MEO: Metagenome/Microbes Environmental Ontology
type: Ontology
imports: http://purl.org/dc/elements/1.1/
creator: Hiroshi Mori
version info: Version 0.3
description: An ontology for describing organismal habitats (especially focused on microbes)

underground water
type: Class
subclass of: water

water
type: Class
definition: The liquid form of dihydrogen monoxide.
subclass of: hydrosphere

wood
type: Class
subclass of: organic material

organic material
type: Class
definition: Environmental material characteristic of, pertaining to, or derived from living organisms.
subclass of: organism association

saliva
type: Class
definition: Saliva is a slightly alkaline secretion of water, mucin, protein, salts, and often a starch-splitting enzyme (as ptyalin) that is secreted into the mouth by salivary glands, lubricates ingested food, and often begins the breakdown of starches.
subclass of: bodily fluid

bodily fluid
type: Class
definition: A natural bodily fluid or secretion such as blood, semen, saliva, blood plasma, intracellular and interstitial fluids.
subclass of: organic material

limestone
type: Class
definition: A sedimentary rock composed largely of the mineral calcite.
subclass of: rock

rock
type: Class
definition: A mass of the mineral material of the crust of the Earth.
subclass of: geosphere

saline water habitat
type: Class
definition: A habitat that is in or on a body of water containing medium to high concentrations of dissolved salts and other total dissolved solids (>=0.5 grams dissolved salts per litre).
subclass of: aquatic habitat

aquatic habitat
type: Class
definition: A habitat that is in or on water.
subclass of: hydrosphere

saline water
type: Class
subclass of: water

sea
type: Class
definition: A large expanse of saline water usually connected with an ocean.
subclass of: hydrosphere

hydrosphere
type: Class
definition: water associated environment
subclass of: Thing

hydrothermal fluid
type: Class
definition: High temperature water ejected from hydrothermal vents and laden with dissolved metals and minerals as a result of percolation through crustal rocks.
subclass of: leachate

leachate
type: Class
definition: The liquid produced when water percolates through any permeable material. It can contain either dissolved or suspended material, or usually both.
subclass of: water

milk
type: Class
definition: An opague white dairy product produced by the mammary glands of female mammals.
subclass of: dairy product

dairy product
type: Class
definition: Food made from milk.
subclass of: food product

ridge
type: Class
definition: A long and narrow upland with steep sides.
subclass of: geosphere

geosphere
type: Class
definition: terrestrial related environment
subclass of: Thing

plant-associated habitat
type: Class
definition: A habitat that is in or on a living plant. Here plant denotes an individual of a species that is a sub-taxon of NCBITaxon:33090 (viridiplantae).
subclass of: organism-associated habitat

organism-associated habitat
type: Class
definition: A habitat that is in or on a living thing.
subclass of: organism association

mine drainage
type: Class
definition: The outflow of water from a mine.
subclass of: water course

water course
type: Class
subclass of: hydrosphere

red wine
type: Class
subclass of: wine

wine
type: Class
subclass of: fermented food product

sphagnum bog
type: Class
definition: A peatland dominated by species of the Bryophyte Sphagnum.
subclass of: wetland

wetland
type: Class
subclass of: geosphere
definition: An area that is inundated or saturated by surface or ground water at a frequency and duration sufficient to support, and that under normal circumstances do support, a prevalence of vegetation typically adapted for life in saturated soil conditions.

marine reef
type: Class
subclass of: marine benthic feature

marine benthic feature
type: Class
definition: A prominent or distinctive aspect, quality, or characteristic of environments occurring on or along marine benthic environments.
subclass of: marine feature

anthrosol
type: Class
definition: Anthrosols comprise soils that have been modified profoundly through human activities, such as addition of organic materials or household wastes, irrigation and cultivation.
subclass of: soil

soil
type: Class
definition: Any material within 2 m from the Earth's surface that is in contact with the atmosphere, with the exclusion of living organisms, areas with continuous ice not covered by other material, and water bodies deeper than 2 m.
subclass of: geosphere

arboreal habitat
type: Class
definition: A habitat in or on trees.
subclass of: organism association

organism association
type: Class
subclass of: Thing
definition: related to organism (e.g., symbiosis, parasitism)

ice mass
type: Class
definition: Fields of ice, formed in regions of perennial frost.
subclass of: glacial feature

glacial feature
type: Class
definition: A hydrographic feature characterized by the dominance of snow or ice.
subclass of: hydrosphere

