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How Wolves Change Rivers

n/a 5 min

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.

Country: United States of America United Kingdom

Genre: Documentary

Released:2014-03-21

Production: Sustainable Man

Casts: George Monbiot

Year: 2014

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