タグ

2012年10月4日のブックマーク (1件)

  • Opinion | Why the Beaver Should Thank the Wolf (Published 2012)

    San Francisco THIS month, a group of environmental nonprofits said they would challenge the federal government’s removal of Endangered Species Act protections for wolves in Wyoming. Since there are only about 328 wolves in a state with a historic blood thirst for the hides of these top predators, the nonprofits are probably right that lacking protection, Wyoming wolves are toast. Many Americans, e

    Opinion | Why the Beaver Should Thank the Wolf (Published 2012)
    fujikumo
    fujikumo 2012/10/04
    オオカミのような、食物連鎖のトップに立つ肉食獣は、生態系全体の健全性にとって重要。Yellowstone国立公園では、オオカミが再導入されたが、それによって、草食獣の行動パターンが変化し、現地の植生が回復。