brown algae macrophytes cystoseira barbata and other green and red algae at the bottom of the tiligul estuary, black sea

alga algae thickets algal flora algobiota algology algosociety aquatic plant bluegreen briopsis ceramium chlorophyll chlorophyta cladophora coastline ecological ecology enteromorpha environment estuary eutrophication grass green macrophytes marine nature oxidation oxygen in water synthesis photosynthesis plumosa polisiphonia saltwater sea seaside seaweed selfpurification of tiligul ulva undersea underwater world wild wildlife