Descriptive statistics for the main tree and stand variables corresponding to the sample plots used in this study.

Std. Dev., standard deviation; d, tree diameter; h, total tree height; cl, crown length (defined as the distance from the crown base to the tree top); N, stand density; dg, quadratic mean diameter; G, stand basal area and H, dominant height (estimated as the mean height of the 100 thickest trees per ha).