根据第一段中的Since the Yellowstone Wolf Project waslaunched in 1995 when wolves werereintroduced to Yellowstone NationalPark及第三段中的It took 21 years,butin January 1995 . relocated toYellowstone's Lamar Valley可知,从1995年开始,狼被重新引入黄石国家公园。22.D。细节理解题。根据第三段中的Its...
Restoring Yellowstone's aspen with wolves Wolves ( Canis lupus ) were reintroduced to Yellowstone National Park in 1995–1996. We present data on a recent trophic cascade involving wolves, elk ( Ce... WJ Ripple,RL Beschta - 《Biological Conservation》 被引量: 566发表: 2007年 Trophic ...
When is mating season for wolves? When were grey wolves reintroduced to Yellowstone? Where are zebras native to? When were mountain gorillas discovered? When did modern humans and Neanderthals start interacting? When did the similar traits of orangutan and humans evolve?
Linking wolves to willows via risk-sensitive foraging by ungulates in the northern Yellowstone ecosystem After an absence of approximately 70 years, gray wolves (Canis lupus) were re-introduced into Yellowstone National Park in the mid-1990s. We studied the po... William,J.,Ripple,... - 《Fo...
Where are wolves native to? When were grey wolves reintroduced to Yellowstone? Where have wolves been reintroduced? Are dingoes descended from wolves? Do wolves live in the Rocky Mountains? How do wolves howl? What did wolves evolve from? Are African wild dogs descended from wolves? Are wolve...
1. Why did the man pour the eels into the lake? A.To challenge the law.B.To increase the local species. C.To keep the eels alive.D.To become a web celebrity. 2. Why did the released eels become a concern? A.They might get caught once again. ...
For workers at publicly held companies, it literally pays to have a very powerful boss. A new study found that entrenched CEOs – those who have more control rights in their company than all other shareholders combined -- pay their workers about 6 percen
Roots can be "listened to" while growing – and worms when burrowing. Researchers from ETH Zurich and the French National Institute for Agricultural Research present a new method for soil analysis.
When were Neanderthals discovered? When do emperor penguins migrate? Who domesticated dogs? When do roosters crow? When do red foxes sleep? Can red foxes be domesticated? When were grey wolves reintroduced to Yellowstone? What do mountain goats eat in the Rocky Mountains?