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
  
  • MJ1 : Sea ice
    
    • MJ11 : Arctic sea ice
      
    • MJ12 : Baltic sea ice
      
  • MJ2 : Freshwater ice
    
  • MJ3 : Brine channels
    
  • MJ4 : Under-ice habitat
    
• N : Coastal habitats
  
  • N1 : Coastal dunes and sandy shores
    
  • N2 : Coastal shingle
    
  • 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
        
        • N3411 : Baltic unvegetated coastal chalk cliffs and caves
          
        • N3412 : Baltic coastal chalk cliffs and caves with low vegetation
          
        • N3413 : Baltic coastal chalk cliffs and caves dominated by shrubs or trees
          
        • N3414 : Baltic unvegetated coastal moraine cliffs and caves
          
        • N3415 : Baltic sparasely vegetated coastal moraine cliffs and caves with low vegetation
          
        • N3416 : Baltic sparsely vegetated coastal moraine cliffs and caves dominated by shrubs or trees
          
    • N35 : Mediterranean and Black Sea soft sea cliff
      
• R : Grasslands and lands dominated by forbs, mosses or lichens
  
• S : Heathland, scrub and tundra
  
• T : Forest and other wooded land
  
  • T1 : Deciduous broadleaved forest
    
  • T2 : Broadleaved evergreen forest
    
  • T3 : Coniferous forest
    
  • T4 : Lines of trees, small anthropogenic forests, recently felled forest, early-stage forest and coppice
    
• U : Inland habitats with no or little soil and mostly with sparse vegetation
  
• V : Vegetated man-made habitats
  
  • V1 : Arable land and market gardens
    
  • V2 : Cultivated areas of gardens and parks
    
  • V3 : Artificial grasslands and herb dominated habitats
    
  • V4 : Hedgerows
    
  • V5 : Shrub plantations
    
  • V6 : Tree dominated man-made habitats