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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/441

Title: From patterns to processes: phase and density dependencies in the Canadian lynx cycle
Authors: Stenseth, Nils
Falck, Wilhelm
Chan, Kung-Sik
Bjornstad, Ottar
O'Donoghue, Mark
Tong, Howell
Boonstra, Rudy
Boutin, Stan
Krebs, Charles
Yoccoz, Nigel
Issue Date: 1998
Publisher: National Academy of Sciences
Citation: Proceedings of the National Academy of Sciences of the United States of America, Vol. 95, No. 26. (Dec. 22, 1998), pp. 15430-15435.
Abstract: Across the boreal forest of North America, lynx populations undergo 10-year cycles. Analysis of 21 time series from 1821 to the present demonstrates that these fluctuations are generated by nonlinear processes with regulatory delays. Trophic interactions between lynx and hares cause delayed density-dependent regulation of lynx population growth. The nonlinearity, in contrast, appears to arise from phase dependencies in hunting success by lynx through the cycle. Using a combined approach of empirical, statistical, and mathematical modeling, we highlight how shifts in trophic interactions between the lynx and the hare generate the nonlinear process primarily by shifting functional response curves during the increase and the decrease phases.
URI: http://hdl.handle.net/1807/441
Appears in Collections:Biology

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