亚布力林业局是一个历经八十年采伐的老林区,森林资源屡遭破坏,现有经营面积三十七万八千余公顷,活立木总蓄积三千七百万余立米,从森林群落特征及演替进程来看,次生林占百分之八十五以上。抛去过伐林、次生林,用材林中天然幼壮林面积为十一万公顷,占用材林地面积52％,蓄积一千零四十四万立 Yabuli Forestry Bureau is an old forest area after 80 years of harvesting. Its forest resources have been repeatedly damaged. The existing management area is 378,000 hectares and the living woods total 37 million cubic meters. From the characteristics of the forest community and Succession process, the secondary forest accounted for more than 85%. Threw over the deforestation, secondary forest, timber forest natural young and Zhu Lin area of ​​110,000 hectares, accounting for 52% of the area of ​​timber forest, accumulating 10,440,000 Li