Ключевые слова: algae, algal bloom, background, beautiful, biology, bloom, blooming, calm, clear, closeup, color, contaminated, dirt, dirty, ecology, ecosystem, environment, environmental, evergreen, green, green moss, growth, harmful, lake, marsh, natural, nature, organism, outdoor, outdoors, plankton, plant, polluted, pollution, pond, scene, scenic, scum, season, slime, summer, surface, swamp, textured, tranquility, view, water, weed, wet, wetlands,