Baltic infralittoral rock and boulders characterized by microphytobenthic organisms and grazing snails

Baltic bottoms in the photic zone with at least 90 % coverage of rock, boulders or stones of more than 63 mm in diameter. Less than 10 % of the seabed is covered by perennial vegetation or attached epifauna. Microphytobenthic organisms and snails dominate.$$$Physical environment $$$Substrate is rock and/or boulders. Appears in all wave exposure classes.$$$Characteristic species $$$Snails, e.g. Hydrobia spp., Potamopyrgus antipodarum, Theodoxus fluviatilis, Bithynia spp., Radix spp..$$$Geographic range $$$Whole Baltic Sea, most typical in low salinity northern areas of the Baltic Sea

Código Eunis 2021: MB13C