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长期规定火烧对老龄海岸红杉林后续野火的影响及意义
研究发现,经过规定火烧处理的区域,所有树种的个体树木在野火后的死亡率和顶枯率(Topkill)都显著低于未处理区域。例如,所有树种的平均死亡率在规定火烧区域为 8.6%(标准误差:±1.4),而在未处理区域为 13.2%。而且,树越高、直径越大,就越不容易 ...
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