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塔河林业局是大兴安岭地区重要木材生产基地之一。随着原始森林的迅速采伐,人工林和天然幼林的大面积成林,森林病害的种类及其所造成的为害也发生了变化。但是对该地区的森林病害资料报道甚少。为了掌握病害的种类、分布与为害及时对主要病害进行防治,以便提高森林生产力,在1986年7—8月,对塔河林业局的塔林、盘古、瓦拉干、蒙克山、绣峰、22站和沿江等林场进行了森林病害调查。 本次调查主要采用线路调查方法,按病害的为害程度分为三个等级,即严重(+++)、
Tahe Forestry Bureau is one of the major timber production bases in the Greater Khingan Range. With the rapid deforestation of virgin forests, large-scale forestation of plantations and natural young forests, changes in the species of forest diseases and the resulting damage. However, little is known about forest disease information in the area. In order to grasp the type, distribution and damage of the disease, the main diseases should be prevented and controlled in time in order to improve the forest productivity. From July to August 1986, the forest resources of Tallinn, Pangu, Walagan, Munk mountain, 22 stations and other forest farms conducted forest disease surveys. The survey mainly uses line survey method, according to the degree of disease damage is divided into three levels, namely serious (+++),