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
      
      • N111 : Boreo-Arctic sand beach annual communities
        
      • N112 : Middle European sand beach annual communities
        
      • N113 : Unvegetated Atlantic, Baltic and Arctic sand beaches above the driftline
        
        • N1131 : Baltic unvegetated spits and bars above the driftline
          
        • N1132 : Baltic unvegetated sandy beaches above the driftline
          
      • N114 : Biocenosis of Atlantic, Baltic and Arctic supralittoral sands
        
        • N1141 : Facies of Atlantic, Baltic and Arctic depressions with residual humidity
          
        • N1142 : Facies of quickly-drying wracks on Atlantic, Baltic and Arctic beaches
          
        • N1143 : Facies of tree trunks which have been washed ashore on Atlantic, Baltic and Arctic beaches
          
      • N115 : Boreo-arctic sand beach perennial communities
        
      • N116 : Atlantic, Baltic and Arctic bandy beach ridges with no or low vegetation
        
      • N117 : Atlantic, Baltic and Arctic sandy beach ridges dominated by shrubs or trees
        
    • N12 : Mediterranean and Black Sea sand beach
      
    • N13 : Atlantic and Baltic shifting coastal dune
      
    • N14 : Mediterranean, Macaronesian and Black Sea shifting coastal dune
      
    • N15 : Atlantic and Baltic coastal dune grassland (grey dune)
      
    • 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
      
    • 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
    
    • N21 : Atlantic, Baltic and Arctic coastal shingle beach
      
      • N211 : Boreo-arctic gravel beach annual communities
        
      • N212 : Atlantic and Baltic shingle beach drift lines
        
      • N213 : Biocenosis of slowly drying wracks on Atlantic, Baltic and Arctic coastal shingle beaches
        
      • N214 : Baltic Crambe maritima communities
        
      • N215 : Channel Crambe maritima communities
        
      • N216 : Atlantic Crambe maritima communities
        
      • N217 : Gravelly beach and shingle pioneer communities
        
      • N218 : Euro-Siberian gravel bank grasslands
        
    • N22 : Mediterranean and Black Sea coastal shingle beach
      
  • N3 : Rock cliffs, ledges and shores, including the supralittoral
    
• Q : Wetlands
  
• R : Grasslands and lands dominated by forbs, mosses or lichens
  
  • R1 : Dry grasslands
    
  • R2 : Mesic grasslands
    
  • R3 : Seasonally wet and wet grasslands
    
  • R4 : Alpine and subalpine grasslands
    
  • R5 : Forest fringes and clearings and tall forb stands
    
  • R6 : Inland salt steppes and salt marshes
    
  • R7 : Sparsely wooded grasslands
    
• S : Heathland, scrub and tundra
  
• T : Forest and other wooded land
  
• U : Inland habitats with no or little soil and mostly with sparse vegetation
  
• V : Vegetated man-made habitats