HELCOM RED LIST Biotope Expert Team
Baltic photic zone bottoms with at least 90 % coverage of hard clay. Sessile/semi-sessile epibenthic bivalves cover of at least 10 % of the seabed.
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
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