Research Article

Bifurcations and Periodic Solutions for an Algae-Fish Semicontinuous System

Figure 2

(a) is the proof on Theorem 12; (b) is the proof on Theorem 13. In (a) and (b), the red line and the blue line represent impulsive set and phase set, respectively. The black cure, , denotes vertical isocline, and the black cure, , denotes horizontal isocline.
619721.fig.002a
(a)
619721.fig.002b
(b)