body
IAO_0000115: Sediment which has been transported through the marine water column, settling on the seafloor.
has exact synonym: marine sediments

sedimentation in a water body
type: Class
subclass of: material accumulation process
subclass of: Restriction
  on property: has part
  some values from: precipitation process
subclass of: Restriction
  on property: occurs in
  some values from: water body
subclass of: Restriction
  on property: has participant
  some values from: particulate matter
subclass of: Restriction
  on property: ends
  some values from: material transport process
IAO_0000115: A material accumulation process during which solid particles are pulled through a water body by gravitation or centrifugal force and which ends when they settle on a solid surface.

material transformation process
type: Class
subclass of: environmental system process
subclass of: Restriction
  on property: has input
  some values from: environmental material
subclass of: Restriction
  on property: has output
  some values from: environmental material
IAO_0000115: A process during which a portion of some environmental material is converted into a different material or a collection of materials.

desublimation of water vapour into ice
type: Class
subclass of: desublimation process
subclass of: hydrological process
subclass of: Restriction
  on property: has input
  some values from: liquid water
IAO_0000115: A desublimation process during which water vapour is frozen into water ice.

cryoform
type: Class
equivalent class: Class
  intersection of: solid astronomical body part
  intersection of: Restriction
    on property: composed primarily of
    some values from: Class
      union of: permafrost
      union of: water ice
      union of: snow
subclass of: solid astronomical body part
subclass of: Restriction
  on property: composed primarily of
  some values from: Class
    union of: permafrost
    union of: water ice
    union of: snow
IAO_0000115: A geographic feature which is primarily composed of a continuous mass of snow and/or ice.

snow mass
type: Class
equivalent class: Class
  intersection of: mass of compounded environmental materials
  intersection of: Restriction
    on property: composed primarily of
    some values from: snow
subclass of: glacial feature
subclass of: mass of compounded environmental materials
subclass of: Restriction
  on property: formed as result of
  some values from: snow accumulation process
subclass of: Restriction
  on property: composed primarily of
  some values from: snow
IAO_0000115: A mass of snow.
has broad synonym: accumulation of snow
has broad synonym: snow accumulation

snow crystal
type: Class
subclass of: water ice crystal
IAO_0000115: A water ice crystal which is constituted by water molecules aligned in a hexagonal array.
has broad synonym: snowflake

chemically contaminated sediment
type: Class
equivalent class: Class
  intersection of: sediment
  intersection of: Restriction
    on property: has increased levels of
    some values from: Class
      intersection of: chemical entity
      intersection of: Restriction
        on property: has role
        some values from: environmental contaminant
subclass of: chemically enriched sediment
subclass of: Restriction
  on property: has increased levels of
  some values from: Class
    intersection of: chemical entity
    intersection of: Restriction
      on property: has role
      some values from: environmental contaminant
IAO_0000115: Sediment which contains some chemical contaminant.

concentration of carbon dioxide in soil
type: Class
equivalent class: Class
  intersection of: concentration of
  intersection of: Restriction
    on property: inheres in
    some values from: Class
      intersection of: carbon dioxide
      intersection of: Restriction
        on property: part of
        some values from: soil
subclass of: concentration of
subclass of: Restriction
  on property: inheres in
  some values from: Class
    intersection of: carbon dioxide
    intersection of: Restriction
      on property: part of
      some values from: soil
IAO_0000115: The concentration of carbon dioxide when measured in soil.

concentration of carbon dioxide in air
type: Class
equivalent class: Class
  intersection of: concentration of
  intersection of: Restriction
    on property: inheres in
    some values from: Class
      intersection of: carbon dioxide
      intersection of: Restriction
        on property: part of
        some values from: air
subclass of: concentration of
subclass of: Restriction
  on property: inheres in
  some values from: Class
    intersection of: carbon dioxide
    intersection of: Restriction
      on property: part of
      some values from: air
IAO_0000115: The concentration of carbon dioxide when measured in air.

concentration of carbon dioxide in seawater
type: Class
equivalent class: Class
  intersection of: concentration of
  intersection of: Restriction
    on property: inheres in
    some values from: Class
      intersection of: carbon dioxide
      intersection of: Restriction
        on property: part of
        some values from: sea water
subclass of: concentration of
subclass of: Restriction
  on property: inheres in
  some values from: Class
    intersection of: carbon dioxide
    intersection of: Restriction
      on property: part of
      some values from: sea water
IAO_0000115: The concentration of carbon dioxide when measured in seawater.

soil surface layer
type: Class
equivalent class: Class
  intersection of: solid surface layer
  intersection of: Restriction
    on property: composed primarily of
    some values from: soil
subclass of: solid surface layer
subclass of: surface of an astronomical body
subclass of: Restriction
  on property: part of
  some values from: pedosphere
subclass of: Restriction
  on property: composed primarily of
  some values from: soil
IAO_0000115: A surface layer which is composed primarily of soil.

