摘要
应用数据库管理系统（Foxbase）对呼伦贝尔草原火灾数据进行处理，统计分析表明：呼伦贝尔草原火发生在春秋两季，以4月、5月和10月尤为严重，集中发生火情时段为每日11：00～15：00．在不同月份、不同日期和不同时刻，火源不尽相同，每种火源都有各自的时间分布规律．呼伦贝尔草原牧区各族市由于地理位置、气候条件、植被状况、生产不惯等方面的不同。
The paper statistically analyses fires data of hulunbeier grassland by foxbase in computer. Statistica1 data suggest the laws of fires distribution on time and space. Fire seasons are spring and autumn. April, May and October are especially serious months. Grassland fires concentrate at 11:00 to 15:00. Causes of fire vary in different years, months and days. Fire regimes in different places differ on account of different geographical positions,vegetables, climates and so on.
出处
《东北师大学报（自然科学版）》
CAS
CSCD
1999年第4期111-116,共6页
Journal of Northeast Normal University(Natural Science Edition)
基金
农业部"九五"重点科技项目
关键词
呼伦贝尔草原
火灾分布
火灾次数
过火面积
草原
Hulunbeier grassland
fire distribution
fire number
burned and burning area
causes of fire distribution
