| 河北省孟滦林场柞树林分结构特征 |
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| 引用本文： | 秦琰,李兵兵,曹立颜,刘相兵,黄选瑞.河北省孟滦林场柞树林分结构特征[J].河北农业大学学报,2011,34(2):34-39. |
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| 作者姓名： | 秦琰 李兵兵 曹立颜 刘相兵 黄选瑞 |
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| 作者单位： | 河北农业大学林学院,河北保定,071000 |
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| 基金项目： | 科技部公益专项资助(200804027) |
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| 摘 要： | 本研究以孟滦林场柞树林分为研究对象,采用网格法对其进行调查研究,利用Webu11分布以及负指数分布对该类型的直径结构进行拟合,并通过角尺度、混交度、大小比3个参数,对林分空间结构特征进行了分析.结果表明:柞树林分直径结构呈单峰山状分布,表明直径结构分布较不合理;林分小径阶较多时,负指数分布比weibull分布拟合效果略...
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| 关 键 词： | 柞树林 直径结构 空间结构 |
The structure of Quercus mongolica forest stand of Mengluan forest farm in Hebei province |
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| QIN Yan,LI Bing-bing,CAO Li-yan,LIU Xiang-bin,HUANG Xuan-rui.The structure of Quercus mongolica forest stand of Mengluan forest farm in Hebei province[J].Journal of Agricultural University of Hebei,2011,34(2):34-39. |
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| Authors: | QIN Yan LI Bing-bing CAO Li-yan LIU Xiang-bin HUANG Xuan-rui |
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| Institution: | QIN Yan,LI Bing-bing,CAO Li-yan,LIU Xiang-bin,HUANG Xuan-rui(College of Forestry,Agricultural University of Hebei,Baoding 071000,China) |
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| Abstract: | In order to identify the stand structure,this study used the lattice method to investigate Quercus mongolica stand in the Mengluan forest farm.Stand diameter distribution was fitted using Weibull distribution and the negative exponential distribution,three parameters of angle index,mingling degree and the value of neighborhood comparison were used to analyze distribution pattern of stand.Results showed that the stand diameter distribution shows a unimodal hill-shape curve generally indicative of unreasonabl... |
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| Keywords: | Quercus mongolica diameter structure spatial structure |
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