The Study of a Predator-Prey Model with Fear Effect Based on State-Dependent Harvesting Strategy

Figure 6

The phase portrait diagram of model (4) for and different harvest level with parameters given in numerical section: (a) ; (b) . For , there is , and system (4) admits an order-1 periodic solution; for , there is (), and the trajectory of system (4) will tend to the positive equilibrium after finite impulses.

(a)

(b)