森林是人类最早的栖身场所,火是伴随人类进步的重要因素。森林火灾在人类出现以前就经常发生,它是由雷击、闪电、火山爆发、泥炭自燃等现象引起的。有史以来,地球上除了很潮湿的热带雨林、寒冷的冻原和干燥的沙 Forests are the earliest habitat for human beings, and fire is an important factor accompanying human progress. Forest fires often occur before humans appear. They are caused by lightning strikes, lightning, volcanic eruptions, and spontaneous combustion of peat. All along, except the humid tropical rainforest, cold tundra and dry sand on Earth