目前,苏联每年要采伐2,500,000公顷的森林,其中90%的林地采用皆伐(占80%)和条件皆伐。而强制择伐的数量有了明显的下降。近年来大力缩减条件皆伐的采伐量。渐伐、群状择伐、群状渐伐、逐渐择伐和志愿择伐日益引起人们的重视。根据1959年的材料,亚美尼亚、吉尔吉斯、土库曼和阿塞拜疆共和国所有的主伐林区都采用渐伐和志 At present, the Soviet Union has to harvest 2,500,000 hectares of forests each year, of which 90% of the forests are clear-cut (80%) and conditions are clear. The number of forced selective cutting has been significantly reduced. In recent years, the conditions of clear reduction of cutting volume. The gradual cutting, group selective cutting, group gradually cutting, gradual selection and voluntary selection has aroused people’s attention. According to the 1959 material, all the main deforestation areas in Armenia, Kyrgyzstan, Turkmenistan and the Republic of Azerbaijan have adopted