How Wolves Change Rivers
0
5min
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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Genre:
Documentary
Released: 2014-03-21
Production:
Sustainable Man
Casts:
George Monbiot
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