Abstract and Applied Analysis
Volume 2010 (2010), Article ID 161978, 12 pages
doi:10.1155/2010/161978
Research Article

On a Periodic Predator-Prey System with Holling III Functional Response and Stage Structure for Prey

Xiangzeng Kong, Zhiqin Chen, Li Xu, and Wensheng Yang

Key Lab of Network Security and Cryptology, Fujian Normal University, Fuzhou, Fujian 350007, China

Received 14 October 2009; Accepted 4 March 2010

Academic Editor: Stephen Clark

Copyright © 2010 Xiangzeng Kong et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

We propose and study the permanence of the following periodic Holling III predator-prey system with stage structure for prey and both two predators which consume immature prey. Sufficient and necessary conditions which guarantee the predator and the prey species to be permanent are obtained.