Ecological Implications of Human Alterations to the Nitrogen Cycle Many human activities ... systems can lead to increased acidification in freshwater ecosystems. Nitrogen is arguably the most ...

“We are profoundly changing the water cycle,” she says ... and genetic), land-system change, freshwater change, biogeochemical flows (nitrogen and phosphorus), ocean acidification, atmospheric ...

But not all of the carbon, nitrogen and phosphorus that enter waterways end up downstream. Freshwater ecosystems filter some of the excess pollutants out of the water before it reaches the ocean ...

Ecological Implications of Human Alterations to the Nitrogen Cycle Many human activities ... systems can lead to increased acidification in freshwater ecosystems. Nitrogen is arguably the most ...