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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MB1212 : Alaria esculenta forest with dense anemones and crustose sponges on extremely exposed Atlantic infralittoral bedrock
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MB1213 : Laminaria hyperborea forest with a faunal cushion (sponges and polyclinids) and foliose red seaweeds on very exposed Atlantic infralittoral rock
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MB1214 : Sparse Laminaria hyperborea and dense Paracentrotus lividus on exposed infralittoral limestone
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MB1215 : Laminaria hyperborea with dense foliose red seaweeds on exposed Atlantic infralittoral rock
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MB1216 : Laminaria hyperborea and red seaweeds on exposed Atlantic vertical rock
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MB1217 : Laminaria digitata on moderately exposed Atlantic sublittoral fringe rock
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MB1218 : Laminaria hyperborea on tide-swept Atlantic infralittoral rock
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MB1219 : Laminaria hyperborea on tide-swept Atlantic infralittoral mixed substrata
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MB121A : Laminaria hyperborea and foliose red seaweeds on moderately exposed Atlantic infralittoral rock
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MB121B : Dense foliose red seaweeds on moderately exposed Atlantic infralittoral silty rock
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MB121C : Laminaria hyperborea on moderately exposed Atlantic vertical rock
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MB121D : Hiatella arctica and seaweeds on vertical Atlantic littoral limestone / chalk
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MB121E : Laminaria digitata, ascidians and bryozoans on tide-swept Atlantic sublittoral fringe rock
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MB121F : Mixed kelp with foliose red seaweeds, sponges and ascidians on sheltered tide-swept Atlantic infralittoral rock
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MB121G : Mixed kelp and red seaweeds on tide-swept Atlantic infralittoral boulders, cobbles and gravel
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MB121H : Laminaria saccharina with foliose red seaweeds and ascidians on sheltered tide-swept Atlantic infralittoral rock
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MB121J : Filamentous red seaweeds, sponges and Balanus crenatus on tide-swept variable-salinity Atlantic infralittoral rock
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MB121K : Halopteris filicina with coralline crusts on moderately exposed Atlantic infralittoral rock
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![Mixed fucoids, [Chorda filum] and green seaweeds on reduced salinity Atlantic infralittoral rock](images/img_bullet.gif)
![Ascophyllum nodosum [and epiphytic sponges and ascidians on variable salinity Atlantic infralittoral rock](images/img_bullet.gif)
![Polyides rotundus [and/or] Furcellaria lumbricalis [on reduced salinity Atlantic infralittoral rock](images/img_bullet.gif)
![Fucus ceranoides [and] Enteromorpha [spp. on low salinity Atlantic infralittoral rock](images/img_bullet.gif)
![Codium elisabethae, Halopteris filicina [and coralline crusts on sheltered Atlantic infralittoral bedrock](images/img_bullet.gif)
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![Arctic offshore circalittoral rock](images/img_bullet.gif)
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