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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MC61 : Arctic circalittoral mud
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MC62 : Atlantic circalittoral mud
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MC63 : Baltic circalittoral mud
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MC631 : Baltic circalittoral mud characterized by sparse epibenthic bivalves
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MC632 : Baltic circalittoral mud characterized by epibenthic cnidarians
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MC633 : Baltic circalittoral mud characterized by epibenthic crustaceans
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MC634 : Baltic circalittoral mud characterized by epibenthic polychaetes
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MC635 : Baltic circalittoral mud characterized by mixed epibenthic macrocommuntiy
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MC636 : Baltic circalittoral mud characterized by sparse epibenthic macrocommuntiy
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MC637 : Baltic circalittoral muds characterized by infaunal bivalves
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MC638 : Baltic circalittoral mud characterized by infaunal polychaetes
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MC639 : Baltic circalittoral mud characterized by infaunal crustaceans
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MC63A : Baltic circalittoral mud characterized by infaunal echinoderms
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MC63B : Baltic circalittoral mud characterized by infaunal insect larva
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MC63C : Baltic circalittoral mud characterized by no macrocommunity
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MC63D : Baltic circalittoral soft anthropogenically created substrates
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MC64 : Black Sea circalittoral mud
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MC65 : Mediterranean 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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U : Inland habitats with no or little soil and mostly with sparse vegetation
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V : Vegetated man-made habitats