A predator-prey system with a stage structure for the prey

  • Authors:
  • Jing'An Cui;Yasuhiro Takeuchi

  • Affiliations:
  • Department of Mathematics, Nanjing Normal University, Nanjing 210097, PR China;Department of Systems Engineering, Faculty of Engineering, Shizuoka University, Hamamatsu 432-8561, Japan

  • Venue:
  • Mathematical and Computer Modelling: An International Journal
  • Year:
  • 2006

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Abstract

This paper considers a periodic predator-prey system where the prey has a life history that takes the prey through two stages: immature and mature. We provide a sufficient and necessary condition to guarantee permanence of the system. It is shown that the system is permanent if and only if the growth of the predator by foraging the prey minus its death rate is positive on average during the period.