HELCOM RED LIST Biotope Expert Team
Baltic bottoms in the photic zone with more than 10 %, but less than 90 % coverage of both hard and soft substrata. Coverage of soft crustose algae is at least 10 %, while perennial attached erect groups and unattached algae cover less than 10%.
Salinity range: moderate to high; Exposure range: moderate to high; Depth range: photic zone, more common in the deepest and the most shallow parts.
Hildenbrandia spp., Pseudolithoderma spp.
Whole Baltic Sea
2.8 Mixed sediment bottoms
2.8.2 Sublittoral photic zone
18.104.22.168Dominated by macrophyte vegetation
A5 Sublittoral sediment
A5.5 Sublittoral macrophyte-dominated sediment
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