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Theory and Modern Applications

Table 2 Model with logistic growth law: \(G(x)=1-\frac{x}{K}\), \(F(y)=1-\frac{y}{L}\)

From: Optimal harvesting of an abstract population model with interval biological parameters

\(l_{1}=l_{2}\)

Optimal equilibrium points \((x_{\delta },y_{\delta })\)

Optimal harvesting effort \(E_{\delta }\)

Net profit π

0

x = 3.528211594, y = 7.665161972

6.407840748

6.871406832

0.3

x = 3.530580770, y = 7.663038860

6.546584616

7.030511066

0.5

x = 3.532135784, y = 7.661635410

6.640648185

7.138390920

0.8

x = 3.534432298, y = 7.659547873

6.784137550

7.302974951

1

x = 3.535939675, y = 7.658167768

6.881418346

7.414569343