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
    
  • N2 : Coastal shingle
    
    • N21 : Atlantic, Baltic and Arctic coastal shingle beach
      
    • N22 : Mediterranean and Black Sea coastal shingle beach
      
  • 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
    
  • 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
    
  • S9 : Riverine and fen scrubs
    
• T : Forest and other wooded land
  
  • T1 : Deciduous broadleaved forest
    
    • T11 : Temperate Salix and Populus riparian forest
      
      • T111 : Temperate and boreal riverine Salix forest
        
      • T112 : Boreo-alpine riparian galleries
        
    • T12 : Alnus glutinosa-Alnus incana forest on riparian and mineral soils
      
    • T13 : Temperate hardwood riparian forest
      
      • T131 : Mixed Quercus - Ulmus - Fraxinus forest of great rivers
        
    • T14 : Mediterranean and Macaronesian riparian forest
      
    • T15 : Broadleaved swamp forest on non-acid peat
      
      • T151 : Alnus swamp forests not on acid peat
        
      • T152 : Quercus swamp forests
        
      • T153 : Populus tremula swamp forests
        
      • T154 : Wet-ground forest of the Black and Caspian Seas
        
    • T16 : Broadleaved mire forest on acid peat
      
    • T17 : Fagus forest on non-acid soils
      
    • T18 : Fagus forest on acid soils
      
    • T19 : Temperate and submediterranean thermophilous deciduous forest
      
    • T1A : Mediterranean thermophilous deciduous forest
      
    • T1B : Acidophilous Quercus forest
      
    • T1C : Temperate and boreal mountain Betula and Populus tremula forest on mineral soils
      
    • T1D : Southern European mountain Betula and Populus tremula forest on mineral soils
      
    • T1E : Carpinus and Quercus mesic deciduous forest
      
      • T1E1 : Quercus - Fraxinus - Carpinus betulus forest on eutrophic and mesotrophic soils
        
      • T1E2 : Non-riverine Fraxinus forest
        
      • T1E3 : Carpinus betulus forest
        
      • T1E4 : Tilia forest
        
      • T1E5 : Non-riverine Ulmus forest
        
      • T1E6 : Mixed deciduous forest of the Black and Caspian Seas
        
      • T1E7 : Eurosiberian Acer forests
        
    • T1F : Ravine forest
      
      • T1F1 : Medio-European ravine forests
        
      • T1F2 : Hercynian slope forests
        
      • T1F3 : Peri-Alpine mixed Fraxinus - Acer pseudoplatanus slope forests
        
      • T1F4 : Pyreneo-Cantabrian mixed Ulmus - Quercus forests
        
      • T1F5 : Thermophilous Alpine and peri-Alpine mixed Tilia forests
        
      • T1F6 : Southeastern European ravine forests
        
      • T1F7 : Euxinian ravine forests
        
    • T1G : Alnus cordata forest
      
    • T1H : Broadleaved deciduous plantation of non site-native trees
      
    • T1J : Deciduous self sown forest of non site-native trees
      
    • T1K : Broadleaved deciduous plantation of site-native trees
      
  • 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