EUNIS habitat type hierarchical view

• A : Marine habitats
  
  • A1 : Littoral rock and other hard substrata
    
  • A2 : Littoral sediment
    
  • A3 : Infralittoral rock and other hard substrata
    
  • A4 : Circalittoral rock and other hard substrata
    
  • A5 : Sublittoral sediment
    
  • A6 : Deep-sea bed
    
    • A6.1 : Deep-sea rock and artificial hard substrata
    • A6.2 : Deep-sea mixed substrata
    • A6.3 : Deep-sea sand
    •  A6.4 : Deep-sea muddy sand
    • A6.5 : Deep-sea mud
    • A6.6 : Deep-sea bioherms
    • A6.7 : Raised features of the deep-sea bed
    • A6.8 : Deep-sea trenches and canyons, channels, slope failures and slumps on the continental slope
    • A6.9 : Vents, seeps, hypoxic and anoxic habitats of the deep sea
  • A7 : Pelagic water column
    
  • A8 : Ice-associated marine habitats
    
• B : Coastal habitats
  
• C : Inland surface waters
  
  • C1 : Surface standing waters
    
  • C2 : Surface running waters
    
  • C3 : Littoral zone of inland surface waterbodies
    
• D : Mires, bogs and fens
  
• E : Grasslands and lands dominated by forbs, mosses or lichens
  
  • E1 : Dry grasslands
    
  • E2 : Mesic grasslands
    
    • E2.1 : Permanent mesotrophic pastures and aftermath-grazed meadows
    • E2.2 : Low and medium altitude hay meadows
    • E2.3 : Mountain hay meadows
    • E2.4 : Iberian summer pastures (vallicares)
    •  E2.5 : Meadows of the steppe zone
    • E2.6 : Agriculturally-improved, re-seeded and heavily fertilised grassland, including sports fields and grass lawns
    •  E2.7 : Unmanaged mesic grassland
    •  E2.8 : Trampled mesophilous grasslands with annuals
  • E3 : Seasonally wet and wet grasslands
    
    • E3.1 : Mediterranean tall humid grassland
    •  E3.2 : Mediterranean short humid grassland
    • E3.3 : Sub-mediterranean humid meadows
    • E3.4 : Moist or wet eutrophic and mesotrophic grassland
    • E3.5 : Moist or wet oligotrophic grassland
  • E4 : Alpine and subalpine grasslands
    
  • E5 : Woodland fringes and clearings and tall forb stands
    
  • E6 : Inland salt steppes
    
  • E7 : Sparsely wooded grasslands
    
• F : Heathland, scrub and tundra
  
  • F1 : Tundra
    
  • F2 : Arctic, alpine and subalpine scrub
    
  • F3 : Temperate and mediterranean-montane scrub
    
  • F4 : Temperate shrub heathland
    
  • F5 : Maquis, arborescent matorral and thermo-Mediterranean brushes
    
  • F6 : Garrigue
    
  • F7 : Spiny Mediterranean heaths (phrygana, hedgehog-heaths and related coastal cliff vegetation)
    
    • F7.1 : West Mediterranean spiny heaths
    • F7.2 : Central Mediterranean spiny heaths
    • F7.3 : East Mediterranean phrygana
    • F7.4 : Hedgehog-heaths
  • F8 : Thermo-Atlantic xerophytic scrub
    
  • F9 : Riverine and fen scrubs
    
  • FA : Hedgerows
    
  • FB : Shrub plantations
    
    •  FB.1 : Shrub plantations for whole-plant harvesting
    • FB.2 : Shrub plantations for leaf or branch harvest
      •  FB.21 : Tea plantations
      •  FB.22 : Osier beds
    • FB.3 : Shrub plantations for ornamental purposes or for fruit, other than vineyards
    • FB.4 : Vineyards
• G : Woodland, forest and other wooded land
  
