yy where A (h-1), B (dimensionless), and Ea1 and Ea2 (J mol-1) are simply fitting parameters, R is the universal gas constant (J mol-1 °C-1), nT is the specific growth rate parameter (h-1), and T is the temperature (°C). The symbol nT is used to denote that the equation describes specifically the effect of temperature on the specific growth rate parameter. Note that this equation does not describe a maximum temperature for growth, since the value of nT is always positive and greater than zero. The shape of this curve is shown in Fig. 16.3(a).

The maximum biomass concentration (Cm, g-biomass 100-g-dry-matter-1), which is a parameter in the logistic growth equation, was modeled with a polynomial equation:

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