沙漠生物土壤结皮演替对微生物群落结构和土壤酶活力的影响
张胜男, 高海燕, 闫德仁, 黄海广

Effects of desert biological soil crusts succession on microbial community structure and soil enzyme activities
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图2 土壤细菌在OTU水平上的维恩图
Fig.2 Venn diagram of soil bacteria at the OTU level