aquatic biome
type: Class
subclass of: hydrosphere

organ
type: Class
definition: A collection of tissues joined in structural unit to serve a common function.
subclass of: organic feature

organic feature
type: Class
definition: A prominent or distinctive aspect, quality, or characteristic pertaining to or derived from living organisms.
subclass of: organism association

terrestrial habitat
type: Class
definition: A habitat that is on or at the boundary of the surface of the Earth.
subclass of: geosphere

coastal inlet
type: Class
definition: An opening of the sea into the land.
subclass of: inlet

inlet
type: Class
definition: An opening of the sea into the land, or of a lake into its shore.
subclass of: hydrosphere

greenhouse soil
type: Class
subclass of: soil

intertidal sediment
type: Class
subclass of: sediment

sediment
type: Class
definition: 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.
subclass of: geosphere

marine feature
type: Class
definition: A prominent or distinctive aspect, quality, or characteristic of a marine biome.
subclass of: hydrosphere

thermophilic sediment
type: Class
definition: Sediment characterised by a temperature of 45-75 degrees Celsius and low to no oxygen content. Often impacted by hydrothermal fluid flows.
subclass of: sediment

animal-associated habitat
type: Class
definition: A habitat that is in or on a living animal. Here animal denotes an individual of a species that is a sub-taxon of NCBITaxon:33208.
subclass of: organism-associated habitat

ocean
type: Class
definition: Continuous saline-water bodies that surround the continents and fill the Earth's great depressions.
subclass of: hydrosphere

coral reef
type: Class
definition: Aragonite structures produced by living organisms, found in shallow, marine waters with little nutrients in the water.
subclass of: marine reef

food product
type: Class
definition: A substance, usually composed primarily of carbohydrates, fats, water and/or proteins, that can be eaten or drunk by an animal or human being for nutrition or pleasure.
subclass of: human activity association

human activity association
type: Class
definition: human activity related environment
subclass of: Thing

oil field
type: Class
subclass of: geosphere

white wine
type: Class
subclass of: wine

sea ice
type: Class
subclass of: ice mass

atmosphere
type: Class
definition: air related environment
subclass of: Thing

terrace
type: Class
definition: A step-like feature between higher and lower ground: a relatively flat or gently inclined shelf of earth, backed and fronted by steep slopes or manmade detaining walls.
subclass of: geosphere

Mycorrhiza
type: Class
subclass of: organism association

excreta
type: Class
definition: Excreta are bodily fluids consisting of waste matter, such as sweat or feces, discharged from the body.
subclass of: bodily fluid

urine
type: Class
definition: Urine is a liquid excreta containing water and waste products made by the kidneys, stored in the bladder, and leaves the body through the urethra.
subclass of: excreta

bioreactor
type: Class
subclass of: human activity association

waste water
type: Class
definition: Water that has been adversely affected in quality by anthropogenic influence.
subclass of: water

anaerobic digester sludge
type: Class
subclass of: sludge

sludge
type: Class
definition: The residual semi-solid material left from domestic or industrial processes, or wastewater treatment processes.
subclass of: human activity association

marine mud
type: Class
subclass of: mud

mud
type: Class
subclass of: geosphere
definition: A liquid or semi-liquid mixture of water and some combination of soil, silt, and clay.
comment: Tempolal position

microbial mat material
type: Class
definition: Material derived from a microbial mat, a multi-layered sheet of micro-organisms, mainly bacteria and archaea. Microbial mats create a wide range of internal chemical environments.
subclass of: organic material

rhizosphere
type: Class
definition: The narrow region of soil that is directly influenced by root secretions and associated soil microorganisms.
subclass of: organism association

freshwater lake
type: Class
definition: A lake of whose water contains low concentrations of salts.
subclass of: lake

lake
type: Class
definition: A body of water or other liquid of considerable size contained on a body of land.
subclass of: hydrosphere

city
type: Class
definition: Incorporated populated place.
subclass of: populated place

populated place
type: Class
definition: Place or area with clustered or scattered buildings and a permanent human population.
subclass of: human activity association

sewage
type: Class
definition: Wastewater that is contaminated with feces or urine.
subclass of: waste water

national park
type: Class
definition: A reserve of land, usually, but not always declared and owned by a national government, protected from most human development and pollution. National parks are a protected area of IUCN category II.
subclass of: park

park
type: Class
definition: A bounded area of land, or water, usually in its natural or semi-natural (landscaped) state and set aside for some purpose, usually to do with recreation or conservation.
subclass of: human activity association

