ZHANG, SHUWEN; WANG, FENYAN; CHEN, LANSUN - In: Advances in Complex Systems (ACS) 09 (2006) 03, pp. 223-236
We investigate a three-species food chain system with density-dependent birth rate and impulsive effect concerning biological and chemical control strategy — periodic releasing of natural enemies or spraying pesticide at different fixed times. Conditions for the extinction of the prey and top...