黑龙江省天然次生林经营技术探讨

天然次生林是我省森林资源的重要组成部分,现状是林分密度低、质量差、树种单纯,天然更新不好。现行的以抚育间伐为主要方法的经营措施,不仅不能改变目前天然次生林现状,而且将不同程度地破坏现有天然次生林。本文根据栽针保阔的经营思想和天然次生林现状,划分为四种(抚育型、封护型、补植型、人促型)经营类型,并分别制定经营措施,为天然次生林探索一条科学合理,现实可行的途径。

SIL VICULTURE TECHNIQUE OF NATURAL SECOND STAND IN HEILONGJIANG PROVINCE

The natural second-stand is an important part of forest resources in Heilongjiang province. The present situation of the natural secondstand is lower density, poor quality, simple species and bad in natural regeneration. The present management methods which take the tending felling as the dominant way not only can't change the present situation of the natural second-stand but also can damage the existing natural second-stand. therefore, the natural second-stand was divided into four-types and respectively makes the management measures based on the management thought which preserves deciduous while plants coniferous and the present situation. Aim at approach a scientific and feasible way to the management of the natural second-stand.