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

Figure 6

Population distribution of stochastic system (73); 𝜎₁=0.2, 𝜎₂=0.8, 𝑑₁₂=0.6, and 𝑑₂₁=0.5 in the left subgraph (a) and 𝜎₁=0.2, 𝜎₂=0.8, 𝑑₁₂=0.01, and 𝑑₂₁=0 in the right subgraph (b).

(a)

(b)