How Wolves Change Rivers
en
PG-13
...
March 2014
Documentary
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.
Runtime:
5 minutes
Status:
Released
Original Language:
Spoken Languages:
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Budget:
N/A
Revenue:
N/A
Director:
George Monbiot