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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MB4 : infralittoral mixed sediment
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MB5 : Infralittoral sand
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MB6 : Infralittoral mud
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MC1 : Circalittoral rock
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MC11 : Arctic circalittoral rock
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MC12 : Atlantic circalittoral rock
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MC121 : Faunal turf communities on Atlantic circalittoral rock
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MC1211 : Balanus crenatus and Tubularia indivisa on extremely tide-swept Atlantic circalittoral rock
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MC1212 : Tubularia indivisa on tide-swept Atlantic circalittoral rock
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MC1213 : Bryozoan turf and erect sponges on tide-swept Atlantic circalittoral rock
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MC12131 : Eunicella verrucosa and Pentapora foliacea on wave-exposed Atlantic circalittoral rock
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MC12132 : Mixed turf of bryozoans and erect sponges with Dysidia fragilis and Actinothoe sphyrodeta on tide-swept wave-exposed Atlantic circalittoral rock
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MC12133 : Mixed turf of bryozoans and erect sponges with Sagartia elegans on tide-swept Atlantic ciraclittoral rock
![Corynactis viridis and a mixed turf of crisiids, [Bugula], [Scrupocellaria], and [Cellaria] on moderately tide-swept exposed Atlantic circalittoral rock](images/img_bullet.gif)
![Mixed turf of hydroids and large ascidians with [Swiftia pallida] and [Caryophyllia smithii] on weakly tide-swept Atlantic circalittoral rock](images/img_bullet.gif)
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![Sparse sponges, [Nemertesia] spp., and [Alcyonidium diaphanum] on Atlantic circalittoral mixed substrata](images/img_bullet.gif)
![[Suberites] spp. with a mixed turf of crisiids and [Bugula] spp. on heavily silted moderately wave-exposed Atlantic circalittoral rock](images/img_bullet.gif)
![Flustra foliacea [and] Haliclona oculata [with a rich faunal turf on tide-swept Atlantic circalittoral mixed substrata](images/img_bullet.gif)
![Molgula manhattensis [with a hydroid and bryozoan turf on tide-swept moderately wave-exposed Atlantic circalittoral rock](images/img_bullet.gif)
![Sponges and anemones on Atlantic circalittoral vertical bedrock](images/img_bullet.gif)
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![Black sea circalittoral terrigenous muds](images/img_bullet.gif)
![Communities of Marmara circalittoral muddy detritic bottoms](images/img_bullet.gif)
![Black sea upper circalittoral sandy mud](images/img_bullet.gif)
![Black sea upper circalittoral fine mud](images/img_bullet.gif)
![Black sea lower circalittoral mud](images/img_bullet.gif)
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![Arctic offshore circalittoral rock](images/img_bullet.gif)
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![Black Sea offshore circalittoral rock](images/img_bullet.gif)
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![Arctic upper bathyal mixed sediment](images/img_bullet.gif)
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![Black Sea upper bathyal mixed sediment](images/img_bullet.gif)
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![Black Sea lower bathyal mud](images/img_bullet.gif)
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