Polychlorinated biphenyls (PCBs) in sediments/soils of different wetlands along 100-year coastal reclamation chronosequence in the Pearl River Estuary, China

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Polychlorinated biphenyls (PCBs) in sediments/soils of different wetlands along 100-year coastal reclamation chronosequence in the Pearl River Estuary, China

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作者：Qingqing Zhao ; Junhong Bai ; ^{junhongbai@163.com" class="auth_mail" title="E-mail the corresponding author} ; Qiongqiong Lu ; Zhaoqin Gao ; Jia Jia ; Baoshan Cui ; Xinhui Liu
关键词：PCB congeners ; Wetland sediments/soils ; Dioxin-like PCBs ; Total toxic equivalent ; Reclamation chronosequence
刊名：Environmental Pollution
出版年：2016
出版时间：June 2016
年：2016
卷：213
期：Complete
页码：860-869
全文大小：1739 K

文摘

•: All detected PCB congeners and total PCBs decreased along sediment/soil profiles.
•: Old wetlands tended to have higher PCB concentrations than younger wetlands.
•: The dominant PCB congeners at all sampling sites were light PCB homologues.
•: TEQ concentrations of 10 detected DL-PCBs were mainly affected by PCB126.
•: Higher toxicity risks were found in riparian wetlands sediments.

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