毛乌素沙地臭柏（Sabina vulgaris）群落生物土壤结皮细菌群落组成及其影响因素

周虹, 吴波, 高莹, 成龙, 贾晓红, 庞营军, 赵河聚

Composition and influencing factors of the biological soil crust bacterial communities in the Sabina vulgaris community in Mu Us Sandy Land

Hong Zhou, Bo Wu, Ying Gao, Long Cheng, Xiaohong Jia, Yingjun Pang, Heju Zhao

表4 生物土壤结皮细菌群落与土壤环境因子的相关性

Table 4 Correlations between soil environmental factors and bacterial communities in biological soil crusts

门 含水量 全碳 有机碳 全氮 硝态氮 铵态氮 全磷 pH 细菌群落 0.539** 0.424* 0.517* 0.352* 0.441* 0.167 0.392* 0.044 放线菌(Actinobacteria) 0.521* 0.329** 0.550** 0.525* 0.332* 0.045 0.368* 0.394 酸杆菌(Acidobacteria) 0.304 0.543* 0.498* 0.636* 0.109* 0.143 0.379 0.152* 拟杆菌(Bacteroidetes) 0.646** 0.536* 0.800* 0.304 0.115* 0.177 0.386 -0.211 绿弯菌(Chloroflexi) 0.296* 0.436 0.369* 0.500 0.209 0.246 0.761* 0.143 蓝藻(Cyanobacteria) 0.246 0.268 0.742 0.332 0.235* 0.696* 0.696 0.199 变形菌(Proteobacteria) -0.246* -0.443 -0.634 -0.593** 0.321* -0.234 -0.864* -0.322 厚壁菌(Firmicutes) -0.654* -0.150 -0.391 -0.336 0.177 -0.028 -0.293 -0.252 芽单胞菌(Gemmatimonadetes) 0.271 0.239 0.284 0.429 0.273 0.314 0.511 0.442 浮霉菌(Planctomycetes) 0.364 0.486 0.336 0.686* 0.353 0.102 0.868 0.032