Research Article
Dynamical Analysis of a Nitrogen-Phosphorus-Phytoplankton Model
Figure 1
The illustration on the existence of the coexistence equilibrium. The gray closed area denotes the region , the blue curve denotes the curve , the green curves represent the curves with the change of , , , , and , and the red diamond implies the crossover point of and , where and the other parameters are the same as in Table 1.