English: littoral biogenic reef
Welsh: riff biogenig morlannol
Subject: Amgylchedd
Welsh definition: Littoral sediment includes habitats of shingle (mobile cobbles and pebbles), gravel, sand and mud or any combination of these which occur in the intertidal zone. The Littoral Biogenic Reef habitat complex contains two biotope complexes (littoral Sabellaria reefs, and mixed sediment shores with mussels), encompassing the littoral biotope dominated by the honeycomb worm Sabellaria alveolata, and littoral Mytilus edulis- dominated communities.
Notes: Term o system ddosbarthu EUNIS o gynefinoedd morol. LS.LBR. yw’r Cod Cynefin. Mae’r Cyd-bwyllgor Cadwraeth Natur yn defnyddio system arall o gategoreiddio cynefinoedd morol, yn seiliedig ar system ddosbarthu EUNIS. Yn y drefn honno “intertidal biogenic reef” yw’r term cyfatebol.