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Site classification of Phyllostachys nidularia Munro in Liangping county, Chongqing city
Author(s): 
Pages: 142-146
Year: Issue:  2
Journal: Journal of Nanjing Forestry University(Natural Science Edition)

Keyword:  篌竹立地类型主分量分析聚类分析;
Abstract: 以重庆梁平篌竹产区为研究对象,根据立地条件和篌竹生长状况,选定海拔、坡位、坡向、坡度、土层厚度、腐殖质层厚、有机质、全氮、水解氮作为立地调查因子,应用数量化理论和等级系数法对其中定性因子进行量化分析.对立地因子的主分量分析表明:篌竹立地条件分化主要受控于土壤肥力、土壤表层特征和立地形态3个主分量;运用层次聚类法对3个主分量进行聚类分析,可把篌竹立地划分为中下坡厚土少石型、上坡中土少石型、山脊贫瘠荒...
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