HELCOM RED LIST Biotope Expert Team
Baltic bottoms in the photic zone with at least 90 % coverage of shell
gravel; coverage of macroscopic vegetation or sessile macroscopic
epifauna is at least 10 %.
Salinity range: all; Exposure range: moderate to high; Depth range: photic zone
Saccharina latissima, Mytilus spp., Modiolus modiolus, Ciona intestinalis
Photic zone areas consisting of dead mollusc shells or shell fragments.
Coverage of macroscopic vegetation or sessile macroscopic epifauna is at
least 10 %.
South-western Baltic Sea, the Sound
2.6 Shell gravel bottoms
2.6.2Sublittoral photic 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
A5.113 : Baltic shell gravel bottoms in the infralittoral photic zone
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