一、作业法管理是林业资源管理措施之一目前,我闰森林资源危机日益加剧,森林资源不仅数量减少,并且质量降低。据森林资源清查统计资料,第三次清查与第二次清查相比,七年多时间用材林成过熟林面积和蓄积减少1/3;东北红松、南方杉木、西南云南松等主要用材树种及水曲柳等珍贵树 First, the operating law management is one of the forestry resources management measures At present, I am exacerbated by the crisis of intercalated forest resources, not only reduce the number of forest resources, and reduce the quality. According to the statistics of forest inventory, the third inventory and the second inventory compared to more than seven years of timber forest over-mature forest area and the accumulation of 1/3 reduction; Northeast Korean pine, southern fir, southwest Yunnan pine and other major timber species And ash and other precious trees