Journal of Civil Aviation University of China ›› 2020, Vol. 38 ›› Issue (3): 61-64.

• Basic Science • Previous Articles    

Dynamical analysis on stochastic three-specy model with impusive toxicant

GAO Yongxin, WANG Nana   

  1. (College of Science, CAUC, Tianjin 300300, China)
  • Online:2020-06-26 Published:2020-06-23

Abstract: A stochastic three-specy prey-predator model with Beddington-DeAngelis functional response and impusive toxicant input is studied in order to find out how white noise and impusive toxicant input influence the dynamics of the model. By analyzing the limit system of the proposed model, the sufficient conditions for extinction, mean strong persistence and superior bound with average time are supplied.

Key words: three-specy model, impluse, extinction, mean strong persistence, white noise

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