Figure 4From: Noise-induced transitions in an avian influenza model with the Allee effect(a) Time series diagrams of system (2.2) with \(\sigma =1\times 10^{-4}\); (b) Deterministic cycle (solid black) and trajectories (dashed) of stochastic system (2.2); (c) Time series diagrams of system (2.2) with \(\sigma =1\times 10^{-3}\); (d) Deterministic cycle (solid black) and trajectories (dashed) of stochastic system (2.2)Back to article page