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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MB11 : Arctic infralittoral rock
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MB12 : Atlantic infralittoral rock
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MB121 : Kelp and seaweed communities on Atlantic infralittoral rock
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MB1211 : Alaria esculenta on exposed Atlantic sublittoral fringe bedrock
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MB12111 : Alaria esculenta, Mytilus edulis and coralline crusts on very exposed Atlantic sublittoral fringe bedrock
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MB12112 : Alaria esculenta and Laminaria digitata on exposed Atlantic sublittoral fringe bedrock
![Alaria esculenta [forest with dense anemones and crustose sponges on extremely exposed Atlantic infralittoral bedrock](images/img_bullet.gif)
![Laminaria hyperborea [forest with a faunal cushion (sponges and polyclinids) and foliose red seaweeds on very exposed Atlantic infralittoral rock](images/img_bullet.gif)
![Sparse [Laminaria hyperborea] and dense [Paracentrotus lividus] on exposed infralittoral limestone](images/img_bullet.gif)
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![Laminaria hyperborea [and red seaweeds on exposed Atlantic vertical rock](images/img_bullet.gif)
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![Dense foliose red seaweeds on moderately exposed Atlantic infralittoral silty rock](images/img_bullet.gif)
![Laminaria hyperborea [on moderately exposed Atlantic vertical rock](images/img_bullet.gif)
![Hiatella arctica [and seaweeds on vertical Atlantic littoral limestone / chalk](images/img_bullet.gif)
![Laminaria digitata[, ascidians and bryozoans on tide-swept Atlantic sublittoral fringe rock](images/img_bullet.gif)
![Mixed kelp with foliose red seaweeds, sponges and ascidians on sheltered tide-swept Atlantic infralittoral rock](images/img_bullet.gif)
![Mixed kelp and red seaweeds on tide-swept Atlantic infralittoral boulders, cobbles and gravel](images/img_bullet.gif)
![Laminaria saccharina [with foliose red seaweeds and ascidians on sheltered tide-swept Atlantic infralittoral rock](images/img_bullet.gif)
![Filamentous red seaweeds, sponges and [Balanus crenatus] on tide-swept variable-salinity Atlantic infralittoral rock](images/img_bullet.gif)
![Halopteris filicina [with coralline crusts on moderately exposed Atlantic infralittoral rock](images/img_bullet.gif)
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![Arctic offshore circalittoral mud](images/img_bullet.gif)
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![Black Sea offshore circalittoral mud](images/img_bullet.gif)
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![Black Sea upper bathyal mud](images/img_bullet.gif)
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