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笔者对宁强县1979—1987年9年的火灾资料进行了初步分析,以期查明火灾发生原因,准确进行火情预测预报,及早采取防范措施。1979—1987年春,宁强县共发生森林火灾、火警、荒火67次,过火面积达275公顷。其中1987年是山火最严重的一年,共发生火灾、火警、荒火25次,过火面积190公顷, 分别占总次数、总面积的37.3%和69.0%。一、林火发生特点9年间宁强县67次森林火灾、火警、荒火全属人为火源造成。其中烧荒用火、吸烟及小孩玩火是森林火灾的三大火源。1980年发生火灾5次,4次由烧荒引起;1981年发生火灾8次,6次由烧荒引起;1987年发生的10次火灾、6次火警、9次荒火,14次是
The author conducted a preliminary analysis on the fire data of Ningqiang County from 1979 to 1987 for 9 years in order to find out the cause of the fire, accurately predict the fire situation and take precautionary measures as early as possible. In the spring of 1979-1987, there were 67 forest fires, fires and wild fires in Ningqiang County, with an over-heated area of 275 hectares. Among them, 1987 was the most serious year for mountain fire with a total of 25 fires, fires and wild fires and an over-heated area of 190 hectares, accounting for 37.3% and 69.0% of the total area respectively. First, the characteristics of forest fire Ningqiang County nine years, 67 times the forest fire, fire, wild fire all human caused by fire. Burning fire among them, smoking and playing with children are the three major sources of fire in forest fires. There were five fires in 1980 and four fires in 1981; eight fires in 1981 and six fires in 1987; ten fires, six fires and nine wild fires in 1987 and 14 fires