thickets sea algae, brown seaweed (cystoseira barbata, sargassaceae) in the coastal zone of the sea, crimea black sea

cystoseira alga algae thickets algal flora algobiota algology algosociety aquatic barbata black sea bluegreen ceramium compressa ecology enteromorpha europe eutrophication fucales grass green macrophytes marine nature oxidation oxygen in water synthesis photosynthesis riparian vegetation saltwater sargassaceae seaside seaweed selfpurification of ulva underwater world wildlife ecological landscape plant