  • G1 : Broadleaved deciduous woodland
    
    • G1.1 : Riparian and gallery woodland, with dominant [Alnus], [Betula], [Populus] or [Salix]
    • G1.2 : Mixed riparian floodplain and gallery woodland
    • G1.3 : Mediterranean riparian woodland
    • G1.4 : Broadleaved swamp woodland not on acid peat
    • G1.5 : Broadleaved swamp woodland on acid peat
    • G1.6 : [Fagus] woodland
    • G1.7 : Thermophilous deciduous woodland
    • G1.8 : Acidophilous [Quercus]-dominated woodland
    • G1.9 : Non-riverine woodland with [Betula], [Populus tremula] or [Sorbus aucuparia]
    • G1.A : Meso- and eutrophic [Quercus], [Carpinus], [Fraxinus], [Acer], [Tilia], [Ulmus] and related woodland
    • G1.B : Non-riverine [Alnus] woodland
    • G1.C : Highly artificial broadleaved deciduous forestry plantations
    • G1.D : Fruit and nut tree orchards
  • G2 : Broadleaved evergreen woodland
    
    • G2.1 : Mediterranean evergreen [Quercus] woodland
    • G2.2 : Eurasian continental sclerophyllous woodland
    • G2.3 : Macaronesian [Laurus] woodland
      •  G2.31 : Azorean laurisilvas
      •  G2.32 : Madeiran laurisilvas
      • G2.33 : Canary Island laurisilvas
    • G2.4 : [Olea europaea] - [Ceratonia siliqua] woodland
    • G2.5 : [Phoenix] groves
    •  G2.6 : [Ilex aquifolium] woods
    • G2.7 : Canary Island heath woodland
    • G2.8 : Highly artificial broadleaved evergreen forestry plantations
    • G2.9 : Evergreen orchards and groves
  • G3 : Coniferous woodland
    
  • G4 : Mixed deciduous and coniferous woodland
    
  • G5 : Lines of trees, small anthropogenic woodlands, recently felled woodland, early-stage woodland and coppice
    
• H : Inland unvegetated or sparsely vegetated habitats
  
  • H1 : Terrestrial underground caves, cave systems, passages and waterbodies
    
  • H2 : Screes
    
  • H3 : Inland cliffs, rock pavements and outcrops
    
    • H3.1 : Acid siliceous inland cliffs
    • H3.2 : Basic and ultra-basic inland cliffs
    •  H3.3 : Macaronesian inland cliffs
    • H3.4 : Wet inland cliffs
    • H3.5 : Almost bare rock pavements, including limestone pavements
    • H3.6 : Weathered rock and outcrop habitats
  • H4 : Snow or ice-dominated habitats
    
  • H5 : Miscellaneous inland habitats with very sparse or no vegetation
    
  • H6 : Recent volcanic features
    
• I : Regularly or recently cultivated agricultural, horticultural and domestic habitats
  
• J : Constructed, industrial and other artificial habitats
  
• X : Habitat complexes
  
  •  X01 : Estuaries
    
  •  X02 : Saline coastal lagoons
    
  •  X03 : Brackish coastal lagoons
    
  •  X04 : Raised bog complexes
    
  •  X05 : Snow patches
    
  •  X06 : Crops shaded by trees
    
  •  X07 : Intensively-farmed crops interspersed with strips of natural and/or semi-natural vegetation
    
  •  X09 : Pasture woods (with a tree layer overlying pasture)
    
  •  X10 : Mosaic landscapes with a woodland element (bocages)
    
  •  X11 : Large parks
    
  •  X13 : Land sparsely wooded with broadleaved deciduous trees
    
  •  X14 : Land sparsely wooded with broadleaved evergreen trees
    
  •  X15 : Land sparsely wooded with coniferous trees
    
  •  X16 : Land sparsely wooded with mixed broadleaved and coniferous trees
    
  •  X18 : Wooded steppe
    
  •  X19 : Wooded tundra
    
  •  X20 : Treeline ecotones
    
  •  X22 : Small city centre non-domestic gardens
    
  •  X23 : Large non-domestic gardens
    
  •  X24 : Domestic gardens of city and town centres
    
  •  X25 : Domestic gardens of villages and urban peripheries
    
  •  X27 : Machair complexes
    
  •  X28 : Blanket bog complexes
    
  •  X29 : Salt lake islands
    
  •  X30 : Bentho-pelagic habitats
    
  •  X31 : Mosaics of mobile and non-mobile substrata in the littoral zone
    
  •  X32 : Mosaics of mobile and non-mobile substrata in the infralittoral zone
    
  •  X33 : Mosaics of mobile and non-mobile substrata in the circalittoral zone
    
  •  X34 : Anchihaline caves