ID 311284076 © Aldonagriskeviciene | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
eutrophication pollution water ecology ecosystem environmental algal blooms fish factories farm plant algae nitrogen phosphorus oxygen industrialization urbanisation agriculture waste nutrient sewage urban lake river balance aquatic freshwater marine problem growth photosynthesis sunlight carbon dioxide fertilizers sediments biomass industry cyanobacteria drinking hypoxia ponds science education biology phytoplankton nature