In North America, Mike Proctor has conducted a seminal study of grizzly bears. His grizzly DNA study demonstrates perfectly the fragmentation of habitat from Yellowstone Park to the Yukon Territory. Fortunately, his bear radio collars show the solution, the location of key corridors that bears use to move and interbreed.
Harvey Locke is Co-founder and Strategic Advisor to the Yellowstone to Yukon Conservation Initiative. He served as President or Vice President of the Canadian Parks and Wilderness Society for 17 years and is currently its Senior Advisor, Conservation. He is a member of the IUCN World Commission on Protected Areas, and is globally known for his work on wilderness, national parks and large landscape conservation.