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自治区成立五十年来,在党和政府的正确领导和关怀下,国有林场森林经营事业有了很大发展,特别是改革开放以来,森林经营工作形势更加喜人.一、发展概况我区现有国有林场296处,经营面积1266万公顷,有林地488万公顷,其中中幼林400万公顷,占有林地面积的82%,森林总蓄积量2.4亿立方米,中幼林蓄积量1.4亿立方米,占总蓄积量的58%.我区国有林场天然次生林主要分布在大兴安岭南部、大小罕山、宝格达山、茅荆大坝、大青山、蛮汉山、乌拉山、贺兰山等地,这些天然次生林绝大部分是遭日伪掠夺破坏的原始林,解放后重新封育保护
Since the founding of the autonomous region in the past 50 years, under the correct leadership and care of the party and the government, the forest management in the state-owned forest farms has greatly developed. Especially since the reform and opening up, the forest management work has been even more gratifying. There are 296 forest farms with a management area of 12.66 million hectares and 4.88 million hectares of forest land, of which 4 million are young and middle-aged forests, accounting for 82% of the total forest land area, 240 million cubic meters of total forest volume, 140 million cubic meters of young and middle- The natural secondary forest in the state-owned forest farms in our district is mainly distributed in the southern part of the Daxinganling Mountains, the small and the small mountains, the Baogdashan, the Maojing Dam, the Daqingshan, the Manhan Mountains, the Wula Mountains and the Helan Mountains, Most of the primitive forests destroyed by the Japanese-puppet plunder were reprocessed and protected after the liberation