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吉林是全国第二大林区,而延边林区林木蓄积占全省的43％,森林覆被率为73％。是我省的主要林区。同时该区又是全省的1级火险区,79～81三年共发生林火515次,占长白山林区的2/3强,每次过火面积2.58公顷,三年过火面积13286公顷,共损失人民币价值310.6万元,年平均损失人民币103.5万元,由此看出,研究该林区林火发生规律和它与气象因子的关系,加强火灾予报,对实现我省的林业现代化有着重要意义。一、材料的收集与研究区的概况
Jilin is the second largest forest region in the country, while the forest reserves in Yanbian area occupy 43% of the province and the forest cover rate is 73%. Is the main forest area in our province. At the same time, the district is also a grade 1 fire danger area in the province. There were 515 forest fires occurring between 1979 and 2001, accounting for 2/3 of the Changbai Mountain forest area, each with an area of over 2.58 hectares and an area of 13,286 hectares over three years Losses of RMB3.016 million yuan, the average annual loss of 1.035 million yuan, which shows that the study of forest fire law and its relationship with the meteorological factors, and strengthen the fire to the newspaper, to achieve the province’s forestry modernization is important significance. First, the collection of materials and research area profiles