The differences in single tree timber volume enhance with the increase of stand ages, but the increasing percentage decrease.
两种源单株材积随林龄加大，差异增大，但增长百分比随之减少。
The standing tree volume, stand stocking of riparian forest stand, number, average volume and total stock of in-stream LWD at streams in Liangshui were greater than that of Maoershan.
凉水溪流河岸带森林立木材积、林分蓄积及溪流倒木数量、平均倒木体积和总倒木蓄积量均高于帽儿山溪流。
Selective cutting intensity, stand density and felling tree volume per stem were considered as the major influencing factors by analyzing related researches at home and abroad.
影响油锯择伐作业中保留木损伤率的因素很多，经过分析可知采伐强度、林分密度和采伐木单株材积是影响保留木损伤率的主要因素。
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