amount of carbon atom in environmental material
type: Class
equivalent class: Class
  intersection of: amount
  intersection of: Restriction
    on property: inheres in
    some values from: Class
      intersection of: carbon atom
      intersection of: Restriction
        on property: part of
        some values from: environmental material
subclass of: amount
subclass of: Restriction
  on property: inheres in
  some values from: Class
    intersection of: carbon atom
    intersection of: Restriction
      on property: part of
      some values from: environmental material
IAO_0000115: The amount of a carbon atom when measured in environmental material.
has exact synonym: environmental material carbon atom amount

amount of carbon atom in soil
type: Class
equivalent class: Class
  intersection of: amount
  intersection of: Restriction
    on property: inheres in
    some values from: Class
      intersection of: carbon atom
      intersection of: Restriction
        on property: part of
        some values from: soil
subclass of: amount of carbon atom in environmental material
subclass of: Restriction
  on property: inheres in
  some values from: Class
    intersection of: carbon atom
    intersection of: Restriction
      on property: part of
      some values from: soil
IAO_0000115: The amount of a carbon atom when measured in soil.
has exact synonym: soil carbon atom amount

amount of carbon atom in water
type: Class
equivalent class: Class
  intersection of: amount
  intersection of: Restriction
    on property: inheres in
    some values from: Class
      intersection of: carbon atom
      intersection of: Restriction
        on property: part of
        some values from: liquid water
subclass of: amount of carbon atom in environmental material
subclass of: Restriction
  on property: inheres in
  some values from: Class
    intersection of: carbon atom
    intersection of: Restriction
      on property: part of
      some values from: liquid water
IAO_0000115: The amount of a carbon atom when measured in water.
has exact synonym: water carbon atom amount

concentration of carbon atom in environmental material
type: Class
equivalent class: Class
  intersection of: concentration of
  intersection of: Restriction
    on property: inheres in
    some values from: Class
      intersection of: carbon atom
      intersection of: Restriction
        on property: part of
        some values from: environmental material
subclass of: concentration of
subclass of: Restriction
  on property: inheres in
  some values from: Class
    intersection of: carbon atom
    intersection of: Restriction
      on property: part of
      some values from: environmental material
IAO_0000115: The concentration of a carbon atom when measured in environmental material.
has exact synonym: environmental material carbon atom concentration

concentration of carbon atom in soil
type: Class
equivalent class: Class
  intersection of: concentration of
  intersection of: Restriction
    on property: inheres in
    some values from: Class
      intersection of: carbon atom
      intersection of: Restriction
        on property: part of
        some values from: soil
subclass of: concentration of carbon atom in environmental material
subclass of: Restriction
  on property: inheres in
  some values from: Class
    intersection of: carbon atom
    intersection of: Restriction
      on property: part of
      some values from: soil
IAO_0000115: The concentration of a carbon atom when measured in soil.
has exact synonym: soil carbon atom concentration

concentration of carbon atom in water
type: Class
equivalent class: Class
  intersection of: concentration of
  intersection of: Restriction
    on property: inheres in
    some values from: Class
      intersection of: carbon atom
      intersection of: Restriction
        on property: part of
        some values from: liquid water
subclass of: concentration of carbon atom in environmental material
subclass of: Restriction
  on property: inheres in
  some values from: Class
    intersection of: carbon atom
    intersection of: Restriction
      on property: part of
      some values from: liquid water
IAO_0000115: The concentration of a carbon atom when measured in water.
has exact synonym: water carbon atom concentration

amount of nitrogen atom in environmental material
type: Class
equivalent class: Class
  intersection of: amount
  intersection of: Restriction
    on property: inheres in
    some values from: Class
      intersection of: nitrogen atom
      intersection of: Restriction
        on property: part of
        some values from: environmental material
subclass of: amount
subclass of: Restriction
  on property: inheres in
  some values from: Class
    intersection of: nitrogen atom
    intersection of: Restriction
      on property: part of
      some values from: environmental material
IAO_0000115: The amount of a nitrogen atom when measured in environmental material.
has exact synonym: environmental material nitrogen atom amount

amount of nitrogen atom in soil
type: Class
equivalent class: Class
  intersection of: amount
  intersection of: Restriction
    on property: inheres in
    some values from: Class
      intersection of: nitrogen atom
      intersection of: Restriction
        on property: part of
        some values from: soil
subclass of: amount of nitrogen atom in environmental material
subclass of: Restriction
  on property: inheres in
  some values from: Class
    intersection of: nitrogen atom
    intersection of: Restriction
      on property: part of
      some values from: soil
IAO_0000115: The amount of a nitrogen atom when measured in soil.
has exact synonym: soil nitrogen atom amount

