How Wolves Change Rivers in Yosemity Park
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How Wolves Change Rivers in Yosemity Park
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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 in this movie remix.
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Category: science
Date: 2017-05-20 19:51:08
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