Common Dynamic Structure of Canada Lynx Populations Within Three Climatic Regions

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Science  13 Aug 1999:
Vol. 285, Issue 5430, pp. 1071-1073
DOI: 10.1126/science.285.5430.1071

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Across the boreal forest of Canada, lynx populations undergo regular density cycles. Analysis of 21 time series from 1821 onward demonstrated structural similarity in these cycles within large regions of Canada. The observed population dynamics are consistent with a regional structure caused by climatic features, resulting in a grouping of lynx population dynamics into three types (corresponding to three climatic-based geographic regions): Pacific-maritime, Continental, and Atlantic-maritime. A possible link with the North Atlantic Oscillation is suggested.

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