amount of nitrogen atom in water
type: Class
equivalent class: Class
  intersection of: amount
  intersection of: Restriction
    on property: inheres in
    some values from: Class
      intersection of: nitrogen atom
      intersection of: Restriction
        on property: part of
        some values from: liquid water
subclass of: amount of nitrogen atom in environmental material
subclass of: Restriction
  on property: inheres in
  some values from: Class
    intersection of: nitrogen atom
    intersection of: Restriction
      on property: part of
      some values from: liquid water
IAO_0000115: The amount of a nitrogen atom when measured in water.
has exact synonym: water nitrogen atom amount

concentration of nitrogen atom in environmental material
type: Class
equivalent class: Class
  intersection of: concentration of
  intersection of: Restriction
    on property: inheres in
    some values from: Class
      intersection of: nitrogen atom
      intersection of: Restriction
        on property: part of
        some values from: environmental material
subclass of: concentration of
subclass of: Restriction
  on property: inheres in
  some values from: Class
    intersection of: nitrogen atom
    intersection of: Restriction
      on property: part of
      some values from: environmental material
IAO_0000115: The concentration of a nitrogen atom when measured in environmental material.
has exact synonym: environmental material nitrogen atom concentration

concentration of nitrogen atom in soil
type: Class
equivalent class: Class
  intersection of: concentration of
  intersection of: Restriction
    on property: inheres in
    some values from: Class
      intersection of: nitrogen atom
      intersection of: Restriction
        on property: part of
        some values from: soil
subclass of: concentration of nitrogen atom in environmental material
subclass of: Restriction
  on property: inheres in
  some values from: Class
    intersection of: nitrogen atom
    intersection of: Restriction
      on property: part of
      some values from: soil
IAO_0000115: The concentration of a nitrogen atom when measured in soil.
has exact synonym: soil nitrogen atom concentration

concentration of nitrogen atom in water
type: Class
equivalent class: Class
  intersection of: concentration of
  intersection of: Restriction
    on property: inheres in
    some values from: Class
      intersection of: nitrogen atom
      intersection of: Restriction
        on property: part of
        some values from: liquid water
subclass of: concentration of nitrogen atom in environmental material
subclass of: Restriction
  on property: inheres in
  some values from: Class
    intersection of: nitrogen atom
    intersection of: Restriction
      on property: part of
      some values from: liquid water
IAO_0000115: The concentration of a nitrogen atom when measured in water.
has exact synonym: water nitrogen atom concentration

concentration of chloride in water
type: Class
equivalent class: Class
  intersection of: concentration of
  intersection of: Restriction
    on property: inheres in
    some values from: Class
      intersection of: chloride
      intersection of: Restriction
        on property: part of
        some values from: liquid water
subclass of: concentration of
subclass of: Restriction
  on property: inheres in
  some values from: Class
    intersection of: chloride
    intersection of: Restriction
      on property: part of
      some values from: liquid water
IAO_0000115: The concentration of a chloride when measured in water.
has exact synonym: water chloride concentration

temperature of environmental material
type: Class
equivalent class: Class
  intersection of: temperature
  intersection of: Restriction
    on property: inheres in
    some values from: environmental material
subclass of: temperature
subclass of: Restriction
  on property: inheres in
  some values from: environmental material
IAO_0000115: The temperature of some environmental material.
has exact synonym: environmental material temperature

temperature of air
type: Class
equivalent class: Class
  intersection of: temperature
  intersection of: Restriction
    on property: inheres in
    some values from: air
subclass of: temperature of environmental material
subclass of: Restriction
  on property: inheres in
  some values from: air
IAO_0000115: The temperature of some air.
has exact synonym: air temperature

environmental system process quality
type: Class
equivalent class: Class
  intersection of: process quality
  intersection of: Restriction
    on property: inheres in
    some values from: environmental system process
subclass of: process quality
subclass of: Restriction
  on property: inheres in
  some values from: environmental system process
IAO_0000115: The quality of a environmental system process.
has exact synonym: quality of environmental system process

porosity of soil
type: Class
equivalent class: Class
  intersection of: porosity
  intersection of: Restriction
    on property: inheres in
    some values from: soil
subclass of: structure of soil
subclass of: porosity
IAO_0000115: The porosity of some soil.
has exact synonym: soil porosity

composition of soil
type: Class
equivalent class: Class
  intersection of: composition
  intersection of: Restriction
    on property: inheres in
    some values from: soil
subclass of: structure of soil
subclass of: composition
IAO_0000115: The composition of some soil.
has exact synonym: soil composition

structure of soil
type: Class
equivalent class: Class
  intersection of: structure
  intersection of: Restriction
    on property: inheres in
    some values from: soil
subclass of: structure
subclass of: Restriction
  on property: inheres in
  some values from: soil
IAO_0000115: The structure of some soil.
has exact synonym: soil structure

