Baltic ciralittoral rock and boulders characterized by sparse epibenthic bivalves

Baltic circalittoral bottoms in the aphotic zone with at least 90 % coverage of rock, boulders or stones of more than 63 mm in diameter. Sessile/semi-sessile epibenthic bivalves cover l 10 % or less of the seabed and more than other perennial attached erect groups.$$$Physical environment $$$Substrate is rock and boulders. Depth is typically from approximately20 meters and deeper. $$$Characteristic species $$$Mytilus spp.

Código Eunis 2021: MC131