Reaction-diffusion wave fronts: Multigeneration biological species under climate change

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A generalization of reaction-diffusion models to multigeneration biological species is presented. It is based on more complex random walks than those in previous approaches. The new model is developed analytically up to infinite order. Our predictions for the speed agree to experimental data for several butterfly species better than existing models. The predicted dependence for the speed on the number of generations per year allows us to explain the change in speed observed for a specific invasion. © 2002 The American Physical Society.
Original languageEnglish
Pages (from-to)4
JournalPhysical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
Publication statusPublished - 12 Dec 2002


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