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 ...
A 20-year study on the effects of reintroducing wolves into Yellowstone ... food sources, willow and aspen trees remain threatened. "When you disturb ecosystems by changing the makeup of a food ...
Meanwhile biologists Bill Ripple and Eric Larsen were probing into another mystery – the disappearance of aspen trees ... Wolf reintroduction, predation risk, and cottonwood recovery in ...