森林病虫害调查是森林调查工作的主要内容之一。其目的在于摸清调查地区各林型(林分类型)的主要病虫害种类,危害种类,危害程度,分布区域,生态条件及其发生规律,调查林内卫生状况的害虫的天敌,为森林经营和编写森林经营方案中的森林病虫害防治设计提供依据。自1954年以来,我们结合森林经理调查,对大、小兴安岭、完 Forest pests and diseases investigation is one of the main contents of forest investigation. The purpose is to find out the main pests and diseases, the types of hazards, the degree of harm, the distribution areas, the ecological conditions and their occurrence patterns of various forest types (forest types) in the surveyed areas, Forest management programs in the design of forest pests and diseases provide the basis. Since 1954, we combined with forest managers to investigate, to the great Xiaoxing’anling, finished