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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MH1 : Neuston
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MH2 : Completely mixed water column with reduced salinity
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MH21 : Arctic completely mixed water column with reduced salinity
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MH22 : Atlantic completely mixed water column with reduced salinity
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MH221 : Atlantic completely mixed water column with reduced salinity and short residence time
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MH222 : Atlantic completely mixed water column with reduced salinity and medium residence time
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MH223 : Atlantic completely mixed water column with reduced salinity and long residence time
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![Mediterranean completely mixed water column with reduced salinity and short residence time](images/img_bullet.gif)
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![Black Sea water column with ephemeral thermal stratification and full salinity](images/img_bullet.gif)
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![Black Sea water column with ephemeral oxygen stratification and full salinity](images/img_bullet.gif)
![Black Sea water column with seasonal oxygen stratification and full salinity](images/img_bullet.gif)
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![Boreal and arctic base-rich scree and block field](images/img_bullet.gif)
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