Description Usage Arguments Author(s) References See Also Examples
Uses the Eilers photosynthesis irradiance curve with an extra parameter allowing for a varying y-intercept. This allows for negative rates of photosynthesis to be modelled.
1 | Eilers_PI_mod(Pmax, Iopt, a, I, c)
|
Pmax |
The photosynthetic maxima |
Iopt |
The optimal light intensity |
a |
The initial slope of the curve |
I |
Light |
c |
The y intercept controlling the height of the curve |
Daniel Padfield
Eilers, P.H.. & Peeters, J.C.. (1988) A model for the relationship between light intensity and the rate of photosynthesis in phytoplankton. Ecological Modelling, 42, 199–215.
Eilers_PI
for fitting the photosynthesis
irradiance model without a varying y intercept
1 2 3 | data <- data.frame(light = seq(10, 1000, 10))
data$c0 <- Eilers_PI_mod(1000, 600, 50, data$light, 0)
plot(c0 ~ light, data)
|
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