View source: R/IPMpack-Classes_and_Methods.R
Hossfeld | R Documentation |
Functional form describing growth according to a Hossfeld function.
Hossfeld(size, par)
size |
vector of sizes. |
par |
vector of length 3. |
C. Jessica E. Metcalf, Sean M. McMahon, Roberto Salguero-Gomez, Eelke Jongejans & Cory Merow.
Zuidema, Jongejans, Chien, During & Schieving. 2010. Integral projection models for trees: a new parameterization method and a validation of model output. Journal of Ecology 98, p345-355.
Rivas, Gonzalez, Gonzalez & von Gadow. 2004. Compatible height and site index models for five pine species in El Salto, Durango (Mexico). Forest Ecology and Management 201, p145-160.
dff <- generateData() sizeRange <- c(1:20) sizeInit <- 1 Hossfeld(sizeRange, rep(1, 3)) plot(Hossfeld(1:10, rep(1, 3)), type = "l", ylab = "Predicted increment from t to t+1", xlab = "Continuous (size) stage in time t", col = "dark gray")
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