TY - JOUR T1 - Nonlinear Dynamical Behaviour in a Predator-Prey Model with Harvesting JO - East Asian Journal on Applied Mathematics VL - 2 SP - 376 EP - 395 PY - 2018 DA - 2018/02 SN - 7 DO - http://doi.org/10.4208/eajam.020916.250217a UR - https://global-sci.org/intro/article_detail/eajam/10755.html KW - Predator-prey system, Holling type IV functional response, periodic solution, bifurcation, Lyapunov function. AB -

We investigate the stability and periodic orbits of a predator-prey model with harvesting. The model has a biologically-meaningful interior, an attractor undergoing damped oscillations, and can become destabilised to produce periodic orbits via a Hopf bifurcation. Some sufficient conditions for the existence of the Hopf bifurcation are established, and a stability analysis for the periodic solutions using a Lyapunov function is presented. Finally, some computer simulations illustrate our theoretical results.