HELCOM RED LIST Biotope Expert Team
Baltic bottoms in the photic zone with at least 90 % coverage of rock, boulders or stones of more than 63 mm in diameter. Sessile/semi-sessile epibenthic bivalves cover at least 10 % of the seabed and more than other perennial attached erect groups.
Salinity range: All; Exposure range: all, more common in exposed areas; Depth range: photic zone
Mytilus spp, Dreissena polymorpha
Diversity, abundance and biomass of fauna associated with the mussel beds.
Whole Baltic Sea
2.1 Rocky bottoms
2.1.1 Soft rock
126.96.36.199 Sublittoral photic zone
2.1.2 Solid rock (bedrock)
188.8.131.52 Sublittoral photic zone
2.2 Stony bottoms
2.2.2 Sublittoral photic zone
EUNIS 2012: A3.4 : Baltic exposed infralittoral rock A3.5 : Baltic moderately exposed infralittoral rock A3.6 : Baltic sheltered infralittoral rock
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