苏联。以计算的年伐量来决定最适年利用量,以保证为满足国民经济对木材的需要而不断地、最充分地利用森林资源;计算的年伐量也用作计划森林拨交量的基础。论证计算的年伐量时,应考虑:Ⅱ、Ⅲ类林中的森林资源状况和具体经济条件;Ⅰ类林必须保持有效地发挥森林的基本防护效能,以及在失去工艺性质之前适时利用木材。从1952年到现在,苏联对计算年伐量的基 Soviet Union. Determining the most suitable annualized use of the calculated annual cut ensures that forest resources are continuously and fully utilized to meet the needs of the national economy for timber; the calculated annual cut is also used as a basis for planning forest cover . Demonstrate the calculation of the annual cut, should consider: Ⅱ, Ⅲ forest resources and specific economic conditions; Ⅰ forest must maintain the effective performance of the basic protection of forests, and the timely use of wood before losing the nature of the process. From 1952 to the present, the Soviet Union has calculated the base of the annual cut