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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MH61 : Arctic vertically stratified water column with reduced salinity
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MH611 : Arctic water column with ephemeral thermal stratification and reduced salinity
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MH612 : Arctic water column with seasonal thermal stratification and reduced salinity
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MH613 : Arctic water column with permanent thermal stratification and reduced salinity
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MH614 : Arctic water column with ephemeral halocline and reduced salinity
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MH615 : Arctic water column with seasonal halocline and reduced salinity
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MH616 : Arctic water column with permanent halocline and reduced salinity
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MH617 : Arctic water column with ephemeral oxygen stratification and reduced salinity
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MH618 : Arctic water column with seasonal oxygen stratification and reduced salinity
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MH619 : Arctic water column with permanent oxygen stratification and reduced salinity
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![Mediterranean water column with ephemeral thermal stratification and reduced salinity](images/img_bullet.gif)
![Mediterranean water column with seasonal thermal stratification and reduced salinity](images/img_bullet.gif)
![Mediterranean water column with permanent thermal stratification and reduced salinity](images/img_bullet.gif)
![Mediterranean water column with ephemeral halocline and reduced salinity](images/img_bullet.gif)
![Mediterranean water column with seasonal halocline and reduced salinity](images/img_bullet.gif)
![Mediterranean water column with permanent halocline and reduced salinity](images/img_bullet.gif)
![Mediterranean water column with ephemeral oxygen stratification and reduced salinity](images/img_bullet.gif)
![Mediterranean water column with seasonal oxygen stratification and reduced salinity](images/img_bullet.gif)
![Mediterranean water column with permanent oxygen stratification and reduced salinity](images/img_bullet.gif)
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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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![Western [Tilia] forests](images/img_bullet.gif)
![Sub-boreal [Tilia] forests](images/img_bullet.gif)
![East-European [Tilia] forests](images/img_bullet.gif)
![Trans-Volgan [Tilia] forests](images/img_bullet.gif)
![Crimean [Tilia] forests](images/img_bullet.gif)
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![Eurosiberian [Acer] forests](images/img_bullet.gif)
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![[Alnus cordata] forest](images/img_bullet.gif)
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![Deciduous self sown forest of non site-native trees](images/img_bullet.gif)
![Broadleaved deciduous plantation of site-native trees](images/img_bullet.gif)
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