aquaculture
type: Class
definition: The cultivation of aquatic produce such as aquatic plants, fish and other aquatic animals.
subclass of: hydrosphere

bovine milk
type: Class
subclass of: milk

marine reef biome
type: Class
definition: A biome expressed by strips or ridges of rocks, sand, or coral that rises to or near the surface of a body of marine water.
subclass of: marine benthic biome

marine benthic biome
type: Class
definition: A prominent or distinctive aspect, quality, or characteristic of environments occurring on or along marine benthic environments.
subclass of: marine biome

forest soil
type: Class
subclass of: soil

fermented food product
type: Class
subclass of: food product

saline lake
type: Class
definition: A lake whose water contains a considerable concentration of dissolved salts.
subclass of: lake

food processing factory
type: Class
subclass of: human activity association

acid mine drainage
type: Class
definition: A mine drainage with an acidic pH.
subclass of: mine drainage

pond water
type: Class
subclass of: fresh water

fresh water
type: Class
subclass of: water

air
type: Class
definition: 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.
subclass of: atmosphere

biofilm material
type: Class
definition: Material derived from a biofilm, an aggregate of microorganisms in which cells adhere to each other and/or to a surface. These adherent cells are frequently embedded within a self-produced matrix of extracellular polymeric substance (EPS). Biofilm EPS, which is also referred to as slime, is a polymeric conglomeration generally composed of extracellular DNA, proteins, and polysaccharides in various configurations.
subclass of: organic material

feces
type: Class
definition: Feces is an excreta consisting of waste products expelled from an animal's digestive tract through the anus (or cloaca) during defecation.
subclass of: bodily fluid

subterrestrial habitat
type: Class
definition: A habitat that is below the surface of the earth.
subclass of: geosphere

agricultural soil
type: Class
subclass of: soil

watershed
type: Class
definition: The separation between neighbouring drainage basins (catchments). In hilly country, the divide lies along topographical peaks and ridges, but in flat country or on a high plateau (especially where the ground is marshy) the divide may be invisible - just a more or less notional line on the ground on either side of which falling raindrops will start a journey to different rivers, and even to different sides of a country or continent.
subclass of: hydrosphere

continental divide
type: Class
definition: A watershed such that water falling on one side of the line eventually travels to one ocean or body of water, and water on the other side travels to another, generally on the opposite side of the continent.
subclass of: watershed

plaque
type: Class
subclass of: organism association

marine biome
type: Class
definition: An aquatic biome that comprises systems of open-ocean and unprotected coastal habitats, characterized by exposure to wave action, tidal fluctuation, and ocean currents as well as systems that largely resemble these. Water in the marine biome is generally within the salinity range of seawater: 30 to 38 ppt.
subclass of: aquatic biome

estuarine biome
type: Class
definition: Expressions of the estuarine biome occur at wide lower courses of a rivers where they flows into a sea. Estuaries experience tidal flows and their water is a changing mixture of fresh and salt.
subclass of: hydrosphere

plain
type: Class
definition: A region of general uniform slope, comparatively level, and of considerable extent.
subclass of: geosphere

Small lake biome
type: Class
subclass of: freshwater biome

freshwater biome
type: Class
definition: A biome that applies to the freshwater realm.
subclass of: aquatic biome

volcanic feature
type: Class
definition: A feature associated with a volcano, an opening, or rupture, in the Earth's surface or crust, which allows hot, molten rock, ash and gases to escape from deep below the surface.
subclass of: hydrosphere

wound
type: Class
subclass of: organism association

forest
type: Class
definition: An area with a high density of trees. A small forest may be called a wood.
subclass of: geosphere

clay soil
type: Class
subclass of: soil

biotic mesoscopic physical object
type: Class
subclass of: mesoscopic physical object

mesoscopic physical object
type: Class
definition: An environmental feature that is, or can be, contained and is predominantly composed of one or a few types of stuff.
subclass of: organism association

mucus
type: Class
definition: Mucus is a bodily fluid consisting of a slippery secretion of the lining of the mucous membranes in the body. It is a viscous colloid containing antiseptic enzymes (such as lysozyme) and immunoglobulins. Mucus is produced by goblet cells in the mucous membranes that cover the surfaces of the membranes. It is made up of mucins and inorganic salts suspended in water.
subclass of: organism association

surface water
type: Class
subclass of: water

pond
type: Class
definition: A body of water, usually of smaller size than a lake.
subclass of: lake

