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我区成立四十年来,在党和各级人民政府的正确领导和关怀下,次生林经营事业有了很大发展,特别是党的十一届三中全会以来,次生林经营工作的发展更快,形势更加喜人。我区天然次生林主要分布在大兴安岭南部、大小罕山、大青山、贺兰山等山地。这些次生林,解放前遭受严重破坏,自治区成立后,经过封育保护和抚育改造,逐步得到了恢复和发展。目前,有林地面积已达到7,786万亩,蓄积量约2亿立方米,与自治区成立初期相比,有林地面积增加了4,400万亩,增长130％,蓄积量增加了1亿立方米,增长近一倍。
Since the establishment of the district forty years ago, under the correct leadership and care of the party and people’s governments at all levels, the undertaking of secondary forest business has greatly developed. Especially since the Third Plenary Session of the 11th CPC Central Committee, secondary forest management has developed rapidly. The situation is even more gratifying. Natural secondary forests in our area are mainly distributed in the southern part of Daxinganling Mountains, small and large mountains, Daqingshan, Helan Mountain and other mountains. These secondary forests suffered serious damage before the liberation. After the establishment of the autonomous region, it has been gradually restored and developed after being sealed, protected and rebuilt. At present, the area of forest land has reached 77.68 million mu and the stock volume is about 200 million cubic meters. Compared with the early days of the autonomous region, the area of forest land increased by 44 million mu, an increase of 130% and the stock volume increased by 100 million m³ Double