雨雪凝冻天气对不同密度马尾松天然中龄林的影响分析

来源 :安徽农业科学 | 被引量 : 0次 | 上传用户:zhuyx82
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分析了雨雪凝冻后贵州省都匀地区不同密度马尾松天然中龄林的生长状况,结果表明,不同密度马尾松天然林经雨雪凝冻后,损失量有显著差别,损失率为18%~34%,但在一定范围内,随密度的加大,受损量趋于平缓。林木损失为正态分布,即主要损失林木径阶处于平均径阶周围,随密度的增大,损失林木径阶主要为低于平均径阶之下的小径阶。
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