The reintroduction of wolves to Greater Yellowstone in 1995 ranks as one of the most studied environmental policy events of the last 20 years (e.g., Fischer 1995; Klein 2002; Nie 2003; =-=Phillips and Smith 1996-=-; Wilson 1997). The wolf was not protected under the Lacey Act of ...
The Effects of the Reintroduction of Wolves In the years that followed, wolves brought the elk population down and protected the open valleys from overgrazing. However, the number of elk killed was double than estimated and many local hunters stirred controversy by protesting that the wolves will ...
Today, the park is home to nine beaver colonies, with the promise of more to come, as the reintroduction of wolves continues to astonish biologists with a ripple of direct and indirect consequences throughout the ecosystem. A flourishing beaver population is just one of those consequences, said ...
In 2020, it will have been twenty-five years since one of the greatest wildlife conservation and restoration achievements of the twentieth century took place: the reintroduction of wolves to the world’s first national park, Yellowstone. Eradicated after the park was established, then absent for ...
C. The conflict between farmers and gray wolves. D. The reintroduction of wolves to Yellowstone Park. 相关知识点: 试题来源: 解析 Passage 15 【语篇导读】 本文是一篇说明文。 介绍了由于灰狼在美 国黄石公园和美洲大陆数量的减少,给当地环境带来一系 列的影响,以及人们针对此问题所做出的努力。 1....
The reintroduction of wolves to Yellowstone Park.29. What does the underined word " displaced" in paragraph 2mean?A.Tested.B. Separated.C. Forced out.D. Tracked down.30. What did the disappearance of gray wolves bring about?A. Damage to local ecology.B. A decline in the park's income...
The reintroduction of wolves to Yellowstone has been mostly positive While the true impact of wolves on Yellowstone is still somewhat debated, scientists generally agree that the reintroduction result has been mostly positive regarding a number of species, small and large, while even plant life has ...
the different things in an environment. In the case of the wolf reintroduction, it’s impossible to say with total certainty that the wolves were theonlyreason that the Yellowstone ecosystem recovered. And even more surprising, it seems like parts of Yellowstone may have even not recovered at ...
New research shows that the effects of wolves on the recovery of aspen has been exaggerated by how it was measured. It’s an environmental success story that feels like a parable—the reintroduction of wolves in Yellowstone National Park in the mid-1990s triggered a cascade of effects that ...
Why did biologists suggest the reintroduction of wolves into Yellowstone? A. To reduce the park's plant diversity. B. To protect the wolves from dying out. C. To control the local livestock problem. D. To limit the deer and coyote populations.31. Which statement best summarizes the writer'...