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How wolves can alter the course of rivers
When wolves were reintroduced to Yellowstone National Park in the United States after being absent nearly 70 years, the most remarkable "trophic cascade" occurred. What is a trophic cascade and how exactly do wolves change rivers? George Monbiot explains in this movie remix titled, 'How Wolves Change Rivers'.
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How wolves can alter the course of rivers
When wolves were reintroduced to Yellowstone National Park in the United States after being absent nearly 70 years, the most remarkable "trophic cascade" occurred. What is a trophic cascade and how exactly do wolves change rivers? George Monbiot explains in this movie remix titled, 'How Wolves Change Rivers'.
Date: 2/19/14
Views: 129517
Video by:  Jokeroo
 
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