HELCOM RED LIST Biotope Expert Team
aphotic bottoms at least 90 % coverage of shell gravel. Epibenthic chordates
cover at least 10%of the seabed and more than other perennial attached erect
groups. Out of the epibenthic chordates, vase tunicate constitutes at least 50
% of the biomass.
is shell gravel.
from German waters in the Baltic Sea
2.6 Shell gravel bottoms
2.6.1 Aphotiz 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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This biotope has been listed as Vulnerable (VU) in the HELCOM Red List of Baltic Sea biotopes and habitats.