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

How Wolves Change Rivers

How Wolves Change Rivers

Mar 27, 2014-- When wolves were reintroduced to Yellowstone National Park in the United States after being absent for nearly 70 years, the most remarkable "trophic cascade" occurred. What is a trophic cascade and how exactly do wolves change rivers? British environmental journalist George Monbiot explains in this video remix by Sustainable Man. (10323 reads)


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