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
    
  • MJ2 : Freshwater ice
    
  • MJ3 : Brine channels
    
    • MJ31 : Arctic brine channels
      
    • MJ32 : Baltic 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
    
• Q : Wetlands
  
• 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
      
      • S421 : Submontane Vaccinium - Calluna heaths
        
      • S422 : Sub-Atlantic Calluna - Genista heaths
        
      • S423 : Atlantic Erica - Ulex heaths
        
      • S424 : Ibero-Atlantic Erica - Ulex - Cistus heaths
        
        • S4241 : Biscay heaths
          
        • S4242 : Luso-Galician heaths
          
        • S4243 : Cabreran heaths
          
        • S4244 : Galicio-Leonese heaths
          
        • S4245 : Oro-Castillan heaths
          
        • S4246 : Sorian heaths
          
        • S4247 : Cuencan heaths
          
        • S4248 : Luso-Extremaduran heaths
          
        • S4249 : Erica andevalensis heaths
          
      • S425 : Boreo-Atlantic Erica cinerea heaths
        
      • S426 : Inland dune heaths
        
    • 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)
    
  • S8 : Thermo-Atlantic xerophytic scrub
    
    • S81 : Canarian xerophytic scrub
      
    • S82 : Madeiran xerophytic scrub
      
  • S9 : Riverine and fen scrubs
    
    • S91 : Temperate riparian scrub
      
    • S92 : Salix fen scrub
      
    • S93 : Mediterranean riparian scrub
      
    • S94 : Semi-desert riparian scrub
      
• T : Forest and other wooded land
  
• U : Inland habitats with no or little soil and mostly with sparse vegetation
  
• V : Vegetated man-made habitats
  
  • V1 : Arable land and market gardens
    
    • V11 : Intensive unmixed crops
      
    • V12 : Mixed crops of market gardens and horticulture
      
    • V13 : Arable land with unmixed crops grown by low-intensity agricultural methods
      
    • V14 : Inundated or inundatable croplands, including rice fields
      
    • V15 : Bare tilled, fallow or recently abandoned arable land
      
      • V151 : Bare tilled land
        
      • V152 : Fallow un-inundated fields with annual weed communities
        
      • V153 : Fallow un-inundated fields with annual and perennial weed communities
        
      • V154 : Fallow inundated fields with annual weed communities
        
      • V155 : Fallow inundated fields with annual and perennial weed communities
        
  • 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