Health of U.S. streams reduced by streamflow modifications and contaminants

July 14, 2013

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http://feedproxy.google.com/~r/sciencedaily/~3/mY6ezW7ji7c/130712100413.htm

A new U.S. Geological Survey report describes how the health of the nation’s streams is being degraded by streamflow modifications and elevated levels of nutrients and pesticides.

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