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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MH6 : Vertically stratified water column with reduced salinity
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MH7 : Fronts in reduced salinity water column
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MH8 : Unstratified water column with full salinity
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MH9 : Vertically stratified water column with full salinity
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MH91 : Arctic vertically stratified water column with full salinity
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MH911 : Arctic water column with ephemeral thermal stratification and full salinity
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MH912 : Arctic water column with seasonal thermal stratification and full salinity
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MH913 : Arctic water column with permanent thermal stratification and full salinity
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MH914 : Arctic water column with ephemeral halocline and full salinity
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MH915 : Arctic water column with seasonal halocline and full salinity
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MH916 : Arctic water column with permanent halocline and full salinity
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MH917 : Arctic water column with ephemeral oxygen stratification and full salinity
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MH918 : Arctic water column with seasonal oxygen stratification and full salinity
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MH919 : Arctic water column with permanent oxygen stratification and full salinity
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![Boreo-arctic gravel beach annual communities](images/img_bullet.gif)
![Atlantic and Baltic shingle beach drift lines](images/img_bullet.gif)
![Biocenosis of slowly drying wracks on Atlantic, Baltic and Arctic coastal shingle beaches](images/img_bullet.gif)
![Baltic [Crambe maritima] communities](images/img_bullet.gif)
![Channel [Crambe maritima] communities](images/img_bullet.gif)
![Atlantic [Crambe maritima] communities](images/img_bullet.gif)
![Gravelly beach and shingle pioneer communities](images/img_bullet.gif)
![Euro-Siberian gravel bank grasslands](images/img_bullet.gif)
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![High Arctic sea-cliffs and rocky shores](images/img_bullet.gif)
![Atlantic low Arctic sea-cliffs and rocky shores](images/img_bullet.gif)
![Temperate Atlantic sea-cliffs and rocky shores](images/img_bullet.gif)
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![Atlantic and Baltic rock stacks and islets above splash zone](images/img_bullet.gif)
![Atlantic sea-cliff communities](images/img_bullet.gif)
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![Mediterranean and Black Sea soft sea cliff](images/img_bullet.gif)
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