RED LIST Biotope Expert Team
bottoms in the photic zone with at least 90 % coverage of sand. Sand has
less than 20 % of mud/silt/clay fraction (<63 µm), and the proportion of
sand (grain size 0.063–2 mm) exceeds 70% of the combined gravel and sand
fraction. Macroscopic infauna present, no macrovegetation or epibenthic
range: all; Exposure range: all; Depth range: photic zone
Bathyporeia pilosa, Arenicola marina, Macoma balthica, Mya arenaria, Cyathura carinata
zone areas with pure sand, often characterized by ripple marks. Sediment must
contain less than 20 % of mud/silt/clay fraction (<63 µm), and
more than 70 % of sand (grain size 0.063–2 mm ). Macroscopic infauna
present, no macrovegetation or epibenthic macrofauna.
sediment covering the sand will decrease the quality.
Whole Baltic Sea
caused by eutrophication, dredging spoil deposition etc.
2.5 Sandy bottoms
2.5.2 Sublittoral photic zone
18.104.22.168 Level bottoms with little or no macrophytevegetation
A5 Sublittoral sediment
A5.2 Sublittoral sand
A5.21 Sublittoral sand in low or reduced salinity
A5.211 Baltic level sandy bottoms of the infralittoral photic zone with
little or no macrophyte vegetation
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