Figure 1From: A diffusive predator-prey system with prey refuge and gestation delay Phase portraits of system ( 4.1 ) when \(\pmb{d_{1}=d_{2}=0}\) . Left: \(s =10\), and the initial condition \((0.5,8.2)\). Right: \(s =15\) and the initial condition \((0.5,8.2)\).Back to article page