| 巨桉人工林木材密度及其变异特性 |
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| 引用本文： | 夏炎,王亚男,毕传奇,邱坚.巨桉人工林木材密度及其变异特性[J].西南林学院学报,2011,31(4):74-76,84. |
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| 作者姓名： | 夏炎 王亚男 毕传奇 邱坚 |
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| 作者单位： | 西南林业大学木质科学与装饰工程学院，西南山地森林资源保育与利用省部共建教育部重点实验室，云南昆明650224 |
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| 基金项目： | 云南省自然科学基金重点项目(2006C007Z)资助；西南林业大学木材科学与技术省级重点学科资助 |
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| 摘 要： | 以巨桉人工林为研究对象,探讨木材基本密度、气干密度和全干密度在株内径向和轴向上的变化趋势、变异特性,并分析各密度之间的相关关系。结果表明：在植株径向上巨桉木材密度基本保持平稳,髓心部分的木材密度相对较小;轴向上0～6 m处,密度随高度的上升呈现下降趋势;由变异系数分析可得,上端木材密度变异程度较小,可以推测随着植株高度的增加,密度的稳定性较好;分析密度之间的相关性,得出气干密度、全干密度与基本密度呈显著的线性相关关系,方程拟合良好,所建模型有效可靠。
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| 关 键 词： | 基本密度 气干密度 全干密度 变异特性 巨桉人工林 |
Study on Density and Its Variation Properties of the Timber Grown in Eucalyptus grandis Plantation |
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| XIA Yan,WANG Ya-nan,BI Chuan-qi,QIU Jian.Study on Density and Its Variation Properties of the Timber Grown in Eucalyptus grandis Plantation[J].Journal of Southwest Forestry College,2011,31(4):74-76,84. |
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| Authors: | XIA Yan WANG Ya-nan BI Chuan-qi QIU Jian |
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| Institution: | XIA Yan,WANG Ya-nan,BI Chuan-qi,QIU Jian(College of Wood Science and Technology,Key Laboratory of Southwest Forest Resources Conservation and Utilization in SWFU,Cosponsored by Yunnan Province and Ministry of Education,Kunming Yunnan 650224,China) |
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| Abstract: | Taking the timber grown in the Eucalyptus grandis plantation as study object,the variation tendency of the basic density,the air dried density and the oven dried density of the timber in both radial and axial directions,and the correlations among the different density indexes were analyzed.The results showed that the density indexes relatively remained stable in the radial direction,and the densities of the timber close to the pith part were relatively smaller.The densities in the axial direction were decre... |
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| Keywords: | basic density air dried density oven dried density variation properties Eucalyptus grandis plantation |
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