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

Figure 3

Population distribution of stochastic system (73) around the deterministic model’s positive equilibrium 𝑥^∗≐(0.5734,0.6090). 𝜎₁=0.1, 𝜎₂=0.09 in left subgraph (a) and 𝜎₁=0.2, 𝜎₂=0.3 in the right subgraph (b).

(a)

(b)