采伐量不超过生长量的林学概念是指在一定时间内,人工伐去树木群体中的那部分或熟木的蓄积量,不大于树木群体内各个立木由于加粗,长高的那部分材积的总和。使树木群体蓄积量保持不减少。从木材生产角度而言,使采伐量保持一个时期的平衡,就必须有接续不断的同等量树木群体的以相同速度生长等量蓄积,这实 The concept of forest does not exceed the amount of growth cutting the concept of forest refers to within a certain period of time, manually cut to the part of the tree population or mature stock volume is not greater than the trees within the group due to thicken the tall, that part of the volume sum. So that the stock volume of trees remain unchanged. From the point of view of timber production, maintaining the balance of harvest for a period necessitates the accumulation of equal volumes of successive generations of the same quantity of trees