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Chaotic advection of reacting substances:Plankton dynamics on a meandering jet

Lopez, Cristobal; Neufeld, Zoltan; Hernandez-Garcia, Emilio; Haynes, Peter H.
Physics and Chemistry of the Earth B 26, 313-317 (2001)

We study the spatial patterns formed by interacting populations
or reacting chemicals under the influence of chaotic flows. In
particular, we have considered a three-component model of plankton
dynamics advected by a meandering jet. We report general results,
stressing the existence of a smooth-filamental transition in the
concentration patterns depending on the relative strength of the
stirring by the chaotic flow and the relaxation properties of
planktonic dynamical system. Patterns obtained in open and closed
flows are compared.