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)
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MH : Pelagic water column
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MJ : Ice-associated marine habitats
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N : Coastal habitats
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R : Grasslands and lands dominated by forbs, mosses or lichens
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S : Heathland, scrub and tundra
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T : Forest and other wooded land
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U : Inland habitats with no or little soil and mostly with sparse vegetation
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U1 : Terrestrial underground caves, cave systems, passages and waterbodies
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U2 : Screes
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U21 : Boreal and arctic siliceous scree and block field
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U22 : Temperate high-mountain siliceous scree
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U23 : Temperate, lowland to montane siliceous scree
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U231 : Pyreneo-Alpine thermo-siliceous screes
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U232 : Oro-Cantabrian siliceous screes
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U233 : Ibero-Pyrenean acidophile fern screes
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U234 : Carpetano-Iberian siliceous screes
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U235 : Nevadan siliceous screes
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![Central Mediterranean siliceous screes](images/img_bullet.gif)
![Anatolian siliceous screes](images/img_bullet.gif)
![Southeast European thermo-siliceous screes](images/img_bullet.gif)
![Boreal and arctic base-rich scree and block field](images/img_bullet.gif)
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![Alpine calcschist screes](images/img_bullet.gif)
![[Thlaspi rotundifolium] screes](images/img_bullet.gif)
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![Rhodopide calcareous screes](images/img_bullet.gif)
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![Crimean base-rich screes](images/img_bullet.gif)
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