Computational Ecology and Software, 2015, 5(1): 16-27
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Turing and Non-Turing patterns in diffusive plankton model

N. K. Thakur1, R. Gupta1, R. K. Upadhyay2
1National Institute of Technology, Raipur, India
2Indian School of Mines, Dhanbad, India

Received 14 October 2014;Accepted 20 November 2014;Published online 1 March 2015

In this paper, we investigate a Rosenzweig-McAurthur model and its variant for phytoplankton, zooplankton and fish population dynamics with Holling type II and III functional responses. We present the theoretical analysis of processes of pattern formation that involves organism distribution and their interaction of spatially distributed population with local diffusion. The choice of parameter values is important to study the effect of diffusion, also it depends more on the nonlinearity of the system. With the help of numerical simulations, we observe the formation of spatiotemporal patterns both inside and outside the Turing space.

Keywords Rosenzweig-McAurthur model;plankton system;functional response;spatiotemporal pattern;Turing domain..

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