论文部分内容阅读
合理的森林结构是保证林业生态、经济和社会三大效益良性循环和森林永续利用的基础,也是当前林业结构调整亟待解决的重大课题。从黑龙江省国有森工林区的地形、土壤实情出发,以经营总面积20万ha、有林地面积14万ha左右为例,通过3～5个森林经理期(30～50年)的合理调整,实现森林资源的生态、经济、社会三大效益的良性循环,
Reasonable forest structure is to ensure the virtuous circle of the three major benefits of forestry ecology, economy and society and the basis of sustainable forest use. It is also an important issue urgently to be solved in the current structural adjustment of forestry. Based on the topography and soil conditions of the state-owned forest industrial zone in Heilongjiang Province, taking the total area of 200,000 ha and the area of about 140,000 ha as an example, the forest management period of 3 to 5 years (30 to 50 years) , To achieve a virtuous circle of ecological, economic and social benefits of forest resources,