The Hopf Bifurcation for a Predator-Prey System with 𝜃-Logistic Growth and Prey Refuge

Figure 6

The infected steady state 𝐸^∗ of system (2) is stable when 𝜏=0.55 (a) and 𝜏=0.75 (b). The rest parameter values are given in (ii), and the initial values are 𝑥₀=8 and 𝑦₀=5.

(a)

(b)