devRate (version 0.1.1)

davidson_44: Davidson equation of development rate as a function of temperature.

Description

Davidson, J. (1944). On the relationship between temperature and rate of development of insects at constant temperatures. The Journal of Animal Ecology:26-38.

Usage

davidson_44

Format

A list of eight elements describing the equation.

Source

http://dx.doi.org/10.2307/1326

Details

Equation: rT ~ K / (1 + exp(aa + bb * T))

where rT is the development rate, T the temperature, K the distance between the upper and lower asymptote of the curve, aa the relative position of the origin of the curve on the abscissa, bb the degree of acceleration of development of the life stage in relation to temperature.