Abstract
In this paper, spatial patterns of a Holling–Tanner predator-prey model subject to cross diffusion, which means the prey species exercise a self-defense mechanism to protect themselves from the attack of the predator are investigated. By using the bifurcation theory, the conditions of Hopf and Turing bifurcation critical line in a spatial domain are obtained. A series of numerical simulations reveal that the typical dynamics of population density variation is the formation of isolated groups, such as spotted, stripe-like, or labyrinth patterns. Our results confirm that cross diffusion can create stationary patterns, which enrich the finding of pattern formation in an ecosystem.
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The research was partially supported by the National Natural Science Foundation of China under Grants (11171314, 10901145, and 11147015), Program for Basic Research (2010011007), and International and Technical Cooperation Project (2010081005).
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Sun, GQ., Jin, Z., Li, L. et al. Spatial patterns of a predator-prey model with cross diffusion. Nonlinear Dyn 69, 1631–1638 (2012). https://doi.org/10.1007/s11071-012-0374-6
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DOI: https://doi.org/10.1007/s11071-012-0374-6