MARKING TRIAL FOR THINNING OF ARAUCARIA HUNSTEINII PLANTATION IN PENINSULAR MALAYSIA

Abstract

The current stocking before and after proposed first thinning intervention of 17-y-old Araucaria hunsteinii stand in compartment 1C1, Kemasul. Forest Reserve, Pahang was investigated. The dominant height and diameter of the stand were 23.9 m and 27.8 cm respectively, and the average height and diameter 20.3 m and 19.8 cm respectively. The stand volume was 279.75 m³ha^-1. Two hundred and seven trees were selected as potential final crop trees (PCT) and 187 trees were to be removed in the first thinning. The average: height and diameter of PCT were slightly above the average values of the total stand. The mean live crown (ratio of green crown length and total tree length in percent:) was 32.5 %.