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
    
    • A4.1 : Atlantic and Mediterranean high energy circalittoral rock
    • A4.2 : Atlantic and Mediterranean moderate energy circalittoral rock
    • A4.3 : Atlantic and Mediterranean low energy circalittoral rock
    •  A4.4 : Baltic exposed circalittoral rock
    •  A4.5 : Baltic moderately exposed circalittoral rock
    •  A4.6 : Baltic sheltered circalittoral rock
    • A4.7 : Features of circalittoral rock
  • A5 : Sublittoral sediment
    
  • A6 : Deep-sea bed
    
  • A7 : Pelagic water column
    
    • A7.1 : Neuston
    • A7.2 : Completely mixed water column with reduced salinity
    • A7.3 : Completely mixed water column with full salinity
    • A7.4 : Partially mixed water column with reduced salinity and medium or long residence time
    • A7.5 : Unstratified water column with reduced salinity
    • A7.6 : Vertically stratified water column with reduced salinity
    • A7.7 : Fronts in reduced salinity water column
    • A7.8 : Unstratified water column with full salinity
    • A7.9 : Vertically stratified water column with full salinity
    • A7.A : Fronts in full salinity water column
  • A8 : Ice-associated marine habitats
    
• B : Coastal habitats
  
  • B1 : Coastal dunes and sandy shores
    
  • B2 : Coastal shingle
    
  • B3 : Rock cliffs, ledges and shores, including the supralittoral
    
• 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
  
• F : Heathland, scrub and tundra
  
  • F1 : Tundra
    
  • F2 : Arctic, alpine and subalpine scrub
    
    • F2.1 : Subarctic and alpine dwarf willow scrub
    • F2.2 : Evergreen alpine and subalpine heath and scrub
    • F2.3 : Subalpine deciduous scrub
    • F2.4 : Conifer scrub close to the tree limit
  • F3 : Temperate and mediterranean-montane scrub
    
    • F3.1 : Temperate thickets and scrub
      • F3.11 : Medio-European rich-soil thickets
        • F3.111 : Blackthorn-bramble scrub
          •  F3.1111 : Sub-Atlantic blackthorn-bramble scrub
            
          •  F3.1112 : Atlantic blackthorn-bramble scrub
            
        • F3.112 : Blackthorn-privet scrub
      •  F3.12 : [Buxus sempervirens] thickets
      • F3.13 : Atlantic poor soil thickets
      • F3.14 : Temperate [Cytisus scoparius] fields
        •  F3.141 : Lowland and hill broom fields
        •  F3.142 : Alpine broom fields
        •  F3.143 : Central Massif [Cytisus scoparius] fields
        •  F3.144 : Pyrenean [Cytisus scoparius] fields
      •  F3.15 : [Ulex europaeus] thickets
      • F3.16 : [Juniperus communis] scrub
      • F3.17 : [Corylus] thickets
      • F3.18 : Inland dune thickets
    • F3.2 : Submediterranean deciduous thickets and brushes
      • F3.21 : Montane [Cytisus purgans] fields
      • F3.22 : Southwestern sub-mediterranean deciduous thickets
      •  F3.23 : Tyrrhenian sub-mediterranean deciduous thickets
      • F3.24 : Subcontinental and continental deciduous thickets
      • F3.25 : Piornales
      •  F3.26 : Tyrrhenian broom fields
      •  F3.27 : [Genista aetnensis] stands
      •  F3.28 : Canary Island broom fields
      •  F3.29 : Moesian broom fields
  • F4 : Temperate shrub heathland
    
  • F5 : Maquis, arborescent matorral and thermo-Mediterranean brushes
    
    • F5.1 : Arborescent matorral
    • F5.2 : Maquis
    • F5.3 : Pseudomaquis
    •  F5.4 : [Spartium junceum] fields
    • F5.5 : Thermo-Mediterranean scrub
  • F6 : Garrigue
    
    • F6.1 : Western garrigues
    • F6.2 : Eastern garrigues
    • F6.3 : Illyrian garrigues
    • F6.4 : Black Sea garrigues
    •  F6.5 : Macaronesian garrigues
    • F6.6 : Supra-Mediterranean garrigues
    • F6.7 : Mediterranean gypsum scrubs
    • F6.8 : Xero-halophile scrubs
  • 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
    
• 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
    
  • 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
  
• I : Regularly or recently cultivated agricultural, horticultural and domestic habitats
  
• J : Constructed, industrial and other artificial habitats
  
• X : Habitat complexes