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
      •  C2.31 : Epipotamal streams
      •  C2.32 : Metapotamal and hypopotamal streams
      •  C2.33 : Mesotrophic vegetation of slow-flowing rivers
      •  C2.34 : Eutrophic vegetation of slow-flowing rivers
    • C2.4 : Tidal rivers, upstream from the estuary
    •  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
    
    • G2.1 : Mediterranean evergreen [Quercus] woodland
    • G2.2 : Eurasian continental sclerophyllous woodland
    • G2.3 : Macaronesian [Laurus] woodland
    • G2.4 : [Olea europaea] - [Ceratonia siliqua] woodland
    • G2.5 : [Phoenix] groves
    •  G2.6 : [Ilex aquifolium] woods
    • G2.7 : Canary Island heath woodland
    • G2.8 : Highly artificial broadleaved evergreen forestry plantations
    • G2.9 : Evergreen orchards and groves
  • G3 : Coniferous woodland
    
  • G4 : Mixed deciduous and coniferous woodland
    
    •  G4.1 : Mixed swamp woodland
    •  G4.2 : Mixed taiga woodland with [Betula]
    • G4.3 : Mixed sub-taiga woodland with acidophilous [Quercus]
    •  G4.4 : Mixed [Pinus sylvestris] - [Betula] woodland
    •  G4.5 : Mixed [Pinus sylvestris] - [Fagus] woodland
    •  G4.6 : Mixed [Abies] - [Picea] - [Fagus] woodland
    • G4.7 : Mixed [Pinus sylvestris] - acidophilous [Quercus] woodland
    •  G4.8 : Mixed non-riverine deciduous and coniferous woodland
    •  G4.9 : Mixed deciduous woodland with [Cupressaceae] or [Taxaceae]
    •  G4.A : Mixed woodland with [Cupressaceae], [Taxaceae] and evergreen oak
    •  G4.B : Mixed mediterranean [Pinus] - thermophilous [Quercus] woodland
    •  G4.C : Mixed [Pinus sylvestris] - thermophilous [Quercus] woodland
    •  G4.D : Mixed [Pinus nigra] - evergreen [Quercus] woodland
    •  G4.E : Mixed mediterranean pine - evergreen oak woodland
    •  G4.F : Mixed forestry plantations
  • 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
    
    •  H2.1 : Cold siliceous screes
    •  H2.2 : Cold limestone screes
    • H2.3 : Temperate-montane acid siliceous screes
    • H2.4 : Temperate-montane calcareous and ultra-basic screes
    • H2.5 : Acid siliceous screes of warm exposures
    • H2.6 : Calcareous and ultra-basic screes of warm exposures
      • H2.61 : Peri-Alpine thermophilous screes
      •  H2.62 : Cevenno-Provençal screes
      •  H2.63 : Pyrenean calcareous screes
      •  H2.64 : Oro-Cantabrian calcareous screes
      •  H2.65 : Iberian calciphile fern screes
      •  H2.66 : Southern Iberian calcareous screes
      •  H2.67 : Central Mediterranean calcareous screes
      •  H2.68 : Eastern Mediterranean limestone screes
      •  H2.69 : Eastern Mediterranean serpentine screes
      •  H2.6A : Cyprian screes
      • H2.6B : Illyrian montane calcareous screes
      •  H2.6C : Illyrian sub-Mediterranean screes
      •  H2.6D : Illyrian montane serpentine screes
      •  H2.6E : Illyrian [Achnatherum calamagrostis] screes
      •  H2.6F : Anatolian calcareous screes
      •  H2.6G : Eastern Carpathian calcareous thermophilous screes
  • H3 : Inland cliffs, rock pavements and outcrops
    
  • H4 : Snow or ice-dominated habitats
    
  • H5 : Miscellaneous inland habitats with very sparse or no vegetation
    
  • 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
  
  • I1 : Arable land and market gardens
    
  • I2 : Cultivated areas of gardens and parks
    
• 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
      •  J2.31 : Rural commercial units
      •  J2.32 : Rural industrial sites
    • J2.4 : Agricultural constructions
    • J2.5 : Constructed boundaries
    • 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