How Wolves Change Rivers

How Wolves Change Rivers

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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.

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Country: United States of America, United Kingdom

Language: English

Studio: Sustainable Man

Runtime: 5 minutes

Quality: HD

Released: Mar 21, 2014

IMDb: 10

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