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沙松的优树选择
SUPERIOR TREE SELECTION OF ABIES HOLOPHYLLA MAXIM
【摘要】 采用优势度和判别分析相结合的方法 ,对东京城林业局大沟林场 8株复选沙松优树进行了判断 ,同时对 30株沙松初选优树进行了二级判别分析 ,并建立了判别函数。提出了沙松优树选择的原则、标准及优树复选的标准 ,同时例举了判别法的具体应用实例
【Abstract】 Using combination of dominancy with discriminantory analysis,carried out discrimination of 8 plus trees of multiple choice in Dongjengcheng Forestry Bureau,and also secondary discriminantory analysis for 30 plus trees of preliminary cboice,and established discriminant function.The paper has presented principle and standard for selection of superior trees of Abies holopholla and given applying examples.
- 【文献出处】 防护林科技 ,Protection Forest Science and Technology , 编辑部邮箱 ,2002年02期
- 【分类号】S791
- 【被引频次】11
- 【下载频次】82