露水河林业局森林资源变化浅析

Analysis of change of forest resources in Lushuihe forest bureau

森林是生态建设的重要组成部分,是人类生活必不可少的一种资源。森林资源动态变化可以反映森林经营的效果。通过对2013年长白山露水河林业局森林资源二类调查数据进行分析,概述了该林业局辖区的森林资源现状,并与1995年和2003年森林资源二类调查数据比较,从各类林地面积、林木蓄积、林种结构、龄组结构和森林起源等方面分析了该林业局森林资源变化趋势及变化原因。结果表明:森林面积增加了4567.3hm2,森林覆盖率增加了2.47%,森林蓄积净增2 961 133.5m3,用材林部分划为防护林,天然林面积净增6 734.6hm2。

Forests are an important part of ecological construction and an essential resource to human life. The dynamic change of forest resources can be the results of forest management. According to the forest management inventories in Lushuihe forest bureau of Changbai Mountains in 2013, this paper summarized the situation of forest resources in this area. Besides, making a comparison among the forest resource inventory data of 1995, 2003 and 2013, this paper analyzed the trends and reasons for the changes in the following aspects as woodland area, forest volume, forest category structure, age group structure and origin of the forest. The results show that the forest area increased by 4 567. 3 hm2 , the forest coverage rate increased by 2. 47%, Forest volume increased by 2 961 133. 5 ma. The area of natural forest has increased by 6 734. 6 hm2 using a part of timber forest as protection forest.