On a non-selective harvesting prey-predator model with Hassell-Varley type functional response. (English) Zbl 1338.92116
Summary: A nonautonomous delayed prey-predator model with non-selective harvesting and Hassell-Varley type functional response is investigated. Some sufficient conditions are obtained for the existence of positive periodic solutions to the system using the continuation theorem of coincidence degree theory. Moreover, the obtained results are different from the previous works. Numerous are conducted to illustrate the feasibility of the obtained results.
MSC:
| 92D25 | Population dynamics (general) |
Keywords:
non-selective harvesting; positive periodic solution; Hassell-Varley type functional response; coincidence degree theoryReferences:
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