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An evaluation of linear models of population fluctuations

Nisbet, R.M. and Gurney, William and Pettipher, M.A. (1977) An evaluation of linear models of population fluctuations. Journal of Theoretical Biology, 68 (1). pp. 143-160. ISSN 0022-5193

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Abstract

The analysis of non-linear stochastic population models is notoriously difficult and there is little or no data against which they may be tested. It is therefore important to investigate the range of validity of models of fluctuating populations which are linear in the deviation of the population from its mean value. In this paper we demonstrate the robustness of some well-known, linear methods of analysing fluctuations, the power of the methods being evaluated by comparison with numerical results for some non-linear models involving demographic or environmental stochasticity.