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桉树短周期工业原料林立地指数模型研究 被引量:7

Study on the Site Index Model of Eucalyptus Short-Rotation Industrial Raw Material Forest
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摘要 W5 eucalyptus clones short-rotation industrial raw material forest ownered by Leizhou Forestry Bureau were selected to be the object of site quality evaluation,the relations among tree height,DBH,and age were analysed by forest resources survey data.The average height and average DBH of dominant tree in forest stand were selected to be dependent variable and independent variable of site quality evaluation model.The standard age was 3.2 years(40 months),and the curve function was Richard function.The site quality evaluation model of eucalyptus short-rotation industrial raw material forest was established.The adaptability of the model was tested,correlation coefficient was 0.95,and the result showed that the difference between theoretical value and investigating value was not obvious.The accuracy of site quality evaluation model was high enough for practical purposes. W5 eucalyptus clones short-rotation industrial raw material forest ownered by Leizhou Forestry Bureau were selected to be the object of site quality evaluation, the relations among tree height, DBH, and age were analysed by forest resources survey data. The average height and average DBH of dominant tree in forest stand were selected to be dependent variable and independent variable of site quality evaluation model. The standard age was 3.2 years (40 months), and the curve function was Richard function. The site quality evaluation model of eucalyptus short-rotation industrial raw material forest was established. The adaptability of the model was tested, correlation coefficient was 0.95, and the result showed that the difference between theoretical value and investigating value was not obvious. The accuracy of site quality evaluation model was high enough for practical purposes.
作者 郑曼 陈永富
出处 《林业科学研究》 CSCD 北大核心 2008年第3期415-418,共4页 Forest Research
关键词 桉树 短周期 立地指数 基准胸径 eucalyptus short-rotation site index standard DBH
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