降水对古尔班通古特沙漠细菌群落多样性和构建过程的影响

杜芳, 荣晓莹, 徐鹏, 尹本丰, 张元明

Bacterial diversity and community assembly responses to precipitation in the Gurbantunggut Desert

Fang Du, Xiaoying Rong, Peng Xu, Benfeng Yin, Yuanming Zhang

表1 不同丰度细菌群落βNTI与环境因子的Partial Mantel检验。粗体表示在P < 0.05水平上差异显著。

Table 1 Partial Mantel test of βNTI of whole, abundant and rare bacterial communities with environmental factors. Bold indicates a significant difference at the P < 0.05 level. ** P < 0.01; *** P < 0.001.

变量 Variables 控制变量 Controlled variables R P TP Spatial + Environmental (excluding TP) 0.03 0.633 总细菌 Whole bacteria Spatial Environmental (excluding TP) + TP 0.26 0.002** Environmental (excluding TP) Spatial + TP 0.06 0.226 MAP Spatial + Environmental (excluding MAP) 0.357 0.001*** 高丰度细菌 Abundant bacteria Spatial Spatial + Environmental (excluding MAP) + MAP 0.361 0.001*** Environmental (excluding MAP) Spatial + MAP 0.029 0.322 MAP Spatial + Environmental (excluding MAP) 0.474 0.001*** TP Spatial + Environmental (excluding TP) 0.012 0.395 低丰度细菌 Rare bacteria Spatial Spatial + Environmental (excluding MAP) + MAP 0.502 0.001*** Environmental (excluding MAP + TP) Spatial + MAP + TP 0.014 0.369