Jing Wang, Ke Wang
Abstract:
In this paper, the effect of diffusion on the permanence
and extinction in the polluted environment is studied
by a single population diffusive system in two patches.
Assume that the two patches are a protective patch and a
non-protective patch. We examine the effects of protective
patch and conclude that it is effective for the conservation
of a population facing polluted environment. The conditions
for the permanence and extinction of the population are obtained.
Submitted March 20, 2006. Published September 19, 2006.
Math Subject Classifications: 93C15
Key Words: Protective patch; equilibrium; permanence; extinction
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Jing Wang Department of Mathematics Harbin Institute of Technology, Harbin 150001, China School of Mathematics and statistics Northeast Normal University Changchun 130024, China email: wangj487@nenu.edu.cn |
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Ke Wang Department of Mathematics Harbin Institute of Technology Weihai 264209, Shandong, China email: w_k@hotmail.com |
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