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
      
      • N121 : Tethyan sand beach driftline communities
        
      • N122 : Unvegetated Mediterranean and Black Sea sand beaches above the driftline
        
      • N123 : Biocenosis of Mediterranean and Black Sea supralittoral sands
        
        • N1231 : Facies of Mediterranean and Black Sea depressions with residual humidity
          
        • N1232 : Facies of quickly-drying wracks of Mediterranean and Black Sea beaches
          
        • N1233 : Facies of tree trunks which have been washed ashore on Mediterranean and Black Sea beaches
          
        • N1234 : Facies of phanerogams which have been washed ashore (upper part)
          
      • N124 : Mediterranean and Black Sea sandy beach ridges with no or low vegetation
        
      • N125 : Mediterranean and Black Sea sandy beach ridges dominated by shrubs or trees
        
    • 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)
      
    • 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
    
  • N3 : Rock cliffs, ledges and shores, including the supralittoral
    
    • N31 : Atlantic and Baltic rocky sea cliff and shore
      
    • N32 : Mediterranean and Black Sea rocky sea cliff and shore
      
    • N33 : Macaronesian rocky sea cliff and shore
      
    • N34 : Atlantic and Baltic soft sea cliff
      
    • 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
  
  • U1 : Terrestrial underground caves, cave systems, passages and waterbodies
    
  • U2 : Screes
    
  • U3 : Inland cliffs, rock pavements and outcrops
    
  • U4 : Snow or ice-dominated habitats
    
    • U41 : Snow pack
      
    • U42 : Ice cap and glacier
      
    • U43 : Rock glacier and unvegetated ice-dominated moraine
      
  • U5 : Miscellaneous inland habitats usually with very sparse or no vegetation
    
  • U6 : Recent volcanic features
    
• 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
    
    • V31 : Agriculturally-improved,
      
    • V32 : Mediterranean subnitrophilous annual grasslands
      
    • V33 : Dry mediterranean lands with unpalatable non-vernal herbaceous vegetation
      
    • V34 : Trampled xeric grasslands with annuals
      
    • V35 : Trampled mesophilous grasslands with annuals
      
    • V36 : Alpine and subalpine enriched grassland
      
    • V37 : Annual anthropogenic herbaceous vegetation
      
    • V38 : Dry perennial anthropogenic herbaceous vegetation
      
    • V39 : Mesic perennial anthropogenic herbaceous vegetation
      
  • V4 : Hedgerows
    
  • V5 : Shrub plantations
    
  • V6 : Tree dominated man-made habitats