Trees

Falling Trees A Danger In Black Hills Forest
RAPID CITY, S.D. (AP) — U.S. Forest Service officials say falling trees pose an increasing threat to hikers, bikers, campers and others in the Black Hills National Forest of western South Dakota and northeastern Wyoming.
The reason is that pine trees killed by mountain pine beetles on hundreds …
Study: Yellowstone Wolves Help Trees Rebound
BILLINGS, Mont. (AP) — Scientists say in a new study that the return of gray wolves has dramatically altered the landscape in portions of Yellowstone National Park by curbing foraging elk herds that prevented new aspen, willow and cottonwood trees from taking root...