Ключевые слова: abstract, alga, algae, aquatic, background, bacteria, biofilm, biology, blue, bluegreenbacteria, closeup, color, contaminated, covered, cyanobacteria, cyanobacteriabiofilm, cyanophyta, dump, ecology, environment, european, flora, grass, green, greenbiofilm, grow, growth, lake, leaf, nature, organic, organism, photosynthetic, plankton, planktonic, plant, polluted, pollution, pond, river, slime, slimy, stagnant, summer, surface, toxic, unhealthy, vegetation, water, wet,