How Wolves Change Rivers
Janill Gilbert stashed this in Animals
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.
Wolves are so clever, Janill.
It just shows how much of a balance nature is, one animal removed had so many consequences on the environment.
Yes -- and how it's hard to know the consequences of what might happen when things change.