Yellowstone takes measures to prevent mussels' spread
(AP) — Yellowstone National Park officials are installing barriers in front of boat launches in an attempt to prevent invasive mussels recently discovered in Montana from spreading to the park and into the Columbia River Basin. The moveable barriers will be installed at launches at Yellowstone and Lewis lakes to keep uninspected boats from entering the lakes when check stations and entry points aren't staffed in the early mornings and at night, the Jackson Hole News and Guide reported (http://bit.ly/2rCu4bM).... Читать дальше...