四川卧龙国家级自然保护区多空间尺度下绿尾虹雉的生境选择

杨华林, 程跃红, 周天祥, 冯茜, 胡强, 张贵权, 杨建, 张晋东, 王彬, 周材权

Multi-scale habitat selection of Chinese monal (Lophophorus lhuysii) in Wolong National Nature Reserve, Sichuan

Hualin Yang, Yuehong Cheng, Tianxiang Zhou, Xi Feng, Qiang Hu, Guiquan Zhang, Jian Yang, Jindong Zhang, Bin Wang, Caiquan Zhou

表3 繁殖期和非繁殖期绿尾虹雉微生境尺度生境因子主成分分析载荷

Table 3 Principal component loading matrix of habitat variable of Chinese monal at the microhabitat scale during the breeding period and non-breeding period

微生境变量 Microhabitat factors 繁殖期 Breeding period 非繁殖期 Non-breeding period 主成分1 PC1 主成分2 PC2 主成分3 PC3 主成分4 PC4 主成分5 PC5 主成分6 PC6 主成分1 PC1 主成分2 PC2 主成分3 PC3 主成分4 PC4 主成分5 PC5 海拔 Altitude ?0.495 ?0.269 ?0.271 ?0.401 0.442 0.054 ?0.603 ?0.472 0.032 0.414 0.180 坡度 Slope ?0.062 0.002 ?0.026 0.836 0.195 0.272 ?0.023 ?0.281 0.389 ?0.502 ?0.041 坡向 Aspect 0.197 0.028 0.026 0.001 ?0.072 0.855 ?0.050 0.038 0.107 ?0.175 0.866 雪盖度 Snow coverage ?0.277 ?0.032 ?0.801 ?0.401 ?0.232 0.003 ?0.018 ?0.149 ?0.112 0.365 0.607 乔木盖度 Tree coverage 0.082 0.952 ?0.049 0.045 ?0.014 0.048 0.928 0.084 0.065 0.022 ?0.029 乔木平均高度 Average height of trees 0.197 0.964 ?0.060 0.022 ?0.035 ?0.013 0.956 0.129 0.076 ?0.024 ?0.031 乔木平均胸径 Average diameter at breast height of tree 0.228 0.948 ?0.058 0.003 ?0.023 ?0.019 0.889 0.163 0.051 ?0.056 0.017 灌木盖度 Shrub coverage 0.801 ?0.026 ?0.159 0.198 ?0.046 0.305 ?0.014 0.897 0.133 ?0.142 0.016 灌木平均高度 Average height of shrub 0.869 0.145 ?0.078 0.177 ?0.170 0.122 0.165 0.866 ?0.025 0.056 ?0.078 草本盖度 Herbage coverage ?0.506 ?0.182 0.674 0.162 ?0.390 ?0.106 ?0.321 ?0.667 ?0.558 ?0.088 ?0.024 草本平均高度 Average height of herbage 0.152 0.014 0.094 0.732 ?0.216 ?0.355 0.104 0.099 0.615 ?0.313 ?0.205 苔藓盖度 Moss coverage 0.627 0.301 0.069 ?0.106 0.254 ?0.274 ?0.075 0.004 0.113 0.811 ?0.020 落叶盖度 Litter coverage 0.768 0.395 ?0.067 ?0.150 0.028 0.081 0.331 0.633 ?0.154 0.212 ?0.073 岩石盖度 Rock coverage ?0.020 ?0.036 ?0.019 0.065 0.930 ?0.076 ?0.087 ?0.159 0.851 0.092 0.070 牦牛粪便数量 Count of yak dung ?0.300 ?0.150 0.776 ?0.337 ?0.138 0.069 ?0.192 ?0.361 ?0.585 ?0.121 ?0.175 特征根 Eigenvalue 4.721 2.238 1.977 1.445 1.206 1.014 4.548 1.946 1.860 1.472 1.043 贡献率 Contribution (%) 31.476 14.922 13.180 9.633 8.040 6.758 30.230 12.971 12.400 9.816 6.951 累计贡献率 Cumulative contribution (%) 31.476 46.398 59.578 69.211 77.251 84.009 30.323 43.293 55.693 65.509 72.461