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Stationary and non-stationary pattern formation over fragmented habitat

Author

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  • Banerjee, Malay
  • Pal, Swadesh
  • Roy Chowdhury, Pranali

Abstract

Spatio-temporal pattern formation over the square and rectangular domain has received significant attention from researchers. A wide range of stationary and non-stationary patterns produced by two interacting populations is abundant in the literature. Fragmented habitats are widespread in reality due to the irregularity of the landscape. This work considers a prey-predator model capable of producing a wide range of stationary and time-varying patterns over a complex habitat. The complex habitat is assumed to have consisted of two rectangular patches connected through a corridor. Our main aim is to explain how the shape and size of the fragmented habitat regulate the spatio-temporal pattern formation at the initial time. The analytical conditions are derived to ensure the existence of a stationary pattern and illustrate the role of the most unstable eigenmodes in determining the number of patches for the stationary pattern. Exhaustive numerical simulations help to explain the effect of the spatial domain size and shape on the transient patterns and the duration of the transients.

Suggested Citation

  • Banerjee, Malay & Pal, Swadesh & Roy Chowdhury, Pranali, 2022. "Stationary and non-stationary pattern formation over fragmented habitat," Chaos, Solitons & Fractals, Elsevier, vol. 162(C).
    • Handle: RePEc:eee:chsofr:v:162:y:2022:i:c:s0960077922006221
    DOI: 10.1016/j.chaos.2022.112412
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    References listed on IDEAS

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    1. Yuri V. Tyutyunov & Anna D. Zagrebneva & Andrey I. Azovsky, 2020. "Spatiotemporal Pattern Formation in a Prey-Predator System: The Case Study of Short-Term Interactions Between Diatom Microalgae and Microcrustaceans," Mathematics, MDPI, vol. 8(7), pages 1-15, July.
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    Cited by:

    1. Chakraborty, Priya & Jolly, Mohit Kumar & Roy, Ushasi & Ghosh, Sayantari, 2023. "Spatio-temporal pattern formation due to host-circuit interplay in gene expression dynamics," Chaos, Solitons & Fractals, Elsevier, vol. 167(C).
    2. Pal, Debjit & Kesh, Dipak & Mukherjee, Debasis, 2023. "Qualitative study of cross-diffusion and pattern formation in Leslie–Gower predator–prey model with fear and Allee effects," Chaos, Solitons & Fractals, Elsevier, vol. 167(C).

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