… impaired ingestion of food and communication of the benthic and aquatic fauna, for example. Mud clouds in the lighted upper water layers affect the phytoplankton which … affects the ecologically particularly valuable areas of the deep seabed, since, for example, areas with a high nodule density often are of extraordinary biodiversity. … impaired ingestion of food and communication of the benthic and aquatic fauna, for example. Mud clouds in the lighted upper water layers affect the phytoplankton which …