Using the Pilodyn to Assess Wood Traits of Standing Trees Larix kaempfri / Pilodyn在日本落叶松活立木材性指标预测中的应...
Using the Pilodyn to Assess Wood Traits of Standing Trees Larix kaempfri / Pilodyn在日本落叶松活立木材性指标预测中的应用
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Beijing: Chinese Academy of Forestry
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Chinese
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Beijing: Chinese Academy of Forestry
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在野外利用Piloacn对日本落叶松活立木南北向木材进行了探测,在室内测定了木芯的基本密度及早晚材的管胞长度和管胞宽度,用Pilodyn探测数据和实际密度建立了回归方程,并用该方程和其他的Pilodyn探测值预测了对应活立木的木材密度.结果表明:日本落叶松Pilodyn南向探测值Ps为15.50 mm,比北向平均值Pn高5.5%.Pn、Ps和Pa与外侧木材的平均基本密度(Dao)呈极显著负相关,相关系数比Pn,Ps和Pa与整株木材的平均基本密度(Da)的大.Pn、Ps和Pa与胸径呈极显著负相关,胸径与北向探测值(Pn)的相关系数较胸径与南向探测值(Ps)的高.木材基本密度对Pilodyn探测值的贡献率最大(40.4%).Pa与Da和Dao均存在极显著的负相关关系,显著性概率P=0.000 1...
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Full title
Using the Pilodyn to Assess Wood Traits of Standing Trees Larix kaempfri / Pilodyn在日本落叶松活立木材性指标预测中的应用
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TN_cdi_proquest_journals_2058273350
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https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_proquest_journals_2058273350
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ISSN
1001-1498
