Journal of Mathematical Biology

, Volume 30, Issue 1, pp 49–61 | Cite as

The threshold of survival for system of two species in a polluted environment

  • Liu Huaping
  • Ma Zhien
Article
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Revised:

Abstract

The effects of toxicants on naturally stable two-species communities are studied. Persistence-extinction thresholds are given for populations in the toxicant stressed Lotka-Volterra model of two interacting species. The threshold results are expressed in terms of relationships involving the population intrinsic growth rates, dose-response parameters, and interaction rates.

Key words

Persistence in the mean Extinction Threshold Toxic effects 
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Copyright information

© Springer-Verlag 1991

Authors and Affiliations

  • Liu Huaping
    • 1
  • Ma Zhien
    • 2
  1. 1.Department of Applied MathematicsNorth Western Polytechnical UniversityXi'anPeople's Republic of China
  2. 2.Department of MathematicsXi'an Jiaotong Universityi'anPeople's Republic of China

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