Population models in a periodically fluctuating environment |
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Authors: | S Rosenblat |
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Institution: | (1) Department of Mathematics, University of Melbourne, 3052 Parkville, Victoria, Australia |
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Abstract: | Summary We investigate the behavior of population models in the presence of a periodically fluctuating environment. We consider in particular single-species models and models of interspecific competition. It is shown that the fluctuations cause constant equilibrium states to be replaced by periodic equilibrium states, with a shift in the mean value relative to the constant-environment state. It is shown also that the locations of points of exchange of stability may be changed as a result of the fluctuations. |
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Keywords: | Fluctuating environment Competing species |
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