Research Article

Pattern Formation in a Diffusive Ratio-Dependent Holling-Tanner Predator-Prey Model with Smith Growth

Figure 2

Phase portraits of model (1). The parameters are taken as , , , , , , . Model (1) enters into Hopf bifurcation around , and there is a limit cycle. The dashed curve is the -nullcline, and the dotted vertical line is the -nullcline.
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