Comprehensive large-scale investigation and assessment of trace metal in the coastal sediments of Bohai Sea
Li, Hongjun; Gao, Xuelu; Gu, Yanbin; Wang, Ruirui; Xie, Pengfei; Liang, Miao; Ming, Hongxia; Su, Jie
Source PublicationMARINE POLLUTION BULLETIN
ISSN0025-326X
2018-04
Volume129Issue:1Pages:126-134
KeywordBohai Sea Heavy metal Sediment Environment assessment
MOST Discipline CatalogueEnvironmental Sciences & Ecology ; Marine & Freshwater Biology
DOI10.1016/j.marpolbul.2018.02.022
Contribution Rank[Li, Hongjun; Gu, Yanbin; Wang, Ruirui; Xie, Pengfei; Liang, Miao; Ming, Hongxia; Su, Jie] Natl Marine Environm Monitoring Ctr, Key Lab Ecol Environm Coastal Areas SOA, Dalian 116023, Peoples R China; [Gao, Xuelu] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Peoples R China
Department海岸带信息集成与综合管理实验室
AbstractThe Bohai Sea is characterized as a semi-closed sea with limited water exchange ability, which has been regarded as one of the most contaminated regions in China and has attracted public attention over the past decades. In recent years, the rapid industrialization and urbanization around the coastal region has resulted in a severe pollution pressure in the Bohai Sea. Although efforts from official government and scientific experts have been made to protect and restore the marine ecosystem, satisfactory achievements were not gained. Moreover, partial coastal areas in the Bohai Sea seemingly remain heavily polluted. In this study, we focused on five coastal regions around the Bohai Sea to study the spatial distribution pattern of trace elements in the sediments and their ecological risk. A total of 108 sediment samples were analyzed to determine the contamination degree of trace elements (Cu, Cd, As, Pb, Zn, Cr, and Hg). Contamination factor (CF), pollution load index (PLI), geoaccumulation index (I-geo), and potential ecological risk index (PERI) were utilized to assess the pollution extent of these metals. Spatial distribution patterns revealed that the sedimentary environments of coastal Bohai were in good condition, except Jinzhou Bay, according to the Marine Sediment Quality of China. The concentrations of Hg and Cd were considerably higher than the average upper crust value and presented high potential ecological risk and considerable potential ecological risk, respectively. The overall environment quality of the coastal Bohai Sea does not seem to pose an extremely serious threat in terms of metal pollution. Thus, the government should continue implementing pollution control programs in the Bohai Sea.
SubtypeArticle
Indexed BySCI
Language英语
WOS KeywordHEAVY-METALS ; SURFACE SEDIMENTS ; SPATIAL-DISTRIBUTION ; RISK-ASSESSMENT ; CONTAMINATION ASSESSMENT ; SOURCE IDENTIFICATION ; SHUANGTAIZI ESTUARY ; QUALITY GUIDELINES ; MARINE-SEDIMENTS ; POLLUTION STATUS
WOS Research AreaEnvironmental Sciences ; Marine & Freshwater Biology
WOS IDWOS:000433401600016
Funding OrganizationNational Natural Science Foundation of China [31572595]
Citation statistics
Cited Times:22[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.yic.ac.cn/handle/133337/24486
Collection中科院海岸带环境过程与生态修复重点实验室_海岸带信息集成与战略规划研究中心
Affiliation1.Natl Marine Environm Monitoring Ctr, Key Lab Ecol Environm Coastal Areas SOA, Dalian 116023, Peoples R China;
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Peoples R China
Recommended Citation
GB/T 7714
Li, Hongjun,Gao, Xuelu,Gu, Yanbin,et al. Comprehensive large-scale investigation and assessment of trace metal in the coastal sediments of Bohai Sea[J]. MARINE POLLUTION BULLETIN,2018,129(1):126-134.
APA Li, Hongjun.,Gao, Xuelu.,Gu, Yanbin.,Wang, Ruirui.,Xie, Pengfei.,...&Su, Jie.(2018).Comprehensive large-scale investigation and assessment of trace metal in the coastal sediments of Bohai Sea.MARINE POLLUTION BULLETIN,129(1),126-134.
MLA Li, Hongjun,et al."Comprehensive large-scale investigation and assessment of trace metal in the coastal sediments of Bohai Sea".MARINE POLLUTION BULLETIN 129.1(2018):126-134.
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