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首页> 外文期刊>Journal of Tropical Forest Science >TREE GROWTH AND POTENTIAL YIELD OF PLANTATION GROWN DRYOBALANOPS AROMATICA OF PENINSULAR MALAYSIA
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TREE GROWTH AND POTENTIAL YIELD OF PLANTATION GROWN DRYOBALANOPS AROMATICA OF PENINSULAR MALAYSIA

机译：半岛马来西亚人工林DRYOBALANOPS AROMATICA的树木生长和潜在产量

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摘要

The study focused on the giowth of 50- to 70-year-old planted Dryobalanops aromatica, potential yield and factors affecting its growth within the research area of the Bukit Lagong Forest Reserve at the Forest Research Institute Malaysia (FRIM). Treeswere evaluated on periodic annual diameter increment over a period of four years (1997-2000) consisting of six experimental plots with sizes ranging from 0.21 to 0.96 ha. The observed periodical annual diameter increments (P_(obs)) were significantly different between plots and years, with a mean of 0,28 ± 0.01 cm year~(-1) (ranging from 0 21 ± 0.02 to 0.43 ± 0.04 cm year~(-1)). The P_(obs) already falls below the mean annual diameter increment indicating that growth of the species had passed the culmination point of the mean annual increment. Two of the six plots (2 and 6) had significantly higher P_(obs) than the remaining plots. Both of these plots had lower stand densities (161 and 184 stem ha~(-1) respectively) and maintained the highest diameter increments throughout the observation period. The occurrence of a prolonged drought in 1997 did not effect these plots much. Plot 5 with the highest stocking had the lowest rate for P_(obs) at 0.21 ± 0.02 cm year~(-1). Assuming all trees P_(obs) > 50cm were harvested in 2000, the potential yield ranged from 61.3 to 425.8 m~3 ha~(-1).
机译：该研究集中在马来西亚森林研究所（FRIM）的武吉拉贡森林保护区的研究区内，种植了50至70年历史的Dryobalanops aromaa，潜在产量和影响其生长的因素。根据四年（1997-2000年）的周期性年径增量对树木进行评估，该周期由六个实验地块组成，大小在0.21至0.96公顷之间。地块和年份之间观察到的周期性年直径增量（P_（obs））显着不同，平均值为0.28±0.01 cm年〜（-1）（范围从0 21±0.02到0.43±0.04 cm年〜 （-1））。 P_（obs）已降至年均直径增量以下，表明该物种的生长已超过年均直径的顶点。六个图中的两个（2和6）的P_（obs）明显高于其余图。这两个图都具有较低的林分密度（分别为161和184茎ha〜（-1）），并在整个观察期内保持了最大的直径增量。 1997年长期干旱的发生对这些土地影响不大。放养最高的地块5的P_（obs）发生率最低，为0.21±0.02 cm年〜（-1）。假设2000年收获的所有树木P_（obs）> 50cm，则潜在产量为61.3至425.8 m〜3 ha〜（-1）。

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