fjord
type: Class
definition: A long and narrow sea inlet with high steeply sloped walled sides. A fjord is a landform created during a period of glaciation.
subclass of: coastal inlet

lagoon
type: Class
definition: A sheet of saline water separated from the open sea by sand or shingle banks. The sheet of water between an offshore reef, especially of coral and mainland. The sheet of water within a ring or horseshoe shaped atoll.
subclass of: coastal wetland

coastal wetland
type: Class
definition: A wetland associated with the part of the land adjoining or near a sea or ocean.
subclass of: wetland

ocean biome
type: Class
definition: The ocean biome comprises major bodies of saline water, principal components of the hydrosphere. Approximately 71% of the Earth's surface is covered by ocean, a continuous body of water that is customarily divided into several principal oceans and smaller seas. More than half of this area is over 3,000 metres (9,800 ft) deep. Average oceanic salinity is around 35 parts per thousand (ppt) (3.5%), and nearly all seawater has a salinity in the range of 30 to 38 ppt.
subclass of: marine biome

ocean water
type: Class
subclass of: saline water

Small river biome
type: Class
subclass of: freshwater biome

marine habitat
type: Class
definition: A habitat that is in or on a sea or ocean containing high concentrations of dissolved salts and other total dissolved solids (typically >35 grams dissolved salts per litre).
subclass of: saline water habitat

anaerobic bioreactor
type: Class
subclass of: bioreactor

vaginal lubrication
type: Class
subclass of: organism association

Tundra biome
type: Class
subclass of: geosphere

anaerobic
type: Class
definition: A quality inhering in a bearer by virtue of the bearer's independence on oxygen.
subclass of: atmosphere

Rainforest Division (420)
type: Class
subclass of: forest

activated sludge
type: Class
subclass of: sludge

grassland
type: Class
definition: An area in which grasses (Graminae) are a significant component of the vegetation.
subclass of: geosphere

ectomycorrhiza
type: Class
subclass of: organism association

stream
type: Class
definition: Linear body of water flowing on the Earth's surface.
subclass of: water course

oil contaminated soil
type: Class
subclass of: soil

root nodule
type: Class
definition: Root nodules occur on the roots of plants that associate with symbiotic nitrogen-fixing bacteria.
subclass of: organ

marine channel
type: Class
subclass of: channel

channel
type: Class
definition: The physical confine of a river, slough or ocean strait consisting of a bed and banks.
subclass of: water course

microbial mat
type: Class
definition: A multi-layered sheet of micro-organisms, mainly bacteria and archaea. Microbial mats grow at interfaces between different types of material, mostly on submerged or moist surfaces but a few survive in deserts.
subclass of: microbial feature

microbial feature
type: Class
subclass of: organic feature

wastewater treatment plant
type: Class
subclass of: waste treatment plant

waste treatment plant
type: Class
subclass of: human activity association

estuary
type: Class
definition: A semi-enclosed coastal body of water with one or more rivers or streams flowing into it, and with a free connection to the open sea.
subclass of: coastal wetland

bay
type: Class
definition: An area of water bordered by land on three sides.
subclass of: coastal inlet

architectual structure
type: Class
subclass of: human activity association

rumen
type: Class
subclass of: organism association

mouth
type: Class
definition: The exit or point of discharge of a stream into another stream, lake or sea.
subclass of: water course

brewery
type: Class
subclass of: architectual structure

aerobic
type: Class
definition: A quality inhering in a bearer by virtue of the bearer's dependence on oxygen.
subclass of: atmosphere

permafrost
type: Class
definition: Soil at or below the freezing point of water (0C or 32F) for two or more years. Ice is not always present, as may be in the case of nonporous bedrock, but it frequently occurs and it may be in amounts exceeding the potential hydraulic saturation of the ground material.
subclass of: soil

terrestrial biome
type: Class
definition: A biome that applies to the terrestrial realm.
subclass of: geosphere

clay
type: Class
definition: A group of hydrous aluminium phyllosilicate (phyllosilicates being a subgroup of silicate minerals) minerals (see clay minerals), that are typically less than 2micrometres 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.
subclass of: geosphere

freshwater habitat
type: Class
definition: A habitat that is in or on a body of water containing low concentrations of dissolved salts and other total dissolved solids (<0.5 grams dissolved salts per litre).
subclass of: hydrosphere

strait
type: Class
definition: A narrow channel of water that connects two larger bodies of water, and thus lies between two land masses.
subclass of: channel

hot spring
type: Class
definition: A spring that is produced by the emergence of geothermally-heated groundwater from the Earth's crust.
subclass of: hydrothermal vent

