4Hallam T G,Clark C E,Lassider R R.Effects of toxicant on population:a qualitative approach Ⅰ.Equilibrium environment exposure[J].Ecological Modelling,1983,18(3):291-304.
5Hallam T G,Clark C E,Jordan G G.Effects of toxicants on populations:A qualitative approach.Ⅱ.First order kinetics[J].Journal of Mathematical Biology,1983,18(1):25-37.
6Hallam T G,J T Deluna.Effects of toxicants on populations:A qualitative approach.Ⅲ.Environmental and food chain pathways[J].Journal of Theoretical Biology,1984,109(3):411-429.
7Thomas,D M,Snell T W,Jaffar S M.A control problem in a polluted environment[J].Mathematical Bioscience,1996,133(2):139-163.
8Zhan Li,Zhisheng Shuai,Ke Wang,Persistence and extinction of single population in a polluted environment[J].Electronic Journal of Differential Equation,2004,2004 108):1-5.
9Buonomo B,Diciddo A,Sgura I.A diffusive convective model for the dynamics of population-toxicant interaction:some analytical and numerical results[J].Mathematical Bioscience,1999,157(1):37-64.
10Dubey B,Hussain.Modeling the interaction of two biological species in a polluted environment[J].Journal of Mathematical Analysis and Application,2000,246(6):58-59.