功能多样性和谱系多样性对热带云雾林群落构建的影响
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程毅康,张辉,王旭,龙文兴,李超,方燕山,符明期,朱孔新
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Effects of functional diversity and phylogenetic diversity on the tropical cloud forest community assembly
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CHENG Yi-Kang,ZHANG Hui,WANG Xu,LONG Wen-Xing,LI Chao,FANG Yan-Shan,FU Ming-Qi,ZHU Kong-Xin
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表2 热带云雾林环境因子的主成分分析
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Table 2 Principle component analysis (PCA) among environment factors in tropical cloud forest
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环境变量 Environmental variable | PCA1 | PCA2 | PCA3 | PCA4 | 林冠开阔度 CO (%) | -0.33 | - | 0.89 | -0.24 | 土壤有机质含量 SOM (g·kg-1) | -0.35 | 0.47 | -0.23 | -0.34 | 全磷含量 TP (g·kg-1) | -0.50 | - | - | 0.31 | 全氮含量 TN (g·kg-1) | -0.47 | -0.11 | -0.32 | -0.15 | 有效氮含量 AN (mg·kg-1) | -0.47 | -0.19 | -0.19 | -0.19 | 有效磷含量 AP (mg·kg-1) | 0.24 | 0.59 | - | -0.48 | 坡度 SP (o) | 0.13 | -0.61 | - | -0.66 | 特征值 Characteristic value | 3.32 | 1.87 | 0.48 | 0.17 | 解释方差比例 Explained variance proportion | 0.52 | 0.27 | 0.10 | 0.07 | 累积解释方差比例 Cumulative explained variance proportion | 0.52 | 0.79 | 0.89 | 0.96 |
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