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Dynamics of a Single Species in a Fluctuating Environment under Periodic Yield Harvesting

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  • Mustafa Hasanbulli
  • Svitlana P. Rogovchenko
  • Yuriy V. Rogovchenko

Abstract

We discuss the effect of a periodic yield harvesting on a single species population whose dynamics in a fluctuating environment is described by the logistic differential equation with periodic coefficients. This problem was studied by Brauer and Sánchez (2003) who attempted the proof of the existence of two positive periodic solutions; the flaw in their argument is corrected. We obtain estimates for positive attracting and repelling periodic solutions and describe behavior of other solutions. Extinction and blow-up times are evaluated for solutions with small and large initial data; dependence of the number of periodic solutions on the parameter associated with the intensity of harvesting is explored. As grows, the number of periodic solutions drops from two to zero. We provide bounds for the bifurcation parameter whose value in practice can be efficiently approximated numerically.

Suggested Citation

  • Mustafa Hasanbulli & Svitlana P. Rogovchenko & Yuriy V. Rogovchenko, 2013. "Dynamics of a Single Species in a Fluctuating Environment under Periodic Yield Harvesting," Journal of Applied Mathematics, Hindawi, vol. 2013, pages 1-12, March.
    • Handle: RePEc:hin:jnljam:167671
    DOI: 10.1155/2013/167671
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