pressure of air
type: Class
equivalent class: Class
  intersection of: pressure
  intersection of: Restriction
    on property: inheres in
    some values from: air
subclass of: pressure
subclass of: Restriction
  on property: inheres in
  some values from: air
IAO_0000115: The pressure of some air.
has exact synonym: air pressure

temperature of soil
type: Class
equivalent class: Class
  intersection of: temperature
  intersection of: Restriction
    on property: inheres in
    some values from: soil
subclass of: temperature of environmental material
subclass of: Restriction
  on property: inheres in
  some values from: soil
IAO_0000115: The temperature of some soil.
has exact synonym: soil temperature

wetness of soil
type: Class
equivalent class: Class
  intersection of: wetness
  intersection of: Restriction
    on property: inheres in
    some values from: soil
subclass of: wetness
subclass of: Restriction
  on property: inheres in
  some values from: soil
IAO_0000115: The wetness of some soil.
has exact synonym: soil wetness

temperature of water
type: Class
equivalent class: Class
  intersection of: temperature
  intersection of: Restriction
    on property: inheres in
    some values from: liquid water
subclass of: temperature of environmental material
subclass of: Restriction
  on property: inheres in
  some values from: liquid water
IAO_0000115: The temperature of some water.
has exact synonym: water temperature

composition of water
type: Class
equivalent class: Class
  intersection of: composition
  intersection of: Restriction
    on property: inheres in
    some values from: liquid water
subclass of: composition
subclass of: Restriction
  on property: inheres in
  some values from: liquid water
IAO_0000115: The composition of some water.
has exact synonym: water composition

hydrocarbon-based environmental material
type: Class
equivalent class: Class
  intersection of: environmental material
  intersection of: Restriction
    on property: composed primarily of
    some values from: hydrocarbon
subclass of: environmental material
subclass of: Restriction
  on property: bearer of
  some values from: combustibility
subclass of: Restriction
  on property: has role
  some values from: fuel
subclass of: Restriction
  on property: composed primarily of
  some values from: hydrocarbon

anatomical entity environment
type: Class
equivalent class: Class
  intersection of: environmental system
  intersection of: Restriction
    on property: determined by part of
    some values from: anatomical entity
subclass of: environmental system
subclass of: Restriction
  on property: part of
  some values from: environmental system determined by an organism
subclass of: Restriction
  on property: determined by part of
  some values from: anatomical entity
IAO_0000115: An environment which is determined by an anatomical entity.

visible spectrum radiation
type: Class
subclass of: electromagnetic radiation
IAO_0000115: A radiation process during which electromagnetic waves or their quanta are emitted at wavelengths between 380 nm and 760 nm.
has exact synonym: optical radiation
has related synonym: visible light

ultraviolet radiation
type: Class
subclass of: electromagnetic radiation
IAO_0000115: A radiation process during which electromagnetic waves or their quanta are emitted at wavelengths between 10 nm and 400 nm.
has exact synonym: UV radiation

concentration of dioxygen in liquid water
type: Class
equivalent class: Class
  intersection of: concentration of
  intersection of: Restriction
    on property: inheres in
    some values from: Class
      intersection of: dioxygen
      intersection of: Restriction
        on property: part of
        some values from: liquid water
subclass of: concentration of
subclass of: Restriction
  on property: inheres in
  some values from: Class
    intersection of: dioxygen
    intersection of: Restriction
      on property: part of
      some values from: liquid water
IAO_0000115: The concentration of dioxygen when measured in liquid water.
has exact synonym: liquid water dioxygen concentration

pressure of water
type: Class
equivalent class: Class
  intersection of: pressure
  intersection of: Restriction
    on property: inheres in
    some values from: liquid water
subclass of: pressure
subclass of: Restriction
  on property: inheres in
  some values from: liquid water
IAO_0000115: The pressure of some water.
has exact synonym: water pressure

biological_process
type: Class
subclass of: process
IAO_0000115: A biological process represents a specific objective that the organism is genetically programmed to achieve. Biological processes are often described by their outcome or ending state, e.g., the biological process of cell division results in the creation of two daughter cells (a divided cell) from a single parent cell. A biological process is accomplished by a particular set of molecular functions carried out by specific gene products (or macromolecular complexes), often in a highly regulated manner and in a particular temporal sequence.
has exact synonym: biological process
has exact synonym: physiological process
has related synonym: single organism process
has related synonym: single-organism process

root
type: Class
subclass of: material entity
has related synonym: all

Viruses
type: Class
subclass of: organism

Teleostomi
type: Class
subclass of: Gnathostomata <vertebrates>

Euteleostomi
type: Class
subclass of: Teleostomi
has exact synonym: bony vertebrates

cellular organisms
type: Class
subclass of: root
has related synonym: biota

Dipnotetrapodomorpha
type: Class
subclass of: Sarcopterygii

Boreoeutheria
type: Class
subclass of: Eutheria
has related synonym: Boreotheria

Bacteria
type: Class
subclass of: cellular organisms
subclass of: organism
has exact synonym: eubacteria
has related synonym: Monera
has related synonym: Procaryotae
has related synonym: Prokaryota
has related synonym: Prokaryotae
has related synonym: bacteria
has related synonym: prokaryote
has related synonym: prokaryotes

