algal mess move in laminar flow after storm, green algae ulva, cladophora, bryopsis oxygenate air bubble, low salinity

cladophora sericea enteromorpha albida ulva intestinalis aquatic bottom coast shallow ceramium underwater environment flora grow thicket biotope landscape aquascape stone marine odesa rock coquina salt saltwater ocean seascape seaweed submerged summertime travel wildlife swim exploration space shell gravel sand turquoise vegetation wave macrophyte algosociety photosynthesis oxygen synthesis selfpurification eutrophication snorkel ukraine perspective dof