How Wolves Change Rivers

Name: How Wolves Change Rivers
Director: George Monbiot
Genre: Documentary
Released: 2014-03-21T00:00:00.000000Z
Duration: 5 min
Cast: George Monbiot

20145m

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.