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
      • A4.21 : Echinoderms and crustose communities on circalittoral rock
      • A4.22 : [Sabellaria] reefs on circalittoral rock
      • A4.23 : Communities on soft circalittoral rock
      • A4.24 : Mussel beds on circalittoral rock
      • A4.25 : Circalittoral faunal communities in variable salinity
      • A4.26 : Mediterranean coralligenous communities moderately exposed to hydrodynamic action
      • A4.27 : Faunal communities on deep moderate energy circalittoral rock
    • A4.3 : Atlantic and Mediterranean low energy circalittoral rock
      • A4.31 : Brachiopod and ascidian communities on circalittoral rock
      • A4.32 : Mediterranean coralligenous communities sheltered from hydrodynamic action
      •  A4.33 : Faunal communities on deep 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
    
  • A8 : Ice-associated marine habitats
    
    • A8.1 : Sea ice
    • A8.2 : Freshwater ice
    • A8.3 : Brine channels
      •  A8.31 : Brine channels in first year ice
      •  A8.32 : Brine channels in multi-year ice
    • A8.4 : Under-ice habitat
• B : Coastal habitats
  
• C : Inland surface waters
  
• D : Mires, bogs and fens
  
• E : Grasslands and lands dominated by forbs, mosses or lichens
  
  • E1 : Dry grasslands
    
  • E2 : Mesic grasslands
    
  • E3 : Seasonally wet and wet grasslands
    
  • E4 : Alpine and subalpine grasslands
    
  • E5 : Woodland fringes and clearings and tall forb stands
    
  • E6 : Inland salt steppes
    
  • E7 : Sparsely wooded grasslands
    
    •  E7.1 : Atlantic parkland
    •  E7.2 : Sub-continental parkland
    •  E7.3 : Dehesa
• 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
    
    • F5.1 : Arborescent matorral
      • F5.11 : Evergreen [Quercus] matorral
      • F5.12 : [Olea europaea] and [Pistacia lentiscus] matorral
      • F5.13 : [Juniper] matorral
      • F5.14 : [Pinus] matorral
      •  F5.15 : [Tetraclinis articulata] matorral
      •  F5.16 : Deciduous [Quercus] matorral
      • F5.17 : Arid zone matorral
      •  F5.18 : [Laurus nobilis] matorral
      •  F5.19 : [Cupressus] matorral
      •  F5.1A : [Zelkova] matorral
    • F5.2 : Maquis
    • F5.3 : Pseudomaquis
    •  F5.4 : [Spartium junceum] fields
    • F5.5 : Thermo-Mediterranean scrub
      • F5.51 : Thermo-Mediterranean brushes, thickets and heath-garrigues
      •  F5.52 : [Euphorbia dendroides] formations
      •  F5.53 : [Ampelodesmos mauritanica] -dominated garrigues
      •  F5.54 : [Chamaerops humilis] brush
      • F5.55 : Mediterranean pre-desert scrub
      • F5.56 : Thermo-Mediterranean broom fields (retamares)
      • F5.57 : Mediterranean gorse-heaths
      • F5.58 : Iberian thermo-Mediterranean garrigues
      • F5.59 : [Stauracanthus boivinii] gorse-heaths
      • F5.5A : Western Tethyan xero-psammitic brushes
      •  F5.5B : Cabo de Sao Vicente brushes
      • F5.5C : Thermo-Mediterranean heaths
  • F6 : Garrigue
    
  • F7 : Spiny Mediterranean heaths (phrygana, hedgehog-heaths and related coastal cliff vegetation)
    
  • F8 : Thermo-Atlantic xerophytic scrub
    
    • F8.1 : Canary Island xerophytic scrub
    • F8.2 : Madeiran xerophytic scrub
  • F9 : Riverine and fen scrubs
    
  • FA : Hedgerows
    
  • FB : Shrub plantations
    
• G : Woodland, forest and other wooded land
  
• 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