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How Wolves Change Rivers

"When we try to pick out anything by itself, we find it hitched to everything else in the Universe." - John Muir

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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Added: Feb-15-2014 Occurred On: Feb-15-2014
By: dcmfox
Tags: How, Wolves, Change, Rivers
Marked as: featured
Views: 298175 | Comments: 790 | Votes: 314 | Favorites: 201 | Shared: 19600 | Updates: 0 | Times used in channels: 3
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