Metals and microorganisms in a Maar lake sediment core indicating the anthropogenic impact over last 800 years

被引:2
作者
Yan, Jia [1 ]
Guo, Xingpan [1 ]
He, Maoyong [4 ]
Niu, Zuoshun [1 ]
Xu, Miao [1 ]
Peng, Bo [1 ]
Yang, Yi [1 ,2 ,3 ]
Jin, Zhangdong [4 ]
机构
[1] East China Normal Univ, Sch Geog Sci, Key Lab Geog Informat Sci, Minist Educ, 500 Dongchuan Rd, Shanghai 200241, Peoples R China
[2] East China Normal Univ, State Key Lab Estuarine & Coastal Res, Yangtze Delta Estuarine Wetland Ecosyst Observat &, Minist Educ & Shanghai, 3663 North Zhongshan Rd, Shanghai 200062, Peoples R China
[3] East China Normal Univ, Shanghai Key Lab Urban Ecol Proc & Ecorestorat, 500 Dongchuan Rd, Shanghai 200241, Peoples R China
[4] Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Peoples R China
基金
中国国家自然科学基金;
关键词
Lake sediment; Trace metal; Human activity; Microbial community; Microbial function; Indicator; SOIL MICROBIAL COMMUNITIES; HEAVY-METALS; CONTAMINATION; RECORD; CHINA; PB; ANTHROPOCENE; VEGETATION; POLLUTION; ANTIMONY;
D O I
10.1016/j.scitotenv.2023.168392
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
A closed Maar lake, receiving mostly atmospheric deposition, offers a unique setting for investigating the impact of human activities on the environment. In this study, we aimed to investigate the historical record of metals in core sediments of Maar Lake in Huguangyan (HGY), Southeast China, and elucidate the possible microbial responses to anthropogenic metal stress. Five stages were divided according to the historical record of metals and corresponding distribution of microbial community, among which Pb and Sn showed a peak value around 1760 CE, indicating the ancient mining and smelting activities. Since the 1980s, a substantial enrichment of metals such as Zn, As, Mo, Cd, Sn, Sb, and Pb was observed, due to the rapid industrial growth in China. In terms of microorganisms, Chloroflexi phylum, particularly dominated by Anaerolineales, showed significant correlations with Pb and Sn, and could potentially serve as indicator species for mining and smelting-related contamination. Desulfarculales and Desulfobacterales were found to be more prevalent in recent period and exhibited positive correlations with anthropogenic metals. Moreover, according to the multivariate regression modeling and
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页数:10
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