Wolf numbers in the Superior National Forest of Minnesota.

作者: L. David Mech

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摘要: Seventy-seven radio-tagged wolves (Canis lupus), including members of 12 adjacent packs, were located more than 3,000 times and observed on 1,337 occasions, from 1968 through mid-1973. Projected population estimates for the 4,203 square-mile forest 405 ? 20 winter 1971-72, 388 14 1972-73.

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