阿尔山林业局成立于1946年,在内蒙古大兴安岭林区建局最早。为贯彻以“营林为基础”的林业方针,自上世纪50年代开始大力开展植树造林,截止目前在境内共造林98357.9hm2,已郁闭成林59831hm2,蓄积2594202m3,其中:过熟林面积106hm2,蓄积734m3;成熟林1299hm2,蓄积165102m3;近熟林106 Aershan Forestry Bureau was established in 1946, the earliest in the Daxinganling Forestry Bureau in Inner Mongolia. In order to implement the forestry policy of “silviculture-based”, since the 50s of last century, vigorous tree planting and afforestation has been carried out. Up to now, a total of 98,357.9hm2 of afforestation has been established in the country, and 59,831hm2 of afforestation and 2594,202m3 of afforestation have been formed, of which, the area of ​​over-mature forests is 106hm2 , Accumulate 734m3; mature forest 1299hm2, accumulate 165102m3;