
0 votes
2014
5m
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.
Directed by George Monbiot
Status
Released
Release date
March 21, 2014
Budget
—
Revenue
—
Language
English

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