calculate_normalization_constant {metaRange} | R Documentation |
Normalization constant calculation
Description
Calculates the normalization constant for the metabolic scaling based on a known or estimated parameter value under at a reference temperature.
Usage
calculate_normalization_constant(
parameter_value,
scaling_exponent,
mass,
reference_temperature,
E = NULL,
k = 8.617333e-05,
warn_if_possibly_false_input = getOption("metaRange.verbose", default = FALSE) > 0
)
Arguments
parameter_value |
|
scaling_exponent |
|
mass |
|
reference_temperature |
|
E |
|
k |
|
warn_if_possibly_false_input |
|
Details
Note the different scaling values for different parameter. The following is a summary from table 4 in Brown, Sibly and Kodric-Brown (2012) (see references).
Parameter | Scaling exponent | Activation energy |
resource usage | 3/4 | -0.65 |
reproduction, mortality | -1/4 | -0.65 |
carrying capacity | -3/4 | 0.65 |
Value
The calculated normalization constant.
References
Brown, J.H., Gillooly, J.F., Allen, A.P., Savage, V.M. and West, G.B. (2004) Toward a Metabolic Theory of Ecology. Ecology, 85 1771–1789. doi:10.1890/03-9000
Brown, J.H., Sibly, R.M. and Kodric-Brown, A. (2012) Introduction: Metabolism as the Basis for a Theoretical Unification of Ecology. In Metabolic Ecology (eds R.M. Sibly, J.H. Brown and A. Kodric-Brown) doi:10.1002/9781119968535.ch
See Also
metabolic_scaling()
Examples
calculate_normalization_constant(
parameter_value = 1,
scaling_exponent = -1 / 4,
mass = 1,
reference_temperature = 273.15,
E = -0.65
)