Ключевые слова: branch, conservation, countryside, dirty, ecology, ecosystem, environment, europe, floating, flood, flow, fluid, forest, freshwater, habitat, inundation, landscape, liquid, marsh, natural, nature, outdoor, poplar, rain, riparian forest, river, riverbank, riverside, scenery, silver poplar, slovakia, standing, stream, surface, swamp, terrain, tree, trunk, unspoiled, vegetation, water, wet, wetland, wilderness, woodland,