Fig. 7. The relationship between DBH and boundary diameter (Dj, Dm, and Dt). (^) The estimated value of Dj in each tested tree; ( ) the estimated value of Dt in each tested tree; (~) the estimated value of Dm in each tested tree. The black, dark gray and light gray lines are the regressions for Dm, Dt, and Dj, respectively. (a) A. mangium, (b) A.
auricuriformis, (c) E. globulus, (d) E. grandis, (e) P. falcataria (Java origin) and (f) P. falcataria (Solomon origin).