The return of wolves and other predators to Yellowstone has reduced elk browsing, allowing aspen trees to grow back for the ...

Quaking aspen, one of the few deciduous tree species in the northern Rocky Mountain ecosystem, is once again thriving, after suffering severe decline during the 20th century, according to the… ...

I’m pretty sure this was a quaking aspen (Populus tremuloides) or as many of us New Englanders know them, a quaking poplar. When I think of a "cheery" tree, I think of quaking aspens.

The apex predators, restored to the park in 1995, appear to be keeping the local population of plant-eating elk in check, ...

Quaking aspen is one of the most widely distributed species in North America, and it is the primary land cover in much of the Rocky Mountains. Many of its traits make it an adaptable species.

The reintroduction of large carnivores has initiated a recovery process that had been shut down for decades,” says Painter in a statement.

Gray wolves were reintroduced in Yellowstone National Park in 1995 to help control the numbers of elk that were eating young ...

This week, we introduce the quaking aspen or populus tremuloides. The quaking aspen, also known as the trembling aspen, is adaptable to a variety of soils, ranging from moist loamy sands and clay, but ...

If you journey to Fishlake National Forest in Utah, you'll be surrounded by a high-elevation behemoth. It's one of the largest life forms on the planet: a quaking aspen so colossal it has a name ...

In the mountains above Flagstaff, each year brings an autumnal leaf season — thanks to the presence of one of the area’s iconic sights, the quaking aspen. In the spring, they burst with nearly ...

Quaking aspen, one of the few deciduous tree species in the northern Rocky Mountain ecosystem, is once again thriving, after suffering severe decline during the 20th century, according to the… ...