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. Submerged rooted plants cover least 10 % of the seabed and more than other perennial attached erect groups. Out of the submerged rooted plants, Zannichellia spp. and/or Ruppia spp. and/or Zostera noltii constitute at least 50 % of the biovolume.
range: low to moderate; Exposure range: low to moderate; Depth range: photic
zone from about 0.1 to 4 meters.
Zannichellia palustris, Ruppia maritime, Zostera noltii
limit of vegetation, amount of epiphytic algae
Whole Baltic Sea
2.8 Mixed sediment bottoms
2.8.2 Sublittoral photic zone
126.96.36.199 Dominated by macrophyte vegetation
A5 Sublittoral sediment
A5.5 Sublittoral macrophyte-dominated sediment
A5.53 Sublittoral seagrass beds
A5.534 : [Ruppia] and [Zannichellia] communities
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