HELCOM RED LIST Biotope Expert Team
bottoms in the photic zone with more than 10 %, but less than 90 %
coverage of both hard and soft substrata. Perennial algae covers at least
10 % of the seabed and more than other perennial attached erect groups. Out
of the perennial algae, perennial filamentous algae constitutes at least
50 % of the biovolume.
range: >5 psu; Exposure range: moderate to high; Depth range: photic zone
from about 2 meters.
Polysiphonia fucoides, Aegagrophila linnaei, Cladophora rupestris, Rhodomela confervoides
limit of vegetation, amount of epiphytic algae
2.8 Mixed sediment bottoms
2.8.2 Sublittoral photic zone
188.8.131.52 Dominated by macrophyte vegetation
A5 Sublittoral sediment
A5.5 Sublittoral macrophyte-dominated sediment
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