永安市森林火险等级区划研究

Study on the Forest Fire Danger Class Division of Yong’an City

针对永安市森林火灾发生特点与规律 ,参照YL10 6 3 - 92《全国森林火险区划等级》 ,按照农业人口密度、路网密度、气温、风速、降水量、树种 (组 )燃烧类型的指标值与立木蓄积量和有林地、未成林面积等火险因子 ,求算两项综合得分值 ,确定火险等级。

Two comprehensive score values were calculated and the fire danger classes were determined,aimed at the feature and law of forest fire occurrence in Yong’an City,consulting YL1063-92 “the National Forest Fire Danger Division Class” and in accordance with the fire danger factors of agricultural population density,road network density, temperature,wind speed,rainfall,tree species(group) burning type index value,standing stock,forested land area,unestablished forest area,etc.