Ecological Implications of Human Alterations to the Nitrogen Cycle Many human activities have ... dinoflagellates have been associated with high fish and shellfish mortality in some areas.

Nitrogen from urine forms a large part of this nutrient cycle but sloughed skin ... and provide food for sharks and other fish and many invertebrates.” Whales feed in high-latitude, food ...

Ecological Implications of Human Alterations to the Nitrogen Cycle Many human activities have ... dinoflagellates have been associated with high fish and shellfish mortality in some areas.