It appeared that the aspen trees had stopped regenerating around the 1930s. One significant change happened in Yellowstone back then. All the park's resident wolves were dead. Between 1883 and ...

A 20-year study on the effects of reintroducing wolves into Yellowstone National Park ... which led to the decimation of willow and aspen trees along small streams. In turn, beavers that used ...

BILLINGS – For more than a decade a passionate debate has reverberated within Yellowstone National Park’s scientific community regarding wolf reintroduction. Did wolves improve aspen growth by ...

Kevin Costner was spotted taking his yellow Labrador for a walk in Aspen accompanied by a mystery ... shockingly killed off in during season 5B of Yellowstone. The Bull Durham star, 69, had ...

So in certain habitats of Yellowstone National Park, plant species such as willow and aspen are now in greater abundance since wolves were reintroduced in the 1990s. This denser vegetation can ...

Four grey wolves cross a minimalist landscape of naked aspens and snow in Yellowstone National Park, USA. It was early spring in the Lamar Valley, and this pack was in search of its next meal.

Larsen, E.J. and Ripple, W.J. (2001). Aspen overstory recruitment in northern Yellowstone National Park during the past 200 years. In Sustaining Aspen in Western Landscapes: Symposium Proceedings ...