Discrete Dynamics in Nature and Society / 2020 / Article / Fig 7

Research Article

A Holling Type II Discrete Switching Host-Parasitoid System with a Nonlinear Threshold Policy for Integrated Pest Management

Figure 7

Illustrating the switching effects of initial densities of the host and parasitoid populations of system (4) related to the switching curve. The parameters are fixed as follows: . The initial values in (a)–(d) are , , , and . The red lines in each subplot represent the switching curves.
(a)
(b)
(c)
(d)

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