本文利用414块人工落叶松林样地实测资料，探讨了角规测树的误差问题。

Errors in forest measuration with Angle gauge are analyzed in this paper based on the data from 414 plots of larch plantation.

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逐渐恢复的人工落叶松林对径流的调节能力在一定时期内难以恢复到原始水平。

Even the forest coverage recovered to an equal level, the ability of plantation to regulate runoff could hardly still returned to the primary level.

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选取5种竞争指标，建立人工落叶松林木胸径、树高和冠长与各竞争指标间的相关关系。

The relationships among 5 competition index and DBH, tree height and crown length have been established.

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