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Effect of delay on globally stable prey–predator system

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  • Juneja, Nishant
  • Agnihotri, Kulbhushan
  • Kaur, Harpreet

Abstract

The present paper deals with an eco-epidemiological prey–predator model with delay. It is assumed that infection floats in predator species only. Both the susceptible and infected predator species are subjected to harvesting at different harvesting rates. Differential predation rates for susceptible and infected predators are considered. It is shown that the time delay can even destabilize the otherwise globally stable non-zero equilibrium state. It is observed that coexistence of all the three species is possible through periodic solutions due to Hopf bifurcation. With the help of normal form theory and central manifold arguments, stability of bifurcating periodic orbits is determined. Numerical simulations have been carried out to justify the theoretical results obtained.

Suggested Citation

  • Juneja, Nishant & Agnihotri, Kulbhushan & Kaur, Harpreet, 2018. "Effect of delay on globally stable prey–predator system," Chaos, Solitons & Fractals, Elsevier, vol. 111(C), pages 146-156.
    • Handle: RePEc:eee:chsofr:v:111:y:2018:i:c:p:146-156
    DOI: 10.1016/j.chaos.2018.04.010
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    References listed on IDEAS

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    1. Yu, Hengguo & Zhong, Shouming & Ye, Mao, 2009. "Dynamic analysis of an ecological model with impulsive control strategy and distributed time delay," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 80(3), pages 619-632.
    2. Gao, Xubin & Pan, Qiuhui & He, Mingfeng & Kang, Yibin, 2013. "A predator–prey model with diseases in both prey and predator," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 392(23), pages 5898-5906.
    3. Zhao, Min & Wang, Xitao & Yu, Hengguo & Zhu, Jun, 2012. "Dynamics of an ecological model with impulsive control strategy and distributed time delay," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 82(8), pages 1432-1444.
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    Cited by:

    1. Barman, Binandita & Ghosh, Bapan, 2019. "Explicit impacts of harvesting in delayed predator-prey models," Chaos, Solitons & Fractals, Elsevier, vol. 122(C), pages 213-228.
    2. Agnihotri, Kulbhushan & Kaur, Harpreet, 2021. "Optimal control of harvesting effort in a phytoplankton–zooplankton model with infected zooplankton under the influence of toxicity," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 190(C), pages 946-964.
    3. Agnihotri, Kulbhushan & Kaur, Harpreet, 2019. "The dynamics of viral infection in toxin producing phytoplankton and zooplankton system with time delay," Chaos, Solitons & Fractals, Elsevier, vol. 118(C), pages 122-133.
    4. Juneja, Nishant & Agnihotri, Kulbhushan, 2018. "Conservation of a predator species in SIS prey-predator system using optimal taxation policy," Chaos, Solitons & Fractals, Elsevier, vol. 116(C), pages 86-94.

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