RED LIST Biotope Expert Team
bottoms in the aphotic zone with at least 90 % coverage of anthropogenic
origin. Hard substrates dominate.
range: all; exposure range from sheltered to exposed; depth range aphotic zone.
bottoms of which at least 90 % is modified by man. Includes underwater
constructions, dredged holes and spoil grounds.
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HELCOM HUB: Technical Report on the HELCOM Underwater Biotope and habitat classification BSEP 139