(MN) Minneapolis Star Tribune – Research happens up close in the world’s longest continuous study of predators and prey at Isle Royale National Park in Lake Superior. Peterson has been watching and counting moose and wolves in this wilderness off Minnesota’s North Shore for nearly 40 of the study’s 51 years, in summer by foot and in winter by air.
Now that continuity is at a breaking point. The island’s moose population is nearing a 50-year low, and what’s bad for the moose is worse for the wolves that depend on them. Peterson can see the day when the wolves die out on Isle Royale, and scientists must confront far-reaching questions: Should we intervene to help the wolves survive, or let them die out and start again? What role should humans play to preserve an ecosystem? More