Dynamic Analysis of a Phytoplankton-Fish Model with Biological and Artificial Control

Figure 7

Bifurcation of an order-1 periodic solution. (a) 𝑦_𝑅≈55>18.5≈𝑦_𝐻, 𝑝=0.8, 𝜏=0; (b) 𝑦_𝑅≈9<18.5≈𝑦_𝐻, 𝑝=0.8, 𝜏=0.1.

(a)

(b)