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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MA41 : Arctic littoral mixed sediment
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MA42 : Atlantic littoral mixed sediment
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MA43 : Baltic hydrolittoral mixed sediment
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MA44 : Black Sea littoral mixed sediment
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MA45 : Mediterranean littoral mixed sediment
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![Arctic infralittoral rock](images/img_bullet.gif)
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![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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![Baltic infralittoral rock and boulders dominated by aquatic moss](images/img_bullet.gif)
![Baltic infralittoral rock and boulders characterized by sparse epibentic bivalves](images/img_bullet.gif)
![Baltic infralittoral rock and boulders characterized by epibenthic chordates](images/img_bullet.gif)
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![Baltic infralittoral rock and boulders characterized by epibenthic crustacea](images/img_bullet.gif)
![Baltic infralittoral rock and boulders characterized by epibenthic sponges](images/img_bullet.gif)
![Baltic infralittoral rock and boulders characterized by soft crustose algae](images/img_bullet.gif)
![Baltic infralittoral rock and boulders characterized by annual algae](images/img_bullet.gif)
![Baltic infralittoral rock and boulders characterized by mixed epibenthic macrocommunity](images/img_bullet.gif)
![Baltic infralittoral rock and boulders characterized by microphytobenthic organisms and grazing snails](images/img_bullet.gif)
![Baltic infralittoral rock and boulders characterized by sparse epibenthic macrocommunity](images/img_bullet.gif)
![Baltic infralittoral rock and boulders characterized by no macrocommunity](images/img_bullet.gif)
![Baltic infralittoral hard clay characterized by sparse epibenthic bivalves](images/img_bullet.gif)
![Baltic infralittoral hard clay characterized by mixed epibenthic macrocommunity](images/img_bullet.gif)
![Baltic infralittoral hard clay characterized by sparse epibenthic macrocommunity](images/img_bullet.gif)
![Baltic infralittoral hard clay characterized by no macrocommunity](images/img_bullet.gif)
![Baltic infralittoral rock characterized by marl (marlstone rock)](images/img_bullet.gif)
![Baltic infralittoral hard bottoms characterized by ferromanganese concretion](images/img_bullet.gif)
![Baltic infralittoral hard anthropogenically created substrates](images/img_bullet.gif)
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![Arctic infralittoral mixed sediment](images/img_bullet.gif)
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![Mediterranean infralittoral mixed sediment](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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![Arctic abyssal biogenic habitat](images/img_bullet.gif)
![Atlantic abyssal biogenic habitat](images/img_bullet.gif)
![Black Sea abyssal biogenic habitat](images/img_bullet.gif)
![Mediterranean abyssal biogenic habitat](images/img_bullet.gif)
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