Stability and Hopf Bifurcation of Delayed Predator-Prey System Incorporating Harvesting

Figure 6

When 𝜏=2.9>𝜏₀≈2.8015 and ℎ₁ increases, prey species 𝑥 and predator species 𝑦 become stable; when ℎ₂ increases, prey species 𝑥 and predator species 𝑦 also become stable.