Permanence, Extinction, and Almost Periodic Solution of a Nicholson's Blowflies Model with Feedback Control and Time Delay

Figure 1

Dynamics of the 𝑥(𝑡)) and 𝜇(𝑡) of system (74) with the initial values (𝑥(0),𝜇(0))^𝑇=(0.02,0.05)^𝑇,(0.03,0.03)^𝑇,(0.04,0.08)^𝑇,(0.005,0.1)^𝑇; here 𝑡∈[0,100].