森林的生长率和生长量是反映森林生长变化规律的指标 ,是衡量林地生产力的尺度 ,是预测森林生长变化、计算林木增值及森林资源档案管理的依据 ,是制定林业方针政策、编制林区发展规划、科学经营合理利用森林资源的前提。查准森林生长率和生长量对“天保工程”的实施有着至关重 The growth rate and growth rate of forest are indicators reflecting the law of forest growth and are the measure of productivity of forestland. They are the basis for forecasting changes in forest growth, calculating forest value increment and archives management of forest resources. They are the basis for formulating forestry policies and policies and for compiling forestry development Planning, scientific management of the rational use of forest resources in the premise. Finding the forest growth rate and growth is crucial for the implementation of the “Natural Forest Protection Project”