FAIRBANKS - The National Park Service has closed sport hunting and trapping for wolves in the Yukon-Charley Rivers National Preserve east of Fairbanks.
The Park Service says the closure aims to preserve the ecosystem and a harvest for subsistence hunters and trappers.
Officials say the wolf population in the preserve has dropped from 42 last fall to 26 this spring.
The Fairbanks Daily News-Miner reports the Park Service announced plans for the closure last month after state wildlife biologists in a helicopter shot and killed four wolves. Two were wearing radio collars as part of a predator management study.
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