Time Delayed Stage-Structured Predator-Prey Model with Birth Pulse and Pest Control Tactics

Figure 9

Comparing two kinds of control strategy; the parameter values are as follows: 𝑟=4.5,𝜏=0.2,𝜔=0.2,𝛽=2,𝑑₁=0.1,𝑑₃=0.15, 𝑎=2,𝑏=4, and 𝑇=3; the killing rate 𝑝 varies from 0 to 0.45.