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Figure 2 | Advances in Difference Equations

Figure 2

From: Dynamic analysis of effects of phytoplankton dispersal on zooplankton

Figure 2

Time series and phase portrait of the permanence of system ( 2.2 ) with the parameters \(\pmb{r_{1}=1.5}\) , \(\pmb{a_{1}=0.2}\) , \(\pmb{\alpha_{1}=0.5}\) , \(\pmb{\theta_{1}=0.8}\) , \(\pmb{\theta_{2}=0.3}\) , \(\pmb{r_{2}=6}\) , \(\pmb{a_{2}=0.1}\) , \(\pmb{\alpha_{2}=0.1}\) , \(\pmb{\beta=0.7}\) , \(\pmb{\varrho_{1}=0.1}\) , \(\pmb{\varrho_{2}=0.1}\) , \(\pmb{\tau=0}\) , \(\pmb{a_{3}=0.8}\) , \(\pmb{K=3}\) , \(\pmb{\mu=0.8}\) , \(\pmb{d=0.01}\) , \(\pmb{T=2.42}\) .

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