镇江古运河表层沉积物重金属污染及对微生物群落的影响
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- 英文论文题名：Effect of heavy metal pollution on microbial community in sediments of the ancient canal
- 论文作者：杨统一 ; 曲静怡 ; 陈芳艳 ; 唐玉斌
- 英文论文作者：YANG Tong-yi ; QU Jing-yi ; CHEN Fang-yan ; TANG Yu-bin ; School of Environmental and Chemical Engineering ; Jiangsu University of Science and Technology
- 年：2016
- 作者机构：江苏科技大学环境与化学工程学院;
- 论文关键词：重金属污染 ; 微生物群落 ; 表层沉积物
- 英文论文关键词：heavy metal pollution ; microbial community ; surface sediment
- 会议召开时间：2016-12-01
- 会议录名称：第六届重金属污染防治及风险评价研讨会暨重金属污染防治专业委员会2016年学术年会论文集
- 语种：中文
- 分类号：X172;X522
- 学会代码：HJKP
- 会议名称：第六届重金属污染防治及风险评价研讨会暨重金属污染防治专业委员会2016年学术年会
- 会议地点：中国福建厦门
- 主办单位：中国环境科学学会
- 学会名称：中国环境科学学会
- 页数：7
- 文件大小：1222k
- 原文格式：D
- 会议级别：全国
摘要
以古运河镇江段为研究对象,测定了表层沉积物中重金属含量和微生物群落的时空变化。结果表明:镇江古运河表层沉积物中重金属Cd~(2+)、Cr~(3+)、Cu~(2+)、Ni~(2+)、Pb~(2+)、Zn~(2+)的平均含量分别为:3.52、112.33、144.08、52.13、104.5、1014.92μg/g,且存在时空差异。冗余分析表明,表层沉积物中微生物群落遗传多样性的时空差异性较大;重金属Cd~(2+)、Cr~(3+)、Cu~(2+)、Pb~(2+)、Zn~(2+)及Ni~(2+)对所有沉积物微生物结构的影响各不相同。
Zhen Jiang reach of the ancient canal was chosen as the research object. The contents of heavy metals in the surface sediments and the spatial and temporal variations of microbial community were determined. The results indicated that the 6 kinds of trace elements, The amounts of Cd~(2+),Cr~(3+),Cu~(2+),Ni~(2+),Pb~(2+) and Zn~(2+) in the surface sediments were 3.52, 112.33, 144.08, 52.13, 104.5, and 1014.92 μg/g, respectively, and there was temporal and spatial differences of heavy metal content. Redundancy analysis showed that the genetic diversity of the microbial community in the surface sediment of spatio-temporal difference was bigger; the effects of Cd, Cr, Cu, Pb, Zn and Ni on microbial structures had different in the surface sediments.
Zhen Jiang reach of the ancient canal was chosen as the research object. The contents of heavy metals in the surface sediments and the spatial and temporal variations of microbial community were determined. The results indicated that the 6 kinds of trace elements, The amounts of Cd~(2+),Cr~(3+),Cu~(2+),Ni~(2+),Pb~(2+) and Zn~(2+) in the surface sediments were 3.52, 112.33, 144.08, 52.13, 104.5, and 1014.92 μg/g, respectively, and there was temporal and spatial differences of heavy metal content. Redundancy analysis showed that the genetic diversity of the microbial community in the surface sediment of spatio-temporal difference was bigger; the effects of Cd, Cr, Cu, Pb, Zn and Ni on microbial structures had different in the surface sediments.
引文
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[2]贾英,方明,吴友军.上海河流沉积物重金属的污染特征与潜在生态风险[J].中国环境科学,2013,33(1):147-153.
[3]刘淑民,姚庆祯,刘月良.黄河口湿地表层沉积物中重金属的分布特征及其影响因素[J].中国环境科学,2012,32(9):1625-1631.
[4]于文金,邹欣庆,朱大奎.曹妃甸老龙口现代沉积环境及重金属污染特征研究[J].中国环境科学,2011,31(8):1366-1376.
[5]李磊,平仙隐,王云龙.长江口及邻近海域沉积物中重金属研究[J].中国环境科学,2012,32(12):2245-2252.
[6]Wu P,Wang Y,Sun F,et al.Bacterial polycyclic aromatic hydrocarbon ring-hydroxylating dioxygenases in the sediments from the Pearl River estuary,China[J].Applied Microbiology and Biotechnology,2013:1-10.
[7]O'Sullivan L A,Sass A M,Webster G,et al.Contrasting relationships between biogeochemistry and prokaryotic diversity depth profiles along an estuarine sediment gradient[J].FEMS Microbiology Ecology,2013:n/a-n/a.
[8]Pires A C C,Cleary D F R,Almeida A,et al.Denaturing Gradient Gel Electrophoresis and Barcoded Pyrosequencing Reveal Unprecedented Archaeal Diversity in Mangrove Sediment and Rhizosphere Samples[J].Applied and Environmental Microbiology,2012,78(16):5520-5528.
[9]Tang C,Madigan M TLanoil B.Bacterial and Archaeal Diversity in Sediments of West Lake Bonney,Mc Murdo Dry Valleys,Antarctica[J].Applied and Environmental Microbiology,2013,79(3):1034-1038.
[10]Yang T,Ding Y,Zhu Y,et al.Rhizosphere bacteria induced by aluminum-tolerant and aluminum-sensitive soybeans in acid soil[J].Plant,Soil and Environment,2012,58(6):262-267
[11]Yang T,Liu G,Li Y,et al.Rhizosphere microbial communities and organic acids secreted by aluminum-tolerant and aluminum-sensitive soybean in acid soil[J].Biology and Fertility of Soils,2012,48(1):97-108.
[12]于君宝,陈小兵,毛培利.新生滨海湿地土壤微量营养元素空间分异特征[J].湿地科学2010,8(3):213-219.
[13]刘峰,王海亭王德利.莱州湾滨海湿地沉积物重金属的空间分布[J].海洋科学进展,2004,22(4).
[14]赵健,毕春娟陈振楼.长江口潮滩沉积物中活性重金属的空间分异及控制机制[J].长江流域资源与环境,2009,11(18):1020-1025.
[15]刘芳文,颜文,黄小平.珠江口沉积物中重金属及其相态分布特征[J].热带海洋学报,2003,22(5):16-24.
[16]Attrill M JM T R.Heavy metal concentration in sediment from the Thames estuary,UK[J].Marine Pollution Bulletin,1995,30(11):742-744.
[17]Forstner UG.M,Schwer metalle in Flussen und Seen[M].Berlin:Springer,1974.
[18]Edward D.Goldberg,Eric Gamble,John J.Griffin,et al.Pollution history of Narragansett Bay as recorded in its sediments[J].Estuarine and Coastal Marine Science,1977,5(4):559–561.
[19]吴淑岱,中华人民共和国土壤环境背景值图集[M].北京:中国环境科学出版社,1994:3.
[20]张栋,郑晓玲,何鹰.渤海南部表层沉积物重金属污染及潜在生态风险评价[J].环境污染与防治,2011,33(9):8-10.
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