Study on the soil microbial community structure associated with six land use in Siding mining area
YU Fang-ming1,2, YAO Ya-wei2, XIE Dong-yu2, WANG Xue-ru2, LIN Jia-min2, LIU Yuan2, LIU Ke-hui1,3, LI Yi1,2
1. Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection, Ministry of Education, Guangxi Normal University, Guilin 541004, China; 2. College of Environment and Resources, Guangxi Normal University, Guilin 541004, China; 3. College of Life Science, Guangxi Normal University, Guilin 541004, China
Abstract:Six different land use types (corn field, vegetable field, shrubs, mine tailing, forests and citrus orchards) were selected as variables around the Siding Lead-Zinc mining area in Liuzhou, Guangxi Province in the present study. The soil bacterial abundance, diversity and community composition were examined using Illumina MiSeq high-throughput sequencing technology to discuss the effects of soil physicochemical properties on soil microbial community structure. The results indicated that phylum Proteobacteria was the most dominant taxon in these land use types, with a high abundance ranging from 31.34% to 53.47%. Gammaproteobacteria was the most dominant class. The redundancy analysis showed that in shrubs where the content of heavy metals in the soil was the highest, there was a significant positive correlation between the relative abundance of Firmicutes and Bacteroidetes and the content of lead, zinc, cadmium and copper in soils. Additionally, in corn and vegetable field with high levels soil sodium and potassium contents, the relative abundance of Planctomycetes increased, while the relative abundance of Firmicutes and Bacteroidetes decreased. Moreover, in citrus orchards with high soil organic matter content and low nitrogen and phosphorus content, the relative abundance of Acidobacteria and Verrucomicrobia were comparably high. There was a significant positive correlation between the relative abundance of Gemmatimonadetes and Planctomycetes and the soil pH. Hence, the results indicated that land use and soil environmental factors had significant impact on the diversity of soil microbial community structure.
于方明, 姚亚威, 谢冬煜, 王雪茹, 林嘉敏, 刘媛, 刘可慧, 李艺. 泗顶矿区6种土地利用类型土壤微生物群落结构特征[J]. 中国环境科学, 2020, 40(5): 2262-2269.
YU Fang-ming, YAO Ya-wei, XIE Dong-yu, WANG Xue-ru, LIN Jia-min, LIU Yuan, LIU Ke-hui, LI Yi. Study on the soil microbial community structure associated with six land use in Siding mining area. CHINA ENVIRONMENTAL SCIENCECE, 2020, 40(5): 2262-2269.
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