Native intra- and inter-specific reactions may cause the paradox of pest control with harvesting

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4 Citations (Scopus)

Abstract

We analyse a general time-discrete mathematical model of host-parasite population dynamics with harvesting, in which the host can be regarded as a pest. We harvest a portion of the host population at a moment in each year. Our model involves the density effect on the host population. We investigate the condition in which the harvesting of the host results in a paradoxical increase of its equilibrium population size. Our results imply that for a family of pest-enemy systems, the paradox of pest control could be caused essentially by the interspecific relationship and the intraspecific density effect.

Original languageEnglish
Pages (from-to)235-247
Number of pages13
JournalJournal of Biological Dynamics
Volume4
Issue number3
DOIs
Publication statusPublished - 2010 May
Externally publishedYes

Keywords

  • Discrete model
  • Harvesting
  • Pest control
  • Population dynamics
  • Resurgence

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Ecology

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