green algae of Сladophora on stones near the shore in the western crimea, tarkhankut

green algae nladophora thickets algal flora algobiota algology algosociety black sea ceramiales chondria obtusa chondrophycus coastline crimea europe florideophyceae krimea laurencia papillosa laurencieae macrophytes nature oxygen in water synthesis palisada thuyoides photosynthesis plantae rhodomelaceae rhodophyta riparian vegetation saltwater ecology seascape seaweed selfpurification of singlecelled stones surface tide undersea underwater wild wildlife