Figure 3From: Global stability for a nonautonomous reaction-diffusion predator-prey model with modified Leslie–Gower Holling-II schemes and a prey refugeThe periodic solution \((P(t,x),Q(t,x))\) with initial values \(P(0,x)=10+0.2\sin (x)\), \(Q(0)=6+0.2\sin (x)\). (a)–(b): the densities of prey \(P(t,x)\) and predator \(Q(t,x)\)Back to article page