大兴安岭是我国的重点林区和主要木材生产基地,又是东北松嫩平原和内蒙古呼伦贝尔草原的重要天然屏障。保护好这一林区的森林资源,对保障林区的开发建设,维持农、林、牧区的生态平衡,促进工、农业生产有着重要意义。但是,多年来,林区森林火灾问题一直没有得到解决,每年火灾受害森林面积仍在几百万亩,在整个林区又以南部林区火灾最 Daxinganling is China’s key forest and the main timber production base, but also the northeastern Songnen Plain and Inner Mongolia Hulunbeier grassland important natural barrier. Protecting the forest resources in this forest area is of great significance to ensuring the development and construction of forest areas, maintaining the ecological balance of agriculture, forestry and pastoral areas and promoting the production of agriculture and forestry. However, over the years, the problem of forest fires in the forest areas has not yet been solved. The area affected by fires is still several million mu each year. In the whole area, the fires in the southern forest areas are still the most intense