EUNIS habitat type hierarchical view (marine version 2022 & terrestrial version 2021)
The EUNIS habitat classification review is on-going. Four groups are pending review: Inland waters, Wetlands, Constructed, industrial and other artificial habitats and Complexes.-
M : Marine benthic habitats (MA-MG)
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MA1 : Littoral rock
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MA2 : Littoral biogenic habitat
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MA3 : Littoral coarse sediment
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MA4 : Littoral mixed sediment
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MA5 : Littoral sand
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MA6 : Littoral mud
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MB1 : Infralittoral rock
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MB2 : Infralittoral biogenic habitat
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MB3 : Infralittoral coarse sediment
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MB4 : infralittoral mixed sediment
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MB5 : Infralittoral sand
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MB6 : Infralittoral mud
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MC1 : Circalittoral rock
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MC2 : Circalittoral biogenic habitat
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MC3 : Circalittoral coarse sediment
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MC4 : Circalittoral mixed sediment
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MC5 : Circalittoral sand
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MC6 : Circalittoral mud
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MD1 : Offshore circalittoral rock
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MD2 : Offshore circalittoral biogenic habitat
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MD3 : Offshore circalittoral coarse sediment
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MD4 : Offshore circalittoral mixed sediment
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MD5 : Offshore circalittoral sand
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MD6 : Offshore circalittoral mud
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ME1 : Upper bathyal rock
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ME2 : Upper bathyal biogenic habitat
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ME3 : Upper bathyal coarse sediment
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ME4 : Upper bathyal mixed sediment
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ME5 : Upper Bathyal sand
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ME6 : Upper Bathyal mud
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MF1 : Lower bathyal rock
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MF2 : Lower bathyal biogenic habitat
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MF3 : Lower bathyal coarse sediment
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MF4 : Lower bathyal mixed sediment
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MF5 : Lower bathyal sand
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MF6 : Lower bathyal mud
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MG1 : Abyssal rock
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MG2 : Abyssal biogenic habitat
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MG3 : Abyssal coarse sediment
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MG4 : Abyssal mixed sediment
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MG5 : Abyssal sand
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MG6 : Abyssal mud
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MH : Pelagic water column
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MJ : Ice-associated marine habitats
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N : Coastal habitats
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Q : Wetlands
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R : Grasslands and lands dominated by forbs, mosses or lichens
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S : Heathland, scrub and tundra
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T : Forest and other wooded land
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T1 : Deciduous broadleaved forest
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T2 : Broadleaved evergreen forest
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T3 : Coniferous forest
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T31 : Temperate mountain Picea forest
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T32 : Temperate mountain Abies forest
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T33 : Mediterranean mountain Abies forest
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T34 : Temperate subalpine Larix, Pinus cembra and Pinus uncinata forest
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T35 : Temperate continental Pinus sylvestris forest
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T36 : Temperate and submediterranean montane Pinus sylvestris-Pinus nigra forest
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T37 : Mediterranean montane Pinus sylvestris-Pinus nigra forest
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T38 : Mediterranean montane Cedrus forest
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T39 : Mediterranean and Balkan subalpine Pinus heldreichii-Pinus peuce forest
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T3A : Mediterranean lowland to submontane Pinus forest
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T3B : Pinus canariensis forest
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T3C : Taxus baccata forest
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T3D : Mediterranean Cupressaceae forest
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T3E : Macaronesian Juniperus forest
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T3F : Dark taiga
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T3G : Pinus sylvestris light taiga
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T3H : Larix light taiga
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T3J : Pinus and Larix mire forest
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T3K : Picea mire forest
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T3L : Coniferous self sown forest of non site-native trees
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T3M : Coniferous plantation of non site-native trees
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T3N : Coniferous plantation of site-native trees
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T4 : Lines of trees, small anthropogenic forests, recently felled forest, early-stage forest and coppice
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U : Inland habitats with no or little soil and mostly with sparse vegetation
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V : Vegetated man-made habitats