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
    
  • MJ4 : Under-ice habitat
    
• N : Coastal habitats
  
• Q : Wetlands
  
  • Q1 : Raised and blanket bogs
    
    • Q11 : Raised bog
      
    • Q12 : Blanket bog
      
      • Q121 : Hyperoceanic low-altitude blanket bogs, typically with dominant Trichophorum
        
      • Q122 : Montane blanket bogs, Calluna and Eriophorum vaginatum often dominant
        
        • Q1221 : Hiberno-Britannic Eriophorum-Calluna blanket bogs
          
        • Q1222 : Britannic Eriophorum vaginatum blanket bogs
          
        • Q1223 : Hiberno-Britannic upland blanket bog Sphagnum mats
          
        • Q1224 : Hiberno-Britannic dwarf shrub- Eriophorum upland bogs
          
        • Q1225 : Hiberno-Britannic Racomitrium lanuginosum upland bog hummocks
          
        • Q1226 : Hiberno-Britannic upland blanket bog wet heaths
          
        • Q1227 : Hiberno-Britannic upland blanket bog hollows and pools
          
      • Q123 : Boreo-Atlantic blanket bogs
        
      • Q124 : Wet bare peat and peat haggs on blanket bogs
        
    • Q13 : Ombrotrophic percolation mire
      
  • 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
  
• 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