Film2014· 5 min
How Wolves Change Rivers
Documentary
IMDb0.0
- Spilletid
- 5 min
- Språk
- English
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.
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Medvirkende
Regissør
George Monbiot
Om filmen
- Spilletid
- 5 min
- Språk
- English