Description Usage Arguments Value Author(s) References See Also
Models the thermal performance curve for metabolism using a modified thermal performance curve which includes inactivation of the rate at both low and high temperatures.
1 | schoolfield(ln.c, Ea, El, Tl, Eh, Th, temp, Tc)
|
ln.c |
The specific rate of metabolism (log scale) |
Ea |
Activation energy |
El |
Low temperature deactivation energy |
Tl |
Temperature at which enzyme is 1/2 active and 1/2 low temperature suppressed |
Eh |
High temperature deactivation energy |
Th |
Temperature at which enzyme is 1/2 active and 1/2 high temperature suppressed |
temp |
Temperature in K |
Tc |
Standardisation temperature (in ºC, arbitrary) |
Returns a value of metabolism b(T) across the range of temperatures set based on the parameter values
Daniel Padfield
Schoolfield, R.M., Sharpe, P.J. & Magnuson, C.E. (1981) Non-linear regression of biological temperature-dependent rate models based on absolute reaction-rate theory. Journal of theoretical biology, 88, 719–731.
schoolfield.high
for applying the high temperature
inactivation only modification of the Sharpe-Schoolfield model.
Topt
for calculating the optimum temperature of the
Sharpe-Schoolfield model.
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