Tag Archives | run off


Fertilizer run-off disrupting food chain in unexpected ways

Conventional wisdom has held that additional nutrients flowing into stream systems causes an increase in production all along the food chain, from the tiniest organisms up to the largest predators. But a long-term, ecosystem-scale study by a team of University of Georgia researchers has now thrown this assumption into question. The researchers found, unexpectedly, that […]

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Something Fishy About Rocketing Oceanic Nitrogen Levels

A Canadian-U.S. study, published in Nature Geoscience, has found that commercial fisheries play an unexpected role in the decline of water quality in coastal waters. Researchers Roxane Maranger and Nina Caraco suggest that the collapse of the fisheries from decades of over fishing has played a significant role in disturbing the balance between nitrogen entering […]

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