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Density Dependence and Survival of Elk in Northwestern Wyoming
John R. Sauer and Mark S. Boyce
The Journal of Wildlife Management
Vol. 47, No. 1 (Jan., 1983), pp. 31-37
Stable URL: http://www.jstor.org/stable/3808049
Page Count: 7
You can always find the topics here!Topics: Elks, Survival rates, Population density, Mortality, Winter, Climate models, Hunting, Feedlots, Calves, Standard error
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Survival rates of elk (Cervus elaphus) were estimated from tag recovery data. Correlations of yearly survival rates of cow and female calf elk with climatic, hunter kill, and elk population density variables indicate that cow survival varies with climate, but female calf survival changes with both climate and cow population density. Although a variety of climatic, population density, and other environmental factors probably interact to determine elk survival, we could only demonstrate density-dependent survival in calf elk. Age-specific density dependence should be incorporated into models of elk population dynamics to ensure accurate predictions of elk population densities and maximum sustained yields.
The Journal of Wildlife Management © 1983 Wiley