Results have shown that surface flammable substances in Yunnan pine forest totals 95. 043T/ha, of which arbor layer makes up 77. 414 T/ha, shrub layer 4. 165 T/ha, herb layer 0. 104 T/ha, and litter layer 12. 86 T/ha.

• 研究结果表明:云南松林地上部分可燃物总量为95.；043t/ha；其中乔木层77