Urbanization alters soil bacterial communities in southern China coastal cities

文献类型： 外文期刊

第一作者： Fu, Bing

作者： Fu, Bing;Fang, Chang;Pan, Sentao;Zhou, Lei;Yan, Yumeng;Yang, Yan;He, Yinglin;Chen, Shijun;Yang, Huirong;Wang, Jun;Fu, Bing;Fang, Chang;Pan, Sentao;He, Yinglin;Chen, Shijun;Yang, Huirong;Xia, Jun;Peng, Yisheng

作者机构：

关键词： Urbanization; Coastal city; Soil; Bacterial community

期刊名称：ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY （ 影响因子：6.8； 五年影响因子：6.9 ）

ISSN： 0147-6513

年卷期： 2023 年 250 卷

页码：

收录情况： SCI

摘要： Urbanization carries essential influences to ecosystem of soil bacteria in coastal cities. Comprehending the patterns and drivers of bacterial diversity are essential to understanding how soil ecosystems respond to envi-ronmental change. This study aimed to explore how soil bacterial community (SBC) response to distinct ur-banization of coastal cities on composition, assembly process and potential function in Guangdong province, south China. 72 samples from 24 sample sites within 3 cities were included in the study. Soil chemical properties were analyzed, and the bacterial community were investigated by high-throughout sequencing. Proteobacteria and Acidobacteria were the main phyla. Assembly processes remained in stochastic processes and co-occurrence network of SBC kept stable, while urbanization altered SBC by influencing the dominant phyla. The indicators of communities in coastal city soils were the genera gamma_proteobacterium and beta_proteobacterium. Urbanized extent was the non-negligible factor which affected soil bacterial community, despite the total carbon was still the most vital. The impact of urbanization on bacterial communities might follow a non-linear pattern. Faprotax function prediction showed different urbanized coastal city soils share similar metabolic potential. Our study improved our understanding of the response of soil bacterial communities to urbanization in subtropical coastal cities and offered a useful strategy to monitor the ecology risk toward the soil under urbanization.

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