Homininae
type: Class
subclass of: Hominidae
has related synonym: Homo/Pan/Gorilla group

Archaea
type: Class
subclass of: organism

Eukaryota
type: Class
subclass of: cellular organisms
subclass of: organism
has exact synonym: eucaryotes
has exact synonym: eukaryotes
has related synonym: Eucarya
has related synonym: Eucaryotae
has related synonym: Eukarya
has related synonym: Eukaryotae
has related synonym: eukaryotes

Euarchontoglires
type: Class
subclass of: Boreoeutheria

Simiiformes
type: Class
subclass of: Haplorrhini
has related synonym: Anthropoidea

Hominoidea
type: Class
subclass of: Catarrhini
has exact synonym: ape
has exact synonym: apes

Tetrapoda
type: Class
subclass of: Dipnotetrapodomorpha
has exact synonym: tetrapods

Amniota
type: Class
subclass of: Tetrapoda
has exact synonym: amniotes

Theria <mammals>
type: Class
subclass of: Mammalia
has exact synonym: Theria

Viridiplantae
type: Class
subclass of: Eukaryota
has exact synonym: Chlorophyta/Embryophyta group
has exact synonym: chlorophyte/embryophyte group
has exact synonym: green plants
has related synonym: Chlorobionta
has related synonym: Chloroplastida
has related synonym: green plants

Opisthokonta
type: Class
subclass of: Eukaryota
has related synonym: Fungi/Metazoa group
has related synonym: opisthokonts

Metazoa
type: Class
subclass of: Opisthokonta
has exact synonym: metazoans
has exact synonym: multicellular animals
has related synonym: Animalia
has related synonym: animals

Bilateria
type: Class
subclass of: Eumetazoa

Deuterostomia
type: Class
subclass of: Bilateria
has exact synonym: deuterostomes

Haplorrhini
type: Class
subclass of: Primates

Mammalia
type: Class
subclass of: Amniota
has exact synonym: mammals
has related synonym: mammals

Eumetazoa
type: Class
subclass of: Metazoa

Chordata
type: Class
subclass of: Deuterostomia
has exact synonym: chordates
has related synonym: chordates

Vertebrata <vertebrates>
type: Class
subclass of: Craniata <chordates>
has exact synonym: Vertebrata
has exact synonym: vertebrates
has related synonym: vertebrates

Gnathostomata <vertebrates>
type: Class
subclass of: Vertebrata <vertebrates>
has exact synonym: Gnathostomata
has exact synonym: jawed vertebrates

Sarcopterygii
type: Class
subclass of: Euteleostomi

Craniata <chordates>
type: Class
subclass of: Chordata
has exact synonym: Craniata

Eutheria
type: Class
subclass of: Theria <mammals>
has exact synonym: eutherian mammals
has exact synonym: placental mammals
has exact synonym: placentals
has related synonym: Placentalia
has related synonym: placentals

Primates
type: Class
subclass of: Euarchontoglires
has exact synonym: primate
has related synonym: Primata
has related synonym: primates

Catarrhini
type: Class
subclass of: Simiiformes

Hominidae
type: Class
subclass of: Hominoidea
has exact synonym: great apes
has related synonym: Pongidae

Homo
type: Class
subclass of: Homininae
has exact synonym: humans

Homo sapiens
type: Class
subclass of: Homo
has exact synonym: human
has exact synonym: man

planned process
type: Class
subclass of: process
IAO_0000115: A process that realizes a plan which is the concretization of a plan specification.

organism
type: Class
equivalent class: Class
  union of: Viruses
  union of: Bacteria
  union of: Archaea
  union of: Eukaryota
subclass of: material entity
IAO_0000115: A material entity that is an individual living system, such as animal, plant, bacteria or virus, that is capable of replicating or reproducing, growth and maintenance in the right environment. An organism may be unicellular or made up, like humans, of many billions of cells divided into specialized tissues and organs.

quality
type: Class
subclass of: specifically dependent continuant
IAO_0000115: A dependent entity that inheres in a bearer by virtue of how the bearer is related to other entities

composition
type: Class
subclass of: structure
IAO_0000115: A single physical entity inhering in an bearer by virtue of the bearer's quantities or relative ratios of subparts.
has exact synonym: composed of
has exact synonym: compositionality
has exact synonym: content
has exact synonym: structure, composition

concentration of
type: Class
subclass of: molecular quality
IAO_0000115: A quality inhering in a substance by virtue of the amount of the bearer's there is mixed with another substance.
has exact synonym: concentration

hardness
type: Class
subclass of: quality of a solid
IAO_0000115: A physical quality inhering in a bearer by virtue of the bearer's resistance to pressure, being broken, or pierced
has related synonym: impenetrability
has related synonym: toughness

morphology
type: Class
subclass of: physical object quality
IAO_0000115: A quality of a single physical entity inhering in the bearer by virtue of the bearer's size or shape or structure.

