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News Release 10-189
A River Ran Through It
Nature and humans leaving mark on rivers and streams, affecting aquatic food webs
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A now dry Colorado River delta branches into the Baja/Sonoran Desert near the Sea of Cortez.
Credit: Pete McBride
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Scientist John Sabo navigates a Grand Canyon study site; the Unkar rapid is dead ahead.
Credit: John L. Sabo
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The Glen Canyon Dam releases high flows of Colorado River water.
Credit: Thomas Ross Reeve, Bureau of Reclamation
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The Colorado River runs dry on the U.S./Mexican border two miles below the Morelos Dam.
Credit: Pete McBride
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The Grand Canyon wall near the confluence of the little Colorado River and the Colorado River.
Credit: John L. Sabo
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The Agua Fria River in Yauapai County, Arizona, one of 36 rivers in the recent study.
Credit: John L. Sabo
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The cover of the October 15, 2010 issue of the journal Science.
Credit: Copyright AAAS 2010
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