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Demography of a recovering wolf population in the Yukon

Dates

Year
2000

Citation

Hayes, R. D., and Harestad, A. S., 2000, Demography of a recovering wolf population in the Yukon: Canadian Journal of Zoology/Revue Canadien de Zoologie, v. 78, no. 1, p. 36-48.

Summary

We studied the dynamics of a wolf (Canis lupus) population recovering from intensive reduction in the Finlayson Lake area, Yukon, Canada. Within 6 years, numbers increased from 29 wolves, then stabilized at 245. The colonization of vacant territories by young wolf pairs was the primary mechanism of early population recovery. Reproduction and a low dispersal rate increased pack size in later years, and pack splitting allowed dispersing wolves to remain near natal packs. The rate of increase in the wolf population was density-dependent and related to wolf density, but was also related to the dispersal rate. The dispersal rate was density-independent and related to mean pack size and prey biomass: wolf index. The survival rate was age-dependent [...]

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