EUNIS habitat type hierarchical view

• A : Marine habitats
  
  • A1 : Littoral rock and other hard substrata
    
    • A1.1 : High energy littoral rock
    • A1.2 : Moderate energy littoral rock
    • A1.3 : Low energy littoral rock
    • A1.4 : Features of littoral rock
      • A1.41 : Communities of littoral rockpools
      • A1.42 : Communities of rockpools in the supralittoral zone
      • A1.43 : Brackish permanent pools in the geolittoral zone
      • A1.44 : Communities of littoral caves and overhangs
      • A1.45 : Ephemeral green or red seaweeds (freshwater or sand-influenced) on non-mobile substrata
      • A1.46 : Hydrolittoral soft rock
      • A1.47 : Hydrolittoral solid rock (bedrock)
      • A1.48 : Hydrolittoral hard clay
      • A1.49 : Hydrolittoral mussel beds
      •  A1.4A : Hydrolittoral peat
      •  A1.4B : Pontic sulphide vents in littoral rock
  • A2 : Littoral sediment
    
    • A2.1 : Littoral coarse sediment
    • A2.2 : Littoral sand and muddy sand
    • A2.3 : Littoral mud
    • A2.4 : Littoral mixed sediments
    • A2.5 : Coastal saltmarshes and saline reedbeds
    • A2.6 : Littoral sediments dominated by aquatic angiosperms
    • A2.7 : Littoral biogenic reefs
    • A2.8 : Features of littoral sediment
  • A3 : Infralittoral rock and other hard substrata
    
  • A4 : Circalittoral rock and other hard substrata
    
  • A5 : Sublittoral sediment
    
  • A6 : Deep-sea bed
    
  • A7 : Pelagic water column
    
  • A8 : Ice-associated marine habitats
    
• B : Coastal habitats
  
• C : Inland surface waters
  
• D : Mires, bogs and fens
  
  • D1 : Raised and blanket bogs
    
  • D2 : Valley mires, poor fens and transition mires
    
  • D3 : Aapa, palsa and polygon mires
    
  • D4 : Base-rich fens and calcareous spring mires
    
  • D5 : Sedge and reedbeds, normally without free-standing water
    
  • D6 : Inland saline and brackish marshes and reedbeds
    
    • D6.1 : Inland saltmarshes
    • D6.2 : Inland saline or brackish species-poor helophyte beds normally without free-standing water
• E : Grasslands and lands dominated by forbs, mosses or lichens
  
• F : Heathland, scrub and tundra
  
  • F1 : Tundra
    
    • F1.1 : Shrub tundra
    • F1.2 : Moss and lichen 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)
    
  • 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
    
  • G2 : Broadleaved evergreen woodland
    
    • G2.1 : Mediterranean evergreen [Quercus] woodland
    • G2.2 : Eurasian continental sclerophyllous woodland
    • G2.3 : Macaronesian [Laurus] woodland
    • 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
      •  G2.91 : [Olea europaea] groves
      •  G2.92 : Citrus orchards
      •  G2.93 : [Phoenix] plantations
      •  G2.94 : Other evergreen orchards
  • 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