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)
  
• MH : Pelagic water column
  
• MJ : Ice-associated marine habitats
  
• N : Coastal habitats
  
  • N1 : Coastal dunes and sandy shores
    
    • N11 : Atlantic, Baltic and Arctic sand beach
      
    • N12 : Mediterranean and Black Sea sand beach
      
    • N13 : Atlantic and Baltic shifting coastal dune
      
      • N131 : Atlantic and Baltic embryonic dunes
        
      • N132 : Atlantic and Baltic large migrating dunes with no or low vegetation
        
      • N133 : Coastal dunes: white dunes (sensu strictu)
        
      • N134 : Coastal dunes: green dunes
        
      • N135 : Young boreo-arctic dunes
        
    • N14 : Mediterranean, Macaronesian and Black Sea shifting coastal dune
      
    • N15 : Atlantic and Baltic coastal dune grassland (grey dune)
      
      • N151 : Northern fixed grey dunes
        
      • N152 : Biscay fixed grey dunes
        
      • N153 : Atlantic dune Mesobromion grassland
        
      • N154 : Atlantic dune thermophile fringes
        
      • N155 : Atlantic and Baltic dune fine-grass annual communities
        
      • N156 : Boreo-arctic grey dunes
        
    • N16 : Mediterranean and Macaronesian coastal dune grassland (grey dune)
      
      • N161 : Mediterraneo-Atlantic fixed grey dunes
        
      • N162 : East Mediterranean fixed grey dunes
        
      • N163 : Mediterranean and Macaronesian dune fine-grass annual communities
        
      • N164 : Tethyan dune deep sand therophyte communities
        
      • N165 : Dune Mediterranean xeric grassland
        
      • N166 : Thermo-Atlantic succulent and semi-fixed dunes
        
    • N17 : Black Sea coastal dune grassland (grey dune)
      
    • N18 : Atlantic and Baltic coastal Empetrum heath
      
    • N19 : Atlantic coastal Calluna and Ulex heath
      
    • N1A : Atlantic and Baltic coastal dune scrub
      
      • N1A1 : Atlantic and Baltic coastal dune thickets
        
      • N1A2 : Salix arenaria mats
        
      • N1A3 : Dune Juniperus thickets
        
      • N1A4 : Coastal dune Rosa rugosa thickets
        
    • N1B : Mediterranean and Black Sea coastal dune scrub
      
    • N1C : Macaronesian coastal dune scrub
      
    • N1D : Atlantic and Baltic broad-leaved coastal dune forest
      
    • N1E : Black Sea broad-leaved coastal dune forest
      
    • N1F : Baltic coniferous coastal dune forest
      
    • N1G : Mediterranean coniferous coastal dune forest
      
    • N1H : Atlantic and Baltic moist and wet dune slack
      
    • N1J : Mediterranean and Black Sea moist and wet dune slack
      
  • N2 : Coastal shingle
    
  • N3 : Rock cliffs, ledges and shores, including the supralittoral
    
• R : Grasslands and lands dominated by forbs, mosses or lichens
  
• S : Heathland, scrub and tundra
  
  • S1 : Tundra
    
  • S2 : Arctic, alpine and subalpine scrub
    
  • S3 : Temperate and mediterranean-montane scrub
    
  • S4 : Temperate shrub heathland
    
    • S41 : Wet heath
      
    • S42 : Dry heath
      
    • S43 : Macaronesian heath
      
  • S5 : Maquis, arborescent matorral and thermo-Mediterranean scrub
    
  • S6 : Garrigue
    
  • S7 : Spiny Mediterranean heaths (phrygana, hedgehog-heaths and related coastal cliff vegetation)
    
    • S71 : Western Mediterranean spiny heath
      
    • S72 : Eastern Mediterranean spiny heath (phrygana)
      
    • S73 : Western Mediterranean mountain hedgehog-heath
      
    • S74 : Central Mediterranean mountain hedgehog-heath
      
    • S75 : Eastern Mediterranean mountain hedgehog-heath
      
    • S76 : Canarian mountain hedgehog-heath
      
  • S8 : Thermo-Atlantic xerophytic scrub
    
  • S9 : Riverine and fen scrubs
    
• T : Forest and other wooded land
  
• U : Inland habitats with no or little soil and mostly with sparse vegetation
  
• V : Vegetated man-made habitats