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The Thresholds of Survival for ann-Dimensional Food Chain Model in a Polluted Environment
Authors:Ma Zhien  Zong Wengang  Luo Zhixue
Institution:Department of Mathematics, Xi'an Jiaotong University, Xi'an, 710049, People's Republic of China
Abstract:The effects of toxicants on the populations for ann-dimensional food chain model in a polluted environment are studied. The thresholds between persistence and extinction of the populations are obtained as functions of model parameters and a time-varying chemical concentration.
Keywords:
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