Ключевые слова: alga, algae, algae thickets, algal flora, algobiota, algology, algosociety, black sea, bluegreen, brown, dirty, drought, dry, dry green, drying estuary, ecosystem, europe flora, eutrophication, flora, grass, green, green algae, macrophytes, nature, oxidation, oxygen in water, oxygen synthesis, photosynthesis, plant, red algae, riparian vegetation, saltwater, sea ecology, seagrass, seaweed, selfpurification of water, shallow, singlecelled, vegetation, wildlife, zostera,