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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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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R1 : Dry grasslands
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R11 : Pannonian and Pontic sandy steppe
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R12 : Cryptogam- and annual-dominated vegetation on siliceous rock outcrops
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R13 : Cryptogam- and annual-dominated vegetation on calcareous and ultramafic rock outcrops
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R14 : Perennial rocky grassland of the Italian Peninsula
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R15 : Continental dry rocky steppic grassland and dwarf scrub on chalk outcrops
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R16 : Perennial rocky grassland of Central and South-Eastern Europe
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R17 : Heavy-metal dry grassland of the Balkans
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R18 : Perennial rocky calcareous grassland of subatlantic-submediterranean Europe
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R19 : Dry steppic submediterranean pasture of the Amphi-Adriatic region
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R1A : Semi-dry perennial calcareous grassland (meadow steppe)
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R1B : Continental dry grassland (true steppe)
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R1C : Desert steppe
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R1D : Mediterranean closely grazed dry grassland
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R1E : Mediterranean tall perennial dry grassland
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R1F : Mediterranean annual-rich dry grassland
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R1G : Iberian oromediterranean siliceous dry grassland
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R1H : Iberian oromediterranean basiphilous dry grassland
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R1J : Cyrno-Sardean oromediterranean siliceous dry grassland
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R1K : Balkan and Anatolian oromediterranean dry grassland
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R1L : Madeiran oromediterranean siliceous dry grassland
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R1M : Lowland to montane, dry to mesic grassland usually dominated by Nardus stricta
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R1N : Open Iberian supramediterranean dry acid and neutral grassland
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R1P : Oceanic to subcontinental inland sand grassland on dry acid and neutral soils
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R1Q : Inland sanddrift and dune with siliceous grassland
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R1R : Mediterranean to Atlantic open, dry, acid and neutral grassland
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R1S : Heavy-metal grassland in Western and Central Europe
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R1T : Azorean open, dry, acid to neutral grassland
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R2 : Mesic grasslands
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R3 : Seasonally wet and wet grasslands
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R4 : Alpine and subalpine grasslands
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R5 : Forest fringes and clearings and tall forb stands
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R6 : Inland salt steppes and salt marshes
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R7 : Sparsely wooded grasslands
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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