林业生产的对象是森林和宜林地。森林是自然界生物有机体,与其周围的立地条件处在相互作用,相互影响的综合体中。它的组成、分布、生长发育不但受人为因素的影响,而且受周围的立地条件的制约,处在不断变化之中。要及时准确反映这种变化就必须建立森林资源档案。森林资源档案是通过连续地记录、积累、整理分析和总结林 The target of forestry production is forest and forest land. Forests are biological organisms that interact with and interact with the surrounding site conditions. Its composition, distribution, growth and development not only by human factors, but also by the constraints of the surrounding site conditions, are in constant change. To promptly and accurately reflect this change, we must establish a forest resource file. Forest resources file is through continuous record, accumulation, sorting analysis and summary forest