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Harmless delay for nonautonomous fishing model with stage-structure and diffusion. (English) Zbl 1026.92052

Summary: The paper deals with a nonautonomus fishery model with stage-structure and delay. By using the theory of monotonicity of functional differential equations and concave operator theory of functional differential equations, the stability of positive periodic solutions of the dynamical system representing the fishery are derived, and their globally attracting behavior is discussed.

MSC:

92D40 Ecology
34K60 Qualitative investigation and simulation of models involving functional-differential equations
34K13 Periodic solutions to functional-differential equations
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