How Wolves Change Rivers

Name: How Wolves Change Rivers
Director: George Monbiot
Genre: Documentary
Released: 2014-03-21
Duration: 5 min
Cast: George Monbiot

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2014 · 5 min · 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.

Directed by George Monbiot

Cast

George Monbiot — Narrator