为落实国务院《植物检疫条例》,黑龙江省林业厅于1988～1989年首次对行政区内各类型林分主要树种进行了较为系统的森林植物检疫对象普查工作,通过普查,摸清了我省目前检疫对象种类、分布、为害程度,并划分了疫区和保护区,为控制检疫病虫害的传播蔓延,保护森林资源提供了科学依据。1 普查方法 In order to implement the State Plant Phytosanitary Regulations, the Forestry Bureau of Heilongjiang Province conducted the first systematic survey of forest quarantine objects for the main tree species of all types within the administrative region from 1988 to 1989. Through the census, the current quarantine inspection in our province The type of object, the degree of distribution and the degree of harm, and divided the epidemic areas and protected areas, which provided a scientific basis for controlling the spread of quarantine pests and diseases and protecting forest resources. 1 census method