How Wolves Change Rivers

How Wolves Change Rivers (2014)

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.

上映日期
2014-03-21
片长（分钟）
5分钟
类型
纪录
导演
George Monbiot

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