2015
DOI: 10.1007/s11071-015-2132-z
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Pattern dynamics of a predator–prey reaction–diffusion model with spatiotemporal delay

Abstract: Using the tool of Turing instability for partial differential equations, we investigate the spatiotemporal distributions for solutions of a predatorprey-type reaction-diffusion model with spatiotemporal delay. The linear stability conditions of Turing instability, which induce bifurcation patterns in this model, are obtained. Moreover, according to these conditions, we numerically calculate the bifurcation diagrams by using time delay and the predator rate as parameters. The effects of two parameters in the di… Show more

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Cited by 29 publications
(10 citation statements)
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“…On the other hand, competition between predators alone may allow pattern formation in predator-prey systems, which includes ratiodependent functional response, the Beddington-DeAngelis functional response, and their generalizations [3,33,31]. Pattern formation of predator-prey models with time delay in the functional response due to handing time of the predator is also studied [47,44,9].…”
mentioning
confidence: 99%
“…On the other hand, competition between predators alone may allow pattern formation in predator-prey systems, which includes ratiodependent functional response, the Beddington-DeAngelis functional response, and their generalizations [3,33,31]. Pattern formation of predator-prey models with time delay in the functional response due to handing time of the predator is also studied [47,44,9].…”
mentioning
confidence: 99%
“…Recently, the pattern formation with three or four variables has been investigated, and it obtains promising results [19,20], and Xu et al made a concrete analysis with three variables [21]. As we all know that amplitude equation is a promising tool to investigate the pattern dynamics of the reaction-diffusion system [2,22], however, the amplitude equation is a complex process [3], and the researcher often chose the amplitude equation [23][24][25][26] to investigate the reaction-diffusion system.…”
Section: Introductionmentioning
confidence: 99%
“…The research on nonlinear mechanisms of pattern formation is of great significance for revealing the fundamental laws of natural phenomena. Recently, many researchers have made a great deal of efforts in understanding the pattern self-organization in predator-prey systems [1][2][3][4][5][6][7]. Since the predator-prey systems exist in multi-level and multi-scale in ecosystems, the predator-prey pattern formation reflects the spatiotemporal complexity of ecosystems [8][9][10] and deserves investigation.…”
Section: Introductionmentioning
confidence: 99%
“…In studying the pattern formation of the predator-prey systems, the reaction-diffusion model and Turing instability theory have been widely employed and lots of interesting results have been obtained. For example, Xu et al investigated the spatiotemporal dynamics of a reaction-diffusion predator-prey system with time delay, determining the effects of spatiotemporal delay and predator rate on the spatiotemporal distributions of the species [2]. Brigatti et al explored the classical Lotka-Volterra model, which can control the spatial scale of predator-prey interaction range and found the pattern formation of ecosystems via determining the instability which is driven by the range of interaction [3].…”
Section: Introductionmentioning
confidence: 99%
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