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Protected Wolves in Alaska Face Peril

Protected Wolves in Alaska Face Peril From Beyond Their Preserve

By JOANNA KLEIN

A wolf from a den within Yukon-Charley Rivers National Preserve in Alaska. A study found that limiting the population of wolves outside the preserve affected those within its boundaries. Credit Drew Rush/National Park Service

Within the 2.5 million acres of the Yukon-Charley Rivers National Preserve in central Alaska, wolves and other majestic animals are protected. But animals like wolves do not respect lines drawn on a map. And a recent study suggests that efforts to limit populations of these predators outside those borders is having negative effects on wolves living within the preserve.