Geographical distribution and risk assessment of persistent organic pollutants in golden threads (Nemipterus virgatus) from the northern South China Sea

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• 作者：Qing Hao ; Yu-Xin Sun ; Xiang-Rong Xu ; Zi-Wei Yao ; You-Shao Wang…
• 关键词：Persistent organic pollutants ; Golden thread ; Geographical distribution ; The northern South China Sea
• 刊名：Ecotoxicology
• 出版年：2015
• 出版时间：October 2015
• 年：2015
• 卷：24
• 期：7-8
• 页码：1593-1600
• 全文大小：672 KB
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  Meng XZ, Zeng EY, Yu
• 作者单位：Qing Hao (1) (5)
  Yu-Xin Sun (1)
  Xiang-Rong Xu (1)
  Zi-Wei Yao (2)
  You-Shao Wang (3)
  Zai-Wang Zhang (1)
  Xiao-Jun Luo (4)
  Bi-Xian Mai (4)
  
  1. Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, 510301, China
  5. Marine Fisheries Research Institute of Zhejiang, Zhejiang, 316021, China
  2. National Marine Environmental Monitoring Center, Dalian, 116023, China
  3. State Key Laboratory of Tropical Oceanography, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, 510301, China
  4. State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, 510640, China
  
• 刊物类别：Earth and Environmental Science
• 刊物主题：Environment
  Environment
  Monitoring, Environmental Analysis and Environmental Ecotoxicology
  Ecology
  Environmental Management
  
• 出版者：Springer Netherlands
• ISSN：1573-3017

文摘

Fish are often used as good bioindicators to monitor the occurrence of persistent organic pollutants (POPs) on different scales in recent years. Forty-five golden threads (Nemipterus virgatus) were collected from six sampling sites in the northern South China Sea (SCS) to investigate the geographical distribution of polybrominated diphenyl ethers (PBDEs), polychlorinated biphenyls (PCBs), dichlorodiphenyltrichloroethane and its metabolites (DDTs). Concentrations of PBDEs, PCBs, and DDTs ranged from 1.3-6.0, 2.3-6.5, 8.3-28 ng/g lipid weight, respectively. The highest PBDEs and DDTs concentrations were found in golden threads from Shantou, owing to the intensive electronic waste recycling activities and rapid development of agriculture. Samples from Haikou had the highest levels of PCBs, probably due to the existence of many shipbuilding yards in the past years. The concentrations of PBDEs and PCBs were found in a decