Emergence of spatiotemporal chaos arising from far-field breakup of spiral waves in the plankton ecological systems-中国期刊网

摘要 Ithasbeenreportedthattheminimalspatiallyextendedphytoplankton-zooplanktonsystemexhibitsbothtemporalregular/chaoticbehaviour,andspatiotemporalchaosinapatchyenvironment.Asafurtherinvestigationbymeansofcomputersimulationsandtheoreticalanalysis,inthispaperweobservethatthespiralwavesmayexistandthespatiotemporalchaosemergewhentheparametersarewithinthemixedTuring-Hopfbifurcationregion,whicharisesfromthefar-fieldbreakupofthespiralwavesoveralargerangeofdiffusioncoefficientsofphytoplanktonandzooplankton.Moreover,thespatiotemporalchaosarisingfromthefar-fieldbreakupofspiralwavesdoesnotgraduallyinvadethewholespaceofthatregion.Ourresultsareconfirmedbynonlinearbifurcationofwavetrains.Wealsodiscussecologicalimplicationsofthesespatiallystructuredpatterns.

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Emergence of spatiotemporal chaos arising from far-field breakup of spiral waves in the plankton ecological systems

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Emergence of spatiotemporal chaos arising from far-field breakup of spiral waves in the plankton ecological systems

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