How Wolves Change Rivers(2014)
03/21/2014 (US)Documentary0h 5m
NR
Overview
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.
George Monbiot
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George Monbiot
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How Wolves Change Rivers
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