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. Perennial moss cover at least 10 % of the seabed and more than other perennial attached erect groups.
Salinity range: <5 psu; Exposure range: all, more common in exposed areas; Depth range: photic zone usually from about 1 to 7 meters
Bothnian Bay. to the northern Bothnian Sea, Eastern Gulf of Finland
HELCOM 1998:2.1 Rocky bottoms2.1.1 Soft rock188.8.131.52 Sublittoral photic zone184.108.40.206.2 Level bottoms dominated by macrophytevegetation2.1.2 Solid rock (bedrock)220.127.116.11 Sublittoral photic zone18.104.22.168.1 Level bottoms dominated by macrophytevegetation2.2 Stony bottoms2.2.2 Sublittoral photic zone22.214.171.124 Level bottoms dominated by macrophyte vegetationEUNIS 2012:A3.4 : Baltic exposed infralittoral rockA3.5 : Baltic moderately exposed infralittoral rockA3.6 : Baltic sheltered infralittoral rock
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