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森林的三大敌人是山火、病虫害和滥砍盗代。其中最危险的是山火。森林火灾对森林的破坏极大,造成的经济损失也很严重。大兴安岭林区过火林地面积5千余万公顷(林地实际过火面积2,620万公顷),扑火出动40万人次(扣合280万个工日)。出动各种机型飞机3,679架次,飞行10,862小时,出动汽车4,604台次,扑火直接费用1,500多万元,消耗粮食840多万斤,烧毁森林蓄积5,200万立方米,损失10亿4千万元。为搞清森林火灾对树木的破坏程度和所引起的后果,大兴安岭地区防火办组织有关单位对多布库尔河、古里河、奎勒河、湖地气河流域的火烧迹地进行了调查。具体地点
The three major enemies of the forest are mountain fire, pests and diseases and theft. One of the most dangerous is the mountain fire. Forest fires have devastated forests and caused serious economic losses. Daxinganling forest area over 650,000 hectares of forest land (forest area actually over 26.2 million hectares), fire out 400000 person-time (with 2.8 million working days). 3,679 sorties of various types of aircraft were dispatched, 10,862 hours were flown and 4,604 vehicles were dispatched. The direct cost of fire fighting was over 15 million yuan, consuming more than 840 million kilograms of grain, burying 52 million cubic meters of forest and losing 1.04 billion yuan . In order to find out the extent of damage to trees caused by forest fires and the consequent consequences, Daxing’anling Fire Prevention Office organized relevant units to investigate the burned-out areas of Dobukur River, Guli River, Quail River and Lake Gas River Basin. Specific locations