Stock Photo: Sunset On A Freshwater Reservoir In Czech Republic

KEYWORDS

afternoon agricultural algae algal aquatic biodiversity bloom blue-green boat canal capacity conservation czech dam discharge drinking dusk ecological ecosystem ecosystems environment environmental eutrophication evening excessive fish fisheries flood freshwater green groundwater harmful hubenov inputs irrigation lake maintenance man-made management microscopic mitigation natural nature negative nitrogen nutrient nutrients oxygen phosphorus phytoplankton plant pond purposes recreation red reflection republic reservoir riparian river runoff sediment sewage shoreline storage stump sunlight sunset surface swimming temperature toxins tree water watershed waterway wetland wetlands wilderness wildlife