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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MH3 : Completely mixed water column with full salinity
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MH4 : Partially mixed water column with reduced salinity and medium or long residence time
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MH5 : Unstratified water column with reduced salinity
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MH51 : Arctic unstratified water column with reduced salinity
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MH511 : Arctic euphotic (epipelagic) zone in unstratified reduced salinity water
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MH512 : Arctic mesopelagic zone in unstratified reduced salinity water
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MH513 : Arctic bathypelagic zone in unstratified reduced salinity water
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MH514 : Arctic abyssopelagic zone in unstratified reduced salinity water