shape
type: Class
subclass of: morphology
IAO_0000115: A morphological quality inhering in a bearer by virtue of the bearer's ratios of distances between its features (points, edges, surfaces and also holes etc).
has exact synonym: relational shape quality

qualitative
type: Class
subclass of: quality

deviation (from_normal)
type: Class
subclass of: qualitative
IAO_0000115: A quality inhering in a bearer by virtue of the whether the bearer differs from normal or average.

amount
type: Class
subclass of: qualitative
IAO_0000115: The number of entities of this type that are part of the whole organism.
has exact synonym: presence or absence in organism
has exact synonym: quantitative
has related synonym: count in organism
has related synonym: number
has related synonym: presence

size
type: Class
subclass of: morphology
IAO_0000115: A morphology quality inhering in a bearer by virtue of the bearer's physical magnitude.

mass
type: Class
subclass of: physical quality
IAO_0000115: A physical quality that inheres in a bearer by virtue of the proportion of the bearer's amount of matter.

position
type: Class
subclass of: physical quality
IAO_0000115: A spatial quality inhering in a bearer by virtue of the bearer's spatial location relative to other objects in the vicinity.
has exact synonym: location
has exact synonym: placement
has exact synonym: relational spatial quality

structure
type: Class
subclass of: morphology
IAO_0000115: A morphology quality inhering in a bearer by virtue of the bearer's relative position, shape, arrangements and connectivity of an organism's various parts; the pattern underlying its form.
has broad synonym: conformation
has exact synonym: relational structural quality

temperature
type: Class
subclass of: physical quality
IAO_0000115: A physical quality of the thermal energy of a system.

hard
type: Class
subclass of: hardness
subclass of: increased object quality
IAO_0000115: A hardness quality of being rigid and resistant to pressure.
has related synonym: firm
has related synonym: impenetrable
has related synonym: tough

decreased size
type: Class
subclass of: size
subclass of: decreased object quality
IAO_0000115: A size quality which is relatively low.
has narrow synonym: hypoplasia
has narrow synonym: underdeveloped
has related synonym: reduced
has related synonym: small
has related synonym: tiny

opacity
type: Class
subclass of: optical quality
IAO_0000115: An optical quality which obtains by virtue of the ability of the bearer to absorb visible light.

opaque
type: Class
subclass of: opacity
IAO_0000115: A optical quality inhering in a bearer by virtue of the bearer's not being clear; not transmitting or reflecting light or radiant energy.
has exact synonym: non-transparent
has related synonym: clouding
has related synonym: cloudy

porosity
type: Class
subclass of: structure
IAO_0000115: A structure quality inhering in a bearer by virtue of the bearer's disposition to admit the passage of gas or liquid through pores or interstices.

porous
type: Class
subclass of: porosity
IAO_0000115: A porosity quality inhering in a bearer by virtue of the bearer's being capable of admitting the passage of gas or liquid through pores or interstices.

viscosity
type: Class
subclass of: quality of a liquid
IAO_0000115: A physical quality of a liquid inhering in a bearer by virtue of the bearer's disposition to internal resistance to flow.

viscous
type: Class
subclass of: viscosity
IAO_0000115: A viscosity quality inhering in a bearer by virtue of the bearer's having viscosity.

physical quality
type: Class
subclass of: physical object quality
IAO_0000115: A quality of a physical entity that exists through action of continuants at the physical level of organisation in relation to other entities.
has exact synonym: relational physical quality

pressure
type: Class
subclass of: physical quality
IAO_0000115: A physical quality that inheres in a bearer by virtue of the bearer's amount of force per unit area it exerts.

elongated
type: Class
subclass of: shape
IAO_0000115: A quality inhering in a bearer by virtue of the bearer's length being notably higher than its width.

process quality
type: Class
subclass of: quality
disjoint with: physical object quality
IAO_0000115: A quality which inheres in an process.
has exact synonym: quality of a process
has exact synonym: quality of occurrent
has exact synonym: quality of process
has exact synonym: relational quality of occurrent

physical object quality
type: Class
subclass of: quality
IAO_0000115: A quality which inheres in a continuant.
has exact synonym: monadic quality of a continuant
has exact synonym: multiply inhering quality of a physical entity
has exact synonym: quality of a continuant
has exact synonym: quality of a single physical entity
has exact synonym: quality of an object
has exact synonym: quality of continuant
has narrow synonym: monadic quality of an object
has narrow synonym: monadic quality of continuant

electromagnetic (EM) radiation quality
type: Class
subclass of: radiation quality
IAO_0000115: A physical quality that inheres in an bearer by virtue of how that bearer interacts with electromagnetic radiation.

