Dynamics of a Seasonally Forced Phytoplankton-Zooplankton Model with Impulsive Biological Control

Jianglin Zhao and Yong Yan

Discrete Dynamics in Nature and Society, 2016, vol. 2016, 1-9

Abstract:

This paper investigates the dynamics of a seasonally forced phytoplankton-zooplankton model with impulsive biological control. It shows that the periodic eradicated solution is unstable. Further, the condition for permanence of the system is established by relations between the model parameters and the intensity of the impulses. The numerical analysis is performed to study the effect of seasonality and impulsive perturbations on plankton dynamics. The numerical results imply that the seasonal forcing can trigger more periodic mode and the impulsive period for control of the size of phytoplankton is more practicable to the system than the impulsive release of zooplankton. These conclusions provide a better understanding of controlling harmful algae blooms.

Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnddns:2560195

DOI: 10.1155/2016/2560195

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