在集体林区县进行森林资源二类调查的同时,测定总体内林分的生长量(率),对于分析森林资源动态,建立生长量预报模型,进而在一定的间隔内实现资源数据更新,以及编制森林经营方案、确定采伐限额都是非常必要的。因此,如何根据目前的调查水平和经营水 In the collective forest counties to carry out forest resources survey of the second class at the same time, measuring the total amount of growth within the forest (rate), for the analysis of forest resources dynamics, the establishment of growth forecasting model, and then in a certain interval to achieve resource data updates, and It is very necessary to compile forest management plan and determine the cutting quota. So, according to the current level of investigation and management of water