Baltic ciralittoral hard clay characterized by Mytilidae

Baltic circalittoral bottoms in the aphotic zone with at least 90 % coverage of hard clay. Epibenthic bivalves cover less then 10%of the seabed and more than other perennial attached erect groups. Out of the epibenthic bivalves, Mytilidae constitutes at least 50 % of the biomass.$$$Physical environment $$$Substrate is hard clay. Occur at high energy exposure areas.$$$Characteristic species $$$Mytilus spp., Modiolus modiolus

Código Eunis 2021: MC13A1