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
    
  • 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
    
    • N31 : Atlantic and Baltic rocky sea cliff and shore
      
      • N311 : High Arctic sea-cliffs and rocky shores
        
      • N312 : Atlantic low Arctic sea-cliffs and rocky shores
        
      • N313 : Temperate Atlantic sea-cliffs and rocky shores
        
      • N314 : Unvegetated Baltic rocky shores and cliffs
        
      • N315 : Atlantic and Baltic rock stacks and islets above splash zone
        
      • N316 : Atlantic sea-cliff communities
        
      • N317 : Vegetated Baltic gently sloping rocky shores and cliffs
        
    • N32 : Mediterranean and Black Sea rocky sea cliff and shore
      
    • N33 : Macaronesian rocky sea cliff and shore
      
    • N34 : Atlantic and Baltic soft sea cliff
      
      • N341 : Baltic chalk and moraine cliffs
        
    • N35 : Mediterranean and Black Sea soft sea cliff
      
• Q : Wetlands
  
  • Q1 : Raised and blanket bogs
    
  • Q2 : Valley mires, poor fens and transition mires
    
  • Q3 : Palsa mires
    
  • Q4 : Base-rich fens and calcareous spring mires
    
  • Q5 : Helophyte beds
    
  • Q6 : Periodically exposed shores
    
• 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