根据农林部的指示,在各级党政部门的领导和各地林业职工、林区贫下中农的支持下,从1973年初开始,先后在北方的吉文地区和南方的会同县,分别进行了全国森林资源清查的试点工作。经过参加试点人员的广泛讨论,普遍认为:森林资源(包括有林地和宜林的无林地)是组织林业生产建设的基础,而林业调查工作又是开展林业经营利用的基础。为了使森林调查更好地为林业生产服务,应当把调查工作分为三类。即:国家资源清查;规划设计调查;作业设计调查。把调查技术建立在数理统 Under the guidance of the Ministry of Agriculture and Forestry, with support from leaders of Party and government departments at all levels and forestry workers and poor and middle-level peasants in various regions and regions, from the beginning of 1973, they successively conducted scientific research in the areas of Jiwen Prefecture in the north and Huitong County in the south respectively, Inventory of the pilot work. After extensive discussion among participating pilots, it is generally agreed that forest resources (including non-woodland with forest land and forest should be the basis for organizing forestry production and construction), and forestry investigation is the basis for forest management and utilization. In order to make forest surveys better serve forestry production, the investigation work should be divided into three categories. Namely: National Resource Inventory; Planning and Design Survey; Job Design and Survey. The survey technology based on mathematical system