RED LIST Biotope Expert Team
Baltic photic zone bottoms with at least 90 % coverage
of hard clay. No perennial attached erect group has ≥ 10 % coverage.
Substrate is hard clay. Depth range: photic zone. Typically
high energy exposure areas.
Diversity, abundance and biomass of fauna.
Whole Baltic Sea
2.3 Hard clay bottoms
2.3.2 Sublittoral photic zone
220.127.116.11 Bottoms with little or no macrophyte vegetation
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