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Seasonally Varying Predation Behavior and Climate Shifts Are Predicted to Affect Predator-Prey Cycles

Dates

Year
2016

Citation

Rebecca Tyson, and Frithjof Lutscher, 2016, Seasonally Varying Predation Behavior and Climate Shifts Are Predicted to Affect Predator-Prey Cycles: The American Naturalist, v. 0, no. 0, p. 000-000.

Summary

AbstractThe functional response of some predator species changes from a pattern characteristic for a generalist to that for a specialist according to seasonally varying prey availability. Current theory does not address the dynamic consequences of this phenomenon. Since season length correlates strongly with altitude and latitude and is predicted to change under future climate scenarios, including this phenomenon in theoretical models seems essential for correct prediction of future ecosystem dynamics. We develop and analyze a two-season model for the great horned owl (Bubo virginialis) and snowshoe hare (Lepus americanus). These species form a predator-prey system in which the generalist to specialist shift in predation pattern has [...]

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DOI http://sciencebase.gov/vocab/identifierScheme doi:10.1086/688665

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