2 材料与方法 2.1 土样采集与处理 以位于米亚罗林区三种森林类型：箭竹阔叶 林(BBLF)、藓类阔叶林(MBLF)和藓类针阔混交林 (MCBLF)中已建立的标准样地中心与四角作为采 样点进行采样，分别采集土层深度为0~10 cm(A 层)、10~20 cm(B层)、...
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以长白山阔叶林三类清查资料为依据，采用修正指数分布式拟合并预测林分的直径分布。
The diameter distributions were simulated by the modified exponential distribution function for describing the stand structure, based on inventory data of broad-leaf forest in Changbai Mountain.
森林植物群落为常绿落叶阔叶混交林、针叶林、针阔混交林、阔叶林、毛竹等5大类共18种类型。
The forest communities had 5 types 18 kinds, which were mixed evergreen deciduous broad-leaved forest, coniferous forest, mixed coniferous broad-leaved forest, broad-leaved forest and bamboo et al.
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