EUNIS habitat type hierarchical view

• A : Marine habitats
  
• B : Coastal habitats
  
• C : Inland surface waters
  
  • C1 : Surface standing waters
    
  • C2 : Surface running waters
    
    • C2.1 : Springs, spring brooks and geysers
    • C2.2 : Permanent non-tidal, fast, turbulent watercourses
    • C2.3 : Permanent non-tidal, smooth-flowing watercourses
    • C2.4 : Tidal rivers, upstream from the estuary
      •  C2.41 : Brackish water tidal rivers
      •  C2.42 : Freshwater tidal rivers
      •  C2.43 : Mesotrophic vegetation of tidal rivers
      •  C2.44 : Eutrophic vegetation of tidal rivers
    •  C2.5 : Temporary running waters
    •  C2.6 : Films of water flowing over rocky watercourse margins
  • C3 : Littoral zone of inland surface waterbodies
    
• D : Mires, bogs and fens
  
• E : Grasslands and lands dominated by forbs, mosses or lichens
  
• F : Heathland, scrub and tundra
  
• G : Woodland, forest and other wooded land
  
  • G1 : Broadleaved deciduous woodland
    
  • G2 : Broadleaved evergreen woodland
    
  • G3 : Coniferous woodland
    
  • G4 : Mixed deciduous and coniferous woodland
    
  • G5 : Lines of trees, small anthropogenic woodlands, recently felled woodland, early-stage woodland and coppice
    
• H : Inland unvegetated or sparsely vegetated habitats
  
  • H1 : Terrestrial underground caves, cave systems, passages and waterbodies
    
  • H2 : Screes
    
  • H3 : Inland cliffs, rock pavements and outcrops
    
  • H4 : Snow or ice-dominated habitats
    
  • H5 : Miscellaneous inland habitats with very sparse or no vegetation
    
    • H5.1 : Fjell fields and other freeze-thaw features with very sparse or no vegetation
    • H5.2 : Glacial moraines with very sparse or no vegetation
    • H5.3 : Sparsely- or un-vegetated habitats on mineral substrates not resulting from recent ice activity
      •  H5.31 : Clay and silt with very sparse or no vegetation
      •  H5.32 : Stable sand with very sparse or no vegetation
      • H5.33 : Lacustrine dunes
      • H5.34 : Inland non-lacustrine dunes
      •  H5.35 : Gravel with very sparse or no vegetation
      •  H5.36 : Shallow rocky soils with very sparse or no vegetation
      •  H5.37 : Boulder fields
    •  H5.4 : Dry organic substrates with very sparse or no vegetation
    • H5.5 : Burnt areas with very sparse or no vegetation
    • H5.6 : Trampled areas
  • H6 : Recent volcanic features
    
    • H6.1 : Active volcanic features
    • H6.2 : Inactive recent volcanic features
• I : Regularly or recently cultivated agricultural, horticultural and domestic habitats
  
• J : Constructed, industrial and other artificial habitats
  
  • J1 : Buildings of cities, towns and villages
    
  • J2 : Low density buildings
    
    •  J2.1 : Scattered residential buildings
    •  J2.2 : Rural public buildings
    • J2.3 : Rural industrial and commercial sites still in active use
    • J2.4 : Agricultural constructions
    • J2.5 : Constructed boundaries
      •  J2.51 : Fences
      •  J2.52 : Field walls
      •  J2.53 : Sea walls
    • J2.6 : Disused rural constructions
    •  J2.7 : Rural construction and demolition sites
  • J3 : Extractive industrial sites
    
    •  J3.1 : Active underground mines
    •  J3.2 : Active opencast mineral extraction sites, including quarries
    •  J3.3 : Recently abandoned above-ground spaces of extractive industrial sites
  • J4 : Transport networks and other constructed hard-surfaced areas
    
  • J5 : Highly artificial man-made waters and associated structures
    
  • J6 : Waste deposits
    
• X : Habitat complexes