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| Warming Alters Predator-Prey Balance |
| Published: July 21, 2008, 12:00 am |
| Tags: Warming, Alters, Predator Prey, Balance, John Vucetich, Rolf Peterson, National Park Service, Durward Allen, Lake Superior, Michigan Technological University, National Science Foundation, Purdue University, Minnesota |
| ISLE ROYALE, Mich. -- For six decades since they loped across frozen Lake Superior to reach this rocky island, wolves have roamed 45-mile-long Isle Royale, the nation's least-visited national park. |
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