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
  
• 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
    
    • T31 : Temperate mountain Picea forest
      
    • T32 : Temperate mountain Abies forest
      
    • T33 : Mediterranean mountain Abies forest
      
      • T331 : Southern Apennine Abies alba forests
        
      • T332 : Balkano-Pontic Abies forests
        
      • T333 : Aegean Abies forests
        
      • T334 : Abies pinsapo forests
        
        • T3341 : Ronda pinsapo fir forests
          
        • T3342 : Bermeja pinsapo fir forests
          
      • T335 : Relict Abies nebrodensis stands
        
    • T34 : Temperate subalpine Larix, Pinus cembra and Pinus uncinata forest
      
    • T35 : Temperate continental Pinus sylvestris forest
      
    • T36 : Temperate and submediterranean montane Pinus sylvestris-Pinus nigra forest
      
    • T37 : Mediterranean montane Pinus sylvestris-Pinus nigra forest
      
    • T38 : Mediterranean montane Cedrus forest
      
      • T381 : Cedrus libani forests
        
      • T382 : Cedrus brevifolia forests
        
    • T39 : Mediterranean and Balkan subalpine Pinus heldreichii-Pinus peuce forest
      
    • T3A : Mediterranean lowland to submontane Pinus forest
      
    • T3B : Pinus canariensis forest
      
    • T3C : Taxus baccata forest
      
    • T3D : Mediterranean Cupressaceae forest
      
    • T3E : Macaronesian Juniperus forest
      
    • T3F : Dark taiga
      
    • T3G : Pinus sylvestris light taiga
      
    • T3H : Larix light taiga
      
    • T3J : Pinus and Larix mire forest
      
      • T3J1 : Boreal Pinus sylvestris bog forests
        
      • T3J2 : Boreal sphagnum Pinus sylvestris fen forests
        
      • T3J3 : Boreal brown moss Pinus sylvestris fen forests
        
      • T3J4 : Pinus mugo bog forests
        
      • T3J5 : Nemoral Pinus sylvestris mire forests
        
      • T3J6 : Balkan Pinus sylvestris mire forests
        
      • T3J7 : Steppe Pinus sylvestris mire forests
        
    • T3K : Picea mire forest
      
      • T3K1 : Boreal Picea and Picea - Betula fen and bog forests
        
      • T3K2 : Boreal Picea swamp forests
        
      • T3K3 : Nemoral peatmoss Picea forests
        
      • T3K4 : Nemoral bog Picea forests
        
    • T3L : Coniferous self sown forest of non site-native trees
      
    • T3M : Coniferous plantation of non site-native trees
      
    • T3N : Coniferous plantation of site-native trees
      
  • 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