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Halogenated organic pollutants in sediments and organisms from mangrove wetlands of the Jiulong River Estuary, South China
Zhang, Zaiwang2; Pei, Nancai1; Sun, Yuxin2; Li, Jialiang; Li, Xueping; Yu, Shen3; Xu, Xiangrong2; Hu, Yongxia2; Mai, Bixian4
2019
Source PublicationENVIRONMENTAL RESEARCH
ISSN0013-9351
Volume171Pages:145
AbstractEighteen sediments and four biota species were collected from mangrove wetlands of the Jiulong River Estuary (JRE) in South China to investigate the distribution of dichlorodiphenyltrichloroethane (DDT), polychlorinated biphenyls (PCBs), polybrominated diphenyl ethers (PBDEs), decabromodiphenyl ethane (DBDPE), dechlorane plus (DP) and 1,2-bis(2,4,6-tribromophenoxy)ethane (BTBPE). Concentrations of Sigma DDTs, Sigma PCBs, Sigma PBDEs, DBDPE, DP, and BTBPE in mangrove sediments ranged from 21 to 84, 0.52-2.5, 9.0-66, 5.1-32, 0.05-0.14, and 0.03-0.25 ng/g dry weight, respectively. Levels of Sigma DDTs, Sigma PCBs, Sigma PBDEs, DBDPE and DP in mangrove biota ranged from 950 to 30000, 56-400, 8.0-35, nd-20 and 0.44-3.1 ng/g lipid weight, respectively. DDTs were the predominant halogenated organic pollutants (HOPs) in mangrove sediments from the JRE, while PBDEs were the major HOPs in mangrove sediments from the Pearl River Estuary (PRE), suggesting that sediments in JRE and PRE had different sources of HOPs. The dominance of DDTs was found in both mangrove sediments and biota from the JRE, indicating that HOPs in JRE environment mainly come from agricultural sources. The biota-sediment accumulation factors for DDTs and PCBs were significantly higher than those of PBDEs, DBDPE and DP, suggesting high bioavailability of DDTs and PCBs in mangrove biota. Trophic magnification factors for DDTs, PCBs, PBDEs, and DP were 10.5, 3.00, 2.66 and 1.23, respectively, indicating their potential of biomagnification in mangrove food webs.
DepartmentLMB
KeywordHalogenated organic pollutants Bioaccumulation Biomagnification Mangrove wetland Jiulong River Esturay
DOI10.1016/j.envres.2019.01.028
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/17875
Collection中科院海洋生物资源可持续利用重点实验室
Affiliation1.Binzhou Univ, Coll Biol & Environm Engn, Binzhou 256600, Peoples R China
2.Chinese Acad Forestry, Res Inst Trop Forestry, Guangzhou 510520, Guangdong, Peoples R China
3.Chinese Acad Sci, CAS Key Lab Trop Marine Bioresources & Ecol, Guangdong Prov Key Lab Appl Marine Biol, South China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China
4.Chinese Acad Sci, CAS Key Lab Urban Environm & Hlth, Inst Urban Environm, Xiamen 361021, Peoples R China
5.Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Zaiwang,Pei, Nancai,Sun, Yuxin,et al. Halogenated organic pollutants in sediments and organisms from mangrove wetlands of the Jiulong River Estuary, South China[J]. ENVIRONMENTAL RESEARCH,2019,171:145, 152.
APA Zhang, Zaiwang.,Pei, Nancai.,Sun, Yuxin.,Li, Jialiang.,Li, Xueping.,...&Mai, Bixian.(2019).Halogenated organic pollutants in sediments and organisms from mangrove wetlands of the Jiulong River Estuary, South China.ENVIRONMENTAL RESEARCH,171,145.
MLA Zhang, Zaiwang,et al."Halogenated organic pollutants in sediments and organisms from mangrove wetlands of the Jiulong River Estuary, South China".ENVIRONMENTAL RESEARCH 171(2019):145.
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