Table 3 Standard (S) and reparameterised (R) forms of the height-age functions used in the study
From: A National height-age model for Pinus radiata in New Zealand
Growth function | Type | Equation |
|---|---|---|
Bertalanffy-Richards | S | MTH = 0.25 + (c - 0.25)(1 - exp(-aT))1/b |
R | MTH = 0.25 + (SI - 0.25)[(1 - exp(-aT))/(1 - exp(-20a))]1/b | |
Hossfeld | S | MTH = 0.25 + (c - 0.25)(Tb)/(a + Tb) |
R | MTH = 0.25 + (SI - 0.25)(T/20)b[(a + 20b)/(a + Tb)] | |
Schumacher | S | MTH = 0.25 + (c - 0.25)exp(-aT- b) |
R | MTH = 0.25 + (SI - 0.25)exp(a(1/20b - 1/Tb)) | |
Weibull | S | MTH = 0.25 + (c - 0.25)(1 - exp(-aTb)) |
|  | R | MTH = 0.25 + (SI - 0.25)[(1 - exp(-aTb))/(1 - exp(-a 20b))] |