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
  
  • MH1 : Neuston
    
  • MH2 : Completely mixed water column with reduced salinity
    
  • MH3 : Completely mixed water column with full salinity
    
  • MH4 : Partially mixed water column with reduced salinity and medium or long residence time
    
  • MH5 : Unstratified water column with reduced salinity
    
  • MH6 : Vertically stratified water column with reduced salinity
    
  • MH7 : Fronts in reduced salinity water column
    
  • MH8 : Unstratified water column with full salinity
    
  • MH9 : Vertically stratified water column with full salinity
    
  • MHA : Fronts in full salinity water column
    
    • MHA1 : Arctic fronts in full salinity water column
      
    • MHA2 : Atlantic fronts in full salinity water column
      
    • MHA3 : Baltic fronts in full salinity water column
      
    • MHA4 : Black Sea fronts in full salinity water column
      
    • MHA5 : Mediterranean fronts in full salinity water column
      
• MJ : Ice-associated marine habitats
  
• N : Coastal habitats
  
• Q : Wetlands
  
• 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
    
    • T21 : Mediterranean evergreen Quercus forest
      
    • T22 : Mainland laurophyllous forest
      
    • T23 : Macaronesian laurophyllous forest
      
    • T24 : Olea europaea-Ceratonia siliqua forest
      
    • T25 : Phoenix theophrasti vegetation
      
    • T26 : Phoenix canariensis vegetation
      
    • T27 : Ilex aquifolium forest
      
    • T28 : Macaronesian heathy forest
      
    • T29 : Broadleaved evergreen plantation of non site-native trees
      
    • T2A : Broadleaved evergreen plantation of site-native trees
      
  • 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
  
  • V1 : Arable land and market gardens
    
    • V11 : Intensive unmixed crops
      
      • V111 : Large-scale intensive unmixed crops (>25ha)
        
      • V112 : Medium-scale intensive unmixed crops (1-25ha)
        
      • V113 : Small-scale intensive unmixed crops (<1ha)
        
    • 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
    
    • V41 : Hedgerows of non-native species
      
    • V42 : Highly-managed hedgerows of native species
      
    • V43 : Species-rich hedgerows of native species
      
    • V44 : Species-poor hedgerows of native species
      
  • V5 : Shrub plantations
    
  • V6 : Tree dominated man-made habitats