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大兴安岭落叶松的天然更新情况,一般来就良好。在采伐集材生产过程中,如何保护伐前更新幼树,是一件很重要的工作。也是贯彻执行党的更新采伐并举方针的一个重要方面。最大限度地保护好幼树,既可以多快好省的恢复森林资源,又可以减少人工更新的作业量。保护好伐前更新幼树,主要决定于采伐和第材生产过程,特别是集材生产过程。在党的正确领导下,几年来,在保护幼树方面,采取了区划采伐小带,选设集材道,掌握树倒方向等措施,取得了很大成绩。但是,随着林业生产建设的持续跃进和以“四
The natural regeneration of larch in Daxing’anling is generally good. In the process of harvesting timber, how to protect young trees before cutting is a very important task. It is also an important aspect of carrying out the party’s policy of keeping pace with the deforestation and reanalysis. To maximize the protection of young trees, not only can restore the forest resources more quickly and economically, but also can reduce the amount of manual updates. Protecting the sapling before sapling is mainly determined by the harvesting and sapwood production processes, especially the skid production process. In the past few years, under the correct leadership of the party, great achievements have been made in the area of saplings protection by adopting such measures as zoning the small strip of zoology, selecting the collection of timber roads, and grasping the direction of tree fall. However, with the continued leap forward in the construction of forestry production and with "four