Table 3 Akaike information criterion (AIC) values for eight models tested for the modelling radial variation in the three wood properties against cambial age using pooled point-level data by site
Models | Wood density (kg m−3) | MFA (degrees) | MOE (GPa) | ||||||
|---|---|---|---|---|---|---|---|---|---|
Strathblane | Geeveston | Florentine | Strathblane | Geeveston | Florentine | Strathblane | Geeveston | Florentine | |
Cambial age | |||||||||
  Linear | 4282 | 2274 | 1915 | 2037 | 1038 | 833 | 1861 | 985 | 817 |
  Asymptotic exponential (Eq. (2)) | – | – | – | 1701 | 961 | 736 | 1775 | 972 | 819 |
  Asymptotic exponential with offset | – | – | – | – | – | – | 1776 | 972 | 819 |
  3-parameter logistic (Eq. (3)) | – | – | – | – | – | – | 1774 | 968 | 817 |
  4-parameter logistic (Eq. (1)) | 4257 | 2263 | 1905 | – | 945 | 736 | 1776 | 969 | 917 |
  Weibull | – | – | – | – | – | – | – | – | – |
  Gompertz | – | – | – | 1720 | 739 | 739 | 1774 | 970 | 818 |
  Michaelis-Menten | – | – | – | – | – | – | – | – | – |