腾格里沙漠土壤水分含量与地形、植被的关系
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宁婷, 张定海, 赵有益, 江晶
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Relationship between soil moisture and topography and vegetation in the Tengger Desert
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Ting Ning, Dinghai Zhang, Youyi Zhao, Jing Jiang
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表1 基于广义线性模型的变量的显著性检验
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Table 1 Significance test for variables based on generalized linear models
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变量 | 0~40?cm | 40~200?cm | 200~300?cm |
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估计值 | | 估计值 | | 估计值 | |
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坡度 | 0.097 | 0.432 | 0.015 | 0.878 | 0.002 | 0.986 | 坡向 | 0.056 | 0.404 | 0.000 | 0.998 | 0.157 | 0.034 | 高差 | -0.291 | 0.022 | -0.379 | 0.000 | -0.351 | 0.011 | 灌木盖度 | -0.021 | 0.872 | -0.242 | 0.022 | 0.019 | 0.893 | 灌木多度 | -0.314 | 0.029 | 0.195 | 0.088 | 0.103 | 0.499 | 草本盖度 | 0.256 | 0.147 | 0.309 | 0.030 | -0.045 | 0.809 | 草本多度 | -0.143 | 0.484 | -0.025 | 0.880 | 0.211 | 0.339 | 凋落物 | 0.249 | 0.252 | -0.059 | 0.735 | -0.040 | 0.863 | 生物量 | 0.124 | 0.369 | -0.010 | 0.927 | -0.039 | 0.794 |
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