大银幕
How Wolves Change Rivers
2014美国5 分钟★ 0.0
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.
站内评分0.0
IMDb
豆瓣
浏览热度11
★ 7.3
★ 6.9
★ 7.6
★ 8.4
★ 8.4
★ 7.0
★ 6.2
★ 6.6
★ 7.6
★ 6.5
★ 5.9