optical quality
type: Class
subclass of: electromagnetic (EM) radiation quality
IAO_0000115: An EM radiation quality in which the EM radiation is within the fiat range of the spectrum visible deemed to be light.

increased temperature
type: Class
subclass of: temperature
subclass of: increased object quality
IAO_0000115: A temperature which is relatively high.
has exact synonym: high temperature
has exact synonym: hot

decreased temperature
type: Class
subclass of: temperature
subclass of: decreased object quality
IAO_0000115: A temperature which is relatively low.
has exact synonym: cold
has exact synonym: low temperature

amorphous
type: Class
subclass of: morphology
IAO_0000115: A morphology quality inhering in a bearer by virtue of the bearer's lack of distinct morphology.

structured
type: Class
subclass of: structure
IAO_0000115: A structural quality inhering in a bearer by virtue of the bearer's having distinct structure.

unstructured
type: Class
subclass of: structure
IAO_0000115: A structural quality inhering in a bearer by virtue of the bearer's lacking distinct structure.

increased position
type: Class
subclass of: position
subclass of: increased object quality
IAO_0000115: A position which is relatively high.
has related synonym: high position

decreased position
type: Class
subclass of: position
subclass of: decreased object quality
IAO_0000115: A positional which is relatively low.
has related synonym: low position

sloped
type: Class
subclass of: shape
IAO_0000115: A shape quality inhering in a bearer by virtue of the bearer's having an oblique or slanted direction.

flexibility
type: Class
subclass of: quality of a solid
IAO_0000115: A physical quality inhering in a bearer by virtue of the bearer's disposition to being turned, bowed, or twisted without breaking.

inflexible
type: Class
subclass of: flexibility
IAO_0000115: A physical quality inhering in a bearer by virtue of the bearer's inability of being turned, bowed, or twisted without breaking.
has exact synonym: stiff
has related synonym: stiffness

quality of a solid
type: Class
subclass of: quality of a substance
IAO_0000115: A physical quality inhering in a bearer by virtue of the bearer's exhibiting the physical characteristics of an entity characterized by particles arranged such that their shape and volume are relatively stable.
has exact synonym: solidity

quality of a gas
type: Class
subclass of: quality of a substance
IAO_0000115: A physical quality inhering in a bearer by virtue of the bearer's exhibiting the physical characteristics of an entity consisting of particles that have neither a defined volume nor defined shape.
has exact synonym: gaseous

quality of a liquid
type: Class
subclass of: quality of a substance
IAO_0000115: A physical quality inhering in an entity exhibiting the physical characteristics of an amorphous (non-crystalline) form of matter between a gas and a solid that has a definite volume, but no definite shape.
has exact synonym: liquidity

increased mass
type: Class
subclass of: mass
subclass of: increased object quality
IAO_0000115: A mass which is higher than normal or average.
has exact synonym: high mass
has exact synonym: large mass

increased pressure
type: Class
subclass of: pressure
subclass of: increased object quality
IAO_0000115: A pressure which is relatively high.
has exact synonym: high pressure

osmolarity
type: Class
subclass of: concentration of
IAO_0000115: A concentration quality inhering in a bearer by virtue of the bearer's amount of osmoles of solute per liter of solution.

increased osmolarity
type: Class
subclass of: osmolarity
subclass of: increased object quality
IAO_0000115: A osmolarity which is relatively high.
has exact synonym: high osmolarity

elevation
type: Class
subclass of: position
IAO_0000115: A positional quality inhering in a bearer by virtue of the bearer's vertical distance of a point above or below a reference surface.

increased elevation
type: Class
subclass of: increased position
subclass of: elevation
IAO_0000115: An elevation which is relatively high.
has exact synonym: high elevation
has related synonym: elevated

decreased elevation
type: Class
subclass of: decreased position
subclass of: elevation
IAO_0000115: An elevation which is relatively low.
has exact synonym: low elevation

increased viscosity
type: Class
subclass of: viscous
subclass of: increased object quality
IAO_0000115: A viscosity which relatively high.
has exact synonym: high viscosity

radiation quality
type: Class
subclass of: physical quality
subclass of: Restriction
  on property: inheres in
  some values from: Class
    intersection of: continuant
    intersection of: Restriction
      on property: participates in
      some values from: radiation
IAO_0000115: A quality that inheres in an bearer by virtue of how that bearer interacts with radiation.

granular
type: Class
subclass of: composition
IAO_0000115: A composition quality inhering in a bearer by virtue of the bearer's containing granules.

wetness
type: Class
subclass of: physical quality
IAO_0000115: A quality inhering in a bearer by virtue of whether the bearer's being covered by a liquid.

dry
type: Class
subclass of: wetness
IAO_0000115: A wetness quality inhering in a bearer by virtue of the bearer's not being covered by a liquid.

