| beta_16 {devRate} | R Documentation |
Beta2 equation of development rate as a function of temperature.
Description
Yin, X., Kropff, M.J., McLaren, G., and Visperas, R.M. (1995) A nonlinear model for crop development as a function of temperature. Agricultural and Forest Meteorology 77(1): 1-16.
Shi, P. J., Chen, L., Hui, C., & Grissino-Mayer, H. D. (2016). Capture the time when plants reach their maximum body size by using the beta sigmoid growth equation. Ecological Modelling, 320, 177-181.
Shi, P. J., Reddy, G. V., Chen, L., and Ge, F. (2015). Comparison of thermal performance equations in describing temperature-dependent developmental rates of insects: (I) empirical models. Annals of the Entomological Society of America, 109(2), 211-215.
Usage
beta_16
Format
A list of eight elements describing the equation.
- eq
The equation (formula object).
- eqAlt
The equation (string).
- name
The name of the equation.
- ref
The equation reference.
- refShort
The equation reference shortened.
- startVal
The parameters found in the literature with their references.
- com
An optional comment about the equation use.
- id
An id to identify the equation.
Details
Equation:
rT = rm * (\frac{T2 - T}/{T2 - Tm}) * (\frac{T - T1}/{Tm - T1})^{\frac{Tm - T1}/{T2 - Tm}}
where rT is the development rate, T the temperature, T1, T2, and Tm the model parameters.
References
doi:10.1016/j.ecolmodel.2015.09.012