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

Figure 9

(a) Relationship between 𝑞_∗ with respect to 𝑝 and ℎ from Theorem 7, 𝜏=0. (b) The relationship between 𝑞₊ with respect to 𝑝 and ℎ from Theorem 14, 𝜏=0. (c) The relationship of the time interval between two controls with respect to 𝑞, 𝑝=0.8,ℎ=3.8,𝜏=0.

(a)

(b)

(c)