frozen
type: Class
subclass of: temperature
IAO_0000115: A quality inhering in a bearer by virtue of the bearer's being kept below its freezing point.

laminar
type: Class
subclass of: structure
IAO_0000115: A quality inhering in a bearer by virtue of the bearer's processing the form of a thin plate sheet or layer.

sloped downward
type: Class
subclass of: sloped

displaced
type: Class
subclass of: position
IAO_0000115: A positional quality inhering in a bearer by virtue the bearer's being changed in position.

molecular quality
type: Class
subclass of: physical object quality
IAO_0000115: A quality which inheres in a molecular entity, a single molecule, atom, ion, radical etc.
has exact synonym: relational molecular quality

quality of a substance
type: Class
subclass of: physical quality
IAO_0000115: A quality inhering in a bearer by virtue of its constitution.

increased quality
type: Class
subclass of: deviation (from_normal)
IAO_0000115: A quality that has a value that is increased compared to normal or average.

decreased quality
type: Class
subclass of: deviation (from_normal)
IAO_0000115: A quality that has a value that is decreased compared to normal or average.

decreased object quality
type: Class
subclass of: physical object quality
subclass of: decreased quality
IAO_0000115: A quality of an object that has a value that is decreased compared to normal or average.

increased object quality
type: Class
subclass of: physical object quality
subclass of: increased quality
IAO_0000115: A quality of an object that has a value that is increased compared to normal or average.

combustibility
type: Class
subclass of: physical quality
IAO_0000115: The propensity of a material to undergo combustion. Combustion encompasses smouldering and flaming combustion. Combustibility is usually applied to solids.

increased combustibility
type: Class
subclass of: increased object quality
subclass of: combustibility
IAO_0000115: An increase in combustibility.
has exact synonym: combustible

collection of organisms
type: Class
subclass of: organismal entity
IAO_0000115: A material entity that consists of two or more organisms, viruses, or viroids.

population of organisms
type: Class
subclass of: single-species collection of organisms
subclass of: Restriction
  on property: has habitat
  some values from: habitat
IAO_0000115: A collection of organisms, all of the same species, that live in the same place.

ecological community
type: Class
subclass of: multi-species collection of organisms
IAO_0000115: A multi-species collection of organisms of at least two different species, living in a particular area. Must have at least two populations of different species as members.

single-species collection of organisms
type: Class
subclass of: collection of organisms
IAO_0000115: A material entity that has as parts two or more organisms, viruses, or viroids of the same species and no members of any other species.

multi-species collection of organisms
type: Class
subclass of: collection of organisms
IAO_0000115: A collection of organisms that consists of two or more organisms from at least two species.

organismal entity
type: Class
IAO_0000115: A material entity that is one or more organisms, viruses or viroids.

whole plant
type: Class
subclass of: plant structure
IAO_0000115: A plant structure (PO:0005679) which is a whole organism.
has broad synonym: genet (broad)
has broad synonym: ramet (broad)
has exact synonym: planta entera (Spanish, exact)
has exact synonym: 植物体全体 (Japanese, exact)
has narrow synonym: bush (narrow)
has narrow synonym: frutex (narrow)
has narrow synonym: frutices (narrow)
has narrow synonym: gametophyte (narrow)
has narrow synonym: herb (narrow)
has narrow synonym: liana (narrow)
has narrow synonym: prothalli (narrow)
has narrow synonym: prothallium (narrow)
has narrow synonym: prothallus (narrow)
has narrow synonym: seedling (narrow)
has narrow synonym: shrub (narrow)
has narrow synonym: sporophyte (narrow)
has narrow synonym: suffrutex (narrow)
has narrow synonym: suffrutices (narrow)
has narrow synonym: tree (narrow)
has narrow synonym: vine (narrow)
has narrow synonym: woody clump (narrow)
has related synonym: clonal colony (related)
has related synonym: colony (related)

plant structure
type: Class
subclass of: plant anatomical entity
IAO_0000115: A plant anatomical entity (PO:0025131) that is, or was, part of a plant, or was derived from a part of a plant.
has exact synonym: estructura vegetal (Spanish, exact)
has exact synonym: 植物 構造 (Japanese, exact)

plant anatomical entity
type: Class
subclass of: material entity
subclass of: Restriction
  on property: RO_0002160
  some values from: Viridiplantae
IAO_0000115: An anatomical entity that is or was part of a plant.
has exact synonym: entidad anat&#243mica vegetal (Spanish, exact)
has exact synonym: 植物 解剖学（形態）的実体 (Japanese, exact)

system
type: Class
subclass of: material entity
IAO_0000115: A material entity consisting of multiple components that are causally integrated.

anatomical entity
type: Class
subclass of: independent continuant
IAO_0000115: Biological entity that is either an individual member of a biological species or constitutes the structural organization of an individual member of a biological species.