Forest inventories were conducted
within 83,240 ha of the areas managed by PT Hutan Sanggam
Labanan Lestari and 51,000 ha of the areas managed by PT Puji
Sempurna Raharja. To obtain the representative tree samples,
diameter distributions and the species grouping were taken into
account during tree selection. The data were collected twice: the
first data set was collected in March to April 2006, and the second
data set was collected in September to October 2006