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 annual algae is at least 10 %, while all other macroscopic epibenthic biotic structures cover less than 10%.
Salinity range: moderate to high; Exposure range: all; Depth range: photic zone, more common in the deepest and the most shallow parts.
Cladophora glomerata, Ceramium tenuicorne, Ulva spp., Pilayella littoralis, Dictyosiphon spp., Chorda filum, Halosiphon tomentosus
Whole Baltic Sea
2.8 Mixed sediment bottoms
2.8.2 Sublittoral photic zone
22.214.171.124 Dominated by macrophyte vegetation
A5 Sublittoral sediment
A5.5 Sublittoral macrophyte-dominated sediment
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HELCOM HUB: Technical Report on the HELCOM Underwater Biotope and habitat classification BSEP 139