How Wolves Change Rivers

How Wolves Change Rivers

2014 0h 5mDir. George Monbiot
Documentary

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.

Cast & Crew

George Monbiot

George Monbiot

Narrator

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