[1]葛晓辉,胡东方,陈建琴,等.江苏南部沿海鸻鹬类迁徙停息地潮间带表层沉积物重金属分布及污染评价[J].南京师范大学学报(自然科学版),2017,40(01):86.[doi:10.3969/j.issn.1001-4616.2017.01.013]
 Ge Xiaohui,Hu Dongfang,Chen Jianqin,et al.Distribution and Pollution Assessment of Heavy Metals in SurfaceSediments of Intertidal Wetland of Globally Important ShorebirdStopover Sites in Southern Jiangsu Province,China[J].Journal of Nanjing Normal University(Natural Science Edition),2017,40(01):86.[doi:10.3969/j.issn.1001-4616.2017.01.013]
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江苏南部沿海鸻鹬类迁徙停息地潮间带表层沉积物重金属分布及污染评价()
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《南京师范大学学报》(自然科学版)[ISSN:1001-4616/CN:32-1239/N]

卷:
第40卷
期数:
2017年01期
页码:
86
栏目:
·数学与计算机科学·
出版日期:
2017-03-31

文章信息/Info

Title:
Distribution and Pollution Assessment of Heavy Metals in SurfaceSediments of Intertidal Wetland of Globally Important ShorebirdStopover Sites in Southern Jiangsu Province,China
文章编号:
1001-4616(2017)01-0086-09
作者:
葛晓辉1胡东方1陈建琴2刘 威1张 怡1胡超超1常 青1
(1.南京师范大学生命科学学院,江苏 南京 210023)(2.江苏第二师范学院生物科学与化学化工学院,江苏 南京 210013)
Author(s):
Ge Xiaohui1Hu Dongfang1Chen Jianqin2Liu Wei1Zhang Yi1Hu Chaochao1Chang Qing1
(1.School of Life Sciences,Nanjing Normal University,Nanjing 210023,China)(2.School of Life Science and Chemical Engineering,Jiangsu Second Normal University,Nanjing 210013,China)
关键词:
鸻鹬类迁徙停息地表层沉积物重金属分布污染评价来源
Keywords:
shorebird stopover sitesurface sedimentheavy metalsdistributionpollution assessmentsource
分类号:
Q958
DOI:
10.3969/j.issn.1001-4616.2017.01.013
文献标志码:
A
摘要:
对江苏南部沿海鸻鹬类迁徙停息地潮间带18个样点的36份表层沉积物中重金属的分布特征、污染状况及可能来源进行了分析. 分析结果表明:春、秋两季7种重金属平均含量的大小顺序均为Zn>Pb>As>Cu>Cr>Cd>Hg,其中As、Hg的含量在两季间存在显著性差异,Cu、Zn的含量在各潮带间存在显著性差异,Cd在各断面之间存在显著差异. 基于地质累积指数法评价各重金属污染程度从强到弱为:春季Cd>Pb>As>Cu>Zn>Cr>Hg,秋季Cd>As>Pb>Cu>Zn>Hg>Cr; 潜在生态危害指数法评价分析表明:As、Pb、Cu、Hg、Zn、Cr均处于低生态危害等级,Cd整体上处于较重生态危害等级. 主成分分析(principal component analysis,PCA)表明:研究区重金属污染主要来源于经济开发区企业的工业排污、周边地区机动车尾气及当地渔港船舶污染的排放.
Abstract:
Total of 36 surface sediment samples were collected from 18 sampling sites of intertidal zone,and the distribution,contamination and source of heavy metals in the globally important shorebirds stopover sites of south Jiangsu were investigated. The results showed that the average content of heavy metals were Zn>Pb>As>Cu>Cr>Cd>Hg both in spring and autumn,and there were no significant differences in the contents of heavy metals,except for As and Hg in different season,Cu and Zn in different intertidal zones,and Cd in different transects. The geoaccumulation index assessment indicated that the pollution status was Cd>Pb>As>Cu>Zn>Cr>Hg in spring,and Cd>As>Pb>Cu>Zn>Hg>Cr in autumn. The potential ecological risk index indicated that As,Pb,Cu,Hg,Zn and Cr were all at the low ecological risk level,and Cd was at slightly high level. The principal component analysis indicated that the heavy metals mainly came from industrial emissions of the Rudong Economic Development Zone,motor vehicle exhaust and the ship pollution emissions of the local fishing ports.

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备注/Memo

备注/Memo:
收稿日期:2016-09-18.
基金项目:江苏省优势学科建设项目(201504).
通讯联系人:常青,教授,研究方向:动物分子系统学方面及湿地生态学方面. E-mail:changq@njnu.edu.cn
更新日期/Last Update: 1900-01-01