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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MA1 : Littoral rock
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MA2 : Littoral biogenic habitat
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MA3 : Littoral coarse sediment
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MA4 : Littoral mixed sediment
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MA5 : Littoral sand
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MA6 : Littoral mud
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MB1 : Infralittoral rock
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MB2 : Infralittoral biogenic habitat
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MB3 : Infralittoral coarse sediment
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MB31 : Arctic infralittoral coarse sediment
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MB32 : Atlantic infralittoral coarse sediment
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MB33 : Baltic infralittoral coarse sediment
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MB34 : Black Sea infralittoral coarse sediment
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MB35 : Mediterranean infralittoral coarse sediment
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![Modiolus modiolus [beds with hydroids and red seaweeds on tide-swept Atlantic circalittoral mixed substrata](images/img_bullet.gif)
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![Modiolus modiolus [beds with fine hydroids and large solitary ascidians on very sheltered Atlantic circalittoral mixed substrata](images/img_bullet.gif)
![Modiolus modiolus [beds with] Chlamys varia[, sponges, hydroids and bryozoans on slightly tide-swept very sheltered Atlantic circalittoral mixed substrata](images/img_bullet.gif)
![Mytilus edulis [beds on Atlantic circalittoral sediment](images/img_bullet.gif)
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![Arctic abyssal mixed sediment](images/img_bullet.gif)
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