HELCOM RED LIST Biotope Expert Team
Baltic bottoms in the aphotic zone with at least 90 % coverage of shell gravel.
Substrate is shell gravel.
Aphotic zone areas consisting of dead mollusc shells or shell fragments.
2.6 Shell gravel bottoms
2.6.1 Aphotic zone
Shell gravel bottoms
habitat under threat and/or in decline in all areas of occurrence
The Southern Baltic Proper, The Gulf of Gdansk, Bay of Mecklenburg, , Kiel Bay, Little Belt, Great Belt, The Sound, Kattegat
A5 Sublittoral sediment
A5.1 Sublittoral coarse sediment
A5.11 Infralittoral coarse sediment in low or reduced salinity
A5.115 Baltic shell gravel bottoms of the aphotic zone
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