Extinction and Persistence in Mean of a Novel Delay Impulsive Stochastic Infected Predator-Prey System with Jumps

Figure 3

Keep , , , and . In (a), , , and are permanent, , , and ; in (b), , and are permanent, is extinct, , and ; in (c), , is permanent, and are extinct, and ; in (d), and then the species are extinct.

(a)

(b)

(c)

(d)