沾河顶子是黑龙江省的老火灾区之一，近十年来，火警、火灾频繁。其主要原因是：火险区域大；草塘多，且相互连接；杂草丛生、茂密；林内杂草、枯枝落叶、倒木、站杆多，可燃物载量高达２０～３０ｔ／ｈｍ２；林区道路少；高温少雨，大风天气多。为从根本上改变老火灾区的这种 Zhanhe Dingzi is one of the old fire areas in Heilongjiang Province. In the past ten years, fire and fire have been frequent. The main reason is: the fire danger area is large; the grass ponds are many and connected with each other; the weeds are thick and dense; the weeds, litters, fallen woods and standing poles in the forest are up to 20 ~ 30t / hm2; Road less; high temperature and rain, windy weather and more. To fundamentally change this kind of old fire zone