Ключевые слова: abstract, abstract background, algae, algae bloom, algae in the lake, aquatic, background, bacteria, bad ecology, beautiful, biofilm, biology, bluegreen, closeup, color, cyanobacteria, dirty green water, ecological, ecology, ecosystem, environment, environmental problem, eutrophication, field, floating, flora, green, green background, green water, harmful, liquid, microorganisms, natural, nature, nature reserve, outdoor, outdoors, oxidation, oxygen in water, pattern, phytoplankton pollution, pollution, pond, seaweed, sunlight, surface, swamp, texture, virus background, water, water fowl, water pollution, wild, wildlife,