The Thresholds of Survival for ann-Dimensional Food Chain Model in a Polluted Environment |
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Authors: | Ma Zhien Zong Wengang Luo Zhixue |
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Affiliation: | Department of Mathematics, Xi'an Jiaotong University, Xi'an, 710049, People's Republic of China |
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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. |
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