摘要
应用陕西省五大林区１９８７～１９９５年火灾及有关资料进行客观分析，揭示了陕西省林火发生的时间分布特征为：林火主要发生时段是当年１１月到次年５月，其中２～４月为林火高发期；陕西省林火发生的空间分布有三个林火高发区；对各类火源的林火比率计算分析显示：农业用火和林区吸烟是陕西省森林火灾的主要火源。
Analysis on data of forest fires happened in five forest regions of Shaanxi from 1987 to 1995 showed that most forest fires happened from Nov. to May, the fires occurred easily from Feb. to April, there were three high fire happenang zones in Shaanxi. The main forest fire sources were agricultural fire and smoking.
出处
《西北林学院学报》
CSCD
北大核心
1998年第1期75-78,共4页
Journal of Northwest Forestry University
关键词
陕西
林火
时空分布
火源
Shaanxi
forest fire
time and spacial distribution
fire soures characters
