When the sun sets at dawn: Without top predators, ecosystems turn topsy-turvy

Sunday, September 28, 2008

Without top predators, ecosystems turn topsy-turvy

Without Top Predators, Ecosystems Turn Topsy-Turvy Stefan Lovgren for National Geographic News April 26, 2005 When the construction of a hydroelectric dam on Venezuela's Caroni River was finally completed in 1986, it flooded an area twice the size of Rhode Island, creating one of South America's... Sign in to see full entry.

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