The Ecology of Fear
Scientists Say Wolves Are Helping Restore Yellowstone’s Ecosystem
by Jeff Welsch, emagazine.com
For four years, they toiled in parallel wilderness laboratories a thousand miles from home, both quietly minding their own business, which is plant science. Bill Ripple and Bob Beschta were working in separate obscurity, attempting to explain the decline and rise of three key tree species in Yellowstone National Park’s northern range.