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How Wolves Change Rivers

How Wolves Change Rivers

Mar. 21, 2014United Kingdom5 Min.NR
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7 1 vote

Synopsis

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.
Original title How Wolves Change Rivers
IMDb Rating 7.9 20 votes

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