Regular Article
The Thresholds of Survival for ann-Dimensional Food Chain Model in a Polluted Environment☆,☆☆

https://doi.org/10.1006/jmaa.1997.5387Get rights and content
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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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This research is supported by the National Natural Science Foundation of China.

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Submitted by J. Eisenfeld

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