| 主成分分析法和稳定度指数法评价森林群落稳定性比较 |
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| 引用本文： | 闫东锋,王向阳,杨喜田. 主成分分析法和稳定度指数法评价森林群落稳定性比较[J]. 河南农业大学学报, 2011, 45(2): 166-171,182 |
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| 作者姓名： | 闫东锋 王向阳 杨喜田 |
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| 作者单位： | 河南农业大学,河南,郑州,450002 |
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| 基金项目： | 国家自然科学基金项目(30872019) |
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| 摘 要： | 基于森林群落稳定性评价理论,以宝天曼国家级自然保护区内的栎类天然次生林群落为研究对象,选择反映森林群落抵抗力、恢复力、持久性的评价指标(共15个),构建主成分分析和稳定度指数评价模型,计算相应的综合评价值和稳定度指教,以此分别评价了群落稳定性,并对所得的结果进行了比较分析.结果表明,宝天曼地区栎类天然次生林群落总体处于...
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| 关 键 词： | 主成分分析法 稳定度指数法 群落稳定性 评价指标体系 宝天曼 |
Comparison of the analysis methods for forest community stability using principal component analysis and stability degree index methods |
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| YAN Dong-feng,WANG Xiang-yang,YANG Xi-tian. Comparison of the analysis methods for forest community stability using principal component analysis and stability degree index methods[J]. Journal of Henan Agricultural University, 2011, 45(2): 166-171,182 |
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| Authors: | YAN Dong-feng WANG Xiang-yang YANG Xi-tian |
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| Affiliation: | YAN Dong-feng,WANG Xiang-yang,YANG Xi-tian(Henan Agricultural University,Zhengzhou 450002,China) |
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| Abstract: | The forest community stability was evaluated by calculating comprehensive evaluation value and stability degree index based on forest community stability evaluation theory,choosing fifteen indices that describe community resistance,resilience and endurance and building principal component analysis and stability degree index evaluation model in oka natural secondary forest community of Baotianman nature reserve.The results showed that the oka natural secondary forest community was under stable condition in g... |
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| Keywords: | principal component analysis stability degree index community stability evaluation index system Baotianman |
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