hydrothermal vent
type: Class
definition: A fissure in the Earths's surface from which geothermally heated water issues.
subclass of: volcanic feature

sea water
type: Class
subclass of: saline water

farm
type: Class
definition: A tract of crop or grazing land, as well as the group of buildings with and often surrounding a farmhouse, including barns, sheds, and other outbuildings, used for agricultural production.
subclass of: human activity association

anthropogenic habitat
type: Class
definition: A habitat that is in or on an environmental feature or material derived from human activity.
subclass of: human activity association

supragingival plaque
type: Class
subclass of: plaque

blood
type: Class
definition: Blood is a bodily fluid composed of blood plasma and blood cells suspended within the plasma that circulates around the organism's body. Blood performs may important functions including the supplying of oxygen and nutrients, removal of waste, circulation of white blood cells, detection of antibodes, coagulation, transportation of antibodies and the regulation of pH and body temperature.
subclass of: bodily fluid

oxic
type: Class
definition: An environment that contains oxygen.
subclass of: atmosphere

marine hydrothermal vent chimney
type: Class
subclass of: hydrosphere

vinegar
type: Class
definition: A liquid produced from the fermentation of ethanol in a process that yields its key ingredient, acetic acid.
subclass of: fermented food product

spring
type: Class
definition: A point where groundwater or steam flows out of the ground, and is thus where the aquifer surface meets the ground surface or where there is a fissure.
subclass of: hydrosphere

coastal water
type: Class
subclass of: ocean water

endomycorrhiza
type: Class
subclass of: organism association

natto
type: Class
subclass of: fermented food product

frost flowers
type: Class
definition: Ice crystals commonly found growing on young sea ice and thin lake ice in cold, calm conditions.
subclass of: hydrosphere

reef
type: Class
definition: A ridge of rocks, lying near the surface of the sea, which may be visible at low tide, but is usually covered by water.
subclass of: hydrosphere

marsh
type: Class
definition: A wetland, featuring grasses, rushes, reeds, typhas, sedges, and other herbaceous plants (possibly with low-growing woody plants) in a context of shallow water.
subclass of: wetland

lake bottom mud
type: Class
subclass of: mud

coastal plain
type: Class
definition: An area of flat, low-lying land adjacent to a seacoast and separated from the interior by other features.
subclass of: plain

biofilm
type: Class
definition: A complex aggregation of microorganisms marked by the excretion of a protective and adhesive matrix; usually adhering to a substratum.
subclass of: microbial feature

coastal water body
type: Class
definition: Coastal water is a marine water body bordering a coast.
subclass of: coastal water

insecta-associated habitat
type: Class
definition: A habitat that is in or on a living insect. Here insect denotes an individual of a species that is a sub-taxon of NCBITaxon:50557.
subclass of: animal-associated habitat

marine coral reef biome
type: Class
definition: The marine coral reef biome comprises constructional wave-resistant entities which are primarily built by corals and are often cemented together. The growth of these structures is aided by zooxanthellae, algae that are symbiotic with the reef-building corals.
subclass of: marine reef biome

anoxic
type: Class
definition: Suffering from a reduced supply of oxygen.
subclass of: atmosphere

kimchi
type: Class
definition: A Korean dish made of vegetables, such as cabbage or radishes, that are salted, seasoned, and stored in sealed containers to undergo lactic acid fermentation.
subclass of: fermented food product

marine sediment
type: Class
definition: Marine sediment is a sediment that accumulates in the flat or very gently sloping areas of the deep ocean basin floor. The three main types of marine sediment, also known as pelagic sediment, are siliceous oozes, calcareous oozes, and red clays.
subclass of: sediment

river
type: Class
definition: Natural freshwater surface streams of considerable volume and a permanent or seasonal flow, moving in a definite channel toward a sea, lake, or another river; any large streams, or ones larger than brooks or creeks, such as the trunk stream and larger branches of a drainage system.
subclass of: stream

biochar
type: Class
definition: Charcoal that is used to nutritionally supplement soil.
subclass of: geosphere

subgingival plaque
type: Class
subclass of: plaque

Urogenital tract
type: Class
subclass of: organism association

Temperate grasslands, savannas, and shrubland biome
type: Class
subclass of: grassland

dental plaque
type: Class
subclass of: plaque

calcite hot spring
type: Class
subclass of: hot spring

sampled from
type: ObjectProperty

definition
type: AnnotationProperty
range: string