Ключевые слова: algae, algal, background, bacteria, biological, chlorophyll, coast, cyanobacteria, cyanophycea, dirty, ecology, environment, environmental, fertilize, flora, forest, fresh water, global, grass, green, growing, growth, harmful, lacquer, landscape, microbiology, microorganism, microscopic, natural, nature, overgrown, phytoplankton, plants, polluted, pollution, pond, problem, reflection, river, science, sea, spring, toxic, vacation, water, weather, wild, wilderness,