Stochastic Permanence, Stationary Distribution and Extinction of a Single-Species Nonlinear Diffusion System with Random Perturbation

Figure 5

The subgraphs are defined as in Figure 4. Because there is no diffusion, 𝑥₂ is isolated and will die out; 𝜎₁=0.2, 𝜎₂=0.8; 𝑑₁₂=0.01, 𝑑₂₁=0.

(a)

(b)