Stability and Permanence of a Pest Management Model with Impulsive Releasing and Harvesting

Figure 3

Time series of the system (68) with 𝑟=8, 𝐾=10, 𝑎=0.8, 𝛽=0.5, 𝑏=0.3, ℎ=8, 𝑐=0.2, 𝜆=0.6, 𝑚=2, 𝑑_𝑆=0.2, 𝑑_𝐼=0.5, 𝑑_𝐽=0.4, 𝑑_𝑀=0.2, 𝛿=0.4, 𝑃_𝑆=𝑃_𝐼=𝑃_𝐽=𝑃_𝑀=0.2, 𝛿_𝐼=0.2, 𝛿_𝐽=0.3, 𝛿_𝑀=0.5, 𝜏=0.3, 𝑇=1, 𝑥(0)=20, 𝑆(0)=0.2, 𝐼(0)=2, 𝑦_𝐽(0)=2, 𝑦_𝑀(0)=2.

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