论文部分内容阅读
论述了黑龙江省森工林区当前所出现的。两危“是由于历经半个世纪的过量采伐，使森林一系列内在结构失调所致。提出治危兴林．进行森林分类经营和实施天然林保护。程的主要任务．就是调整森林资源结构；提出了土地利用结构、林种结构、森林经营周期结构、森林起源结构、优势林分结构、宏观的林分组成树种结构、林分龄组结构、林分密度结构、径阶结构的调整指标和对策等。
Discusses the forest industry in Heilongjiang Province, the current emergence. Two crises ”is due to over half a century of over-harvesting, so that a series of inherent structure of the forest disorders caused. Proposed governance Xinglin. Forest classified management and implementation of natural forest protection. Cheng main task is to adjust the structure of forest resources ; Proposed land use structure, forest structure, forest management cycle structure, forest origin structure, dominant stand structure, macroscopic stand composition tree structure, stand age group structure, stand density structure, diameter structure adjustment index And countermeasures.