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东方红林业局自一九六二年建局以来,二十年间采伐总面积达92,552公顷,其中皆伐为38,761公顷,择伐为12,424公顷。由于受多种原因的影响,迹地没有全部及时地进行人工更新。为了摸清迹地天然更新的状况,于今年五月份,我们组织了调查组,历经十天完成了东林、青山、奇源、大岱等林场的迹地天然更新调查,现将情况介绍如下。 (一)调查原则森林天然更新的成败,往往受多种因子影响,但是起主导作用的多为一、二个因子。本次调查,力争揭露影响天然更新的主导因子及其作用。所以
Since its establishment in 1962, the Dongfanglin Forestry Bureau has achieved a total area of 92,552 hectares of timber in 20 years, of which 38,761 hectares are cleared and 12,424 hectares are wood-selective. Due to a variety of reasons, not all traces of artificial updates in a timely manner. In order to find out the natural regeneration of the trail, we organized a survey team in May this year and completed the natural update survey of the tracks of the forests in Donglin, Aoyama, Qiyuan and Daedai after ten days. The briefing is as follows. (A) the principle of investigation The success or failure of the natural regeneration of forests, often affected by many factors, but play a leading role, mostly one or two factors. The survey, and strive to expose the dominant factor affecting the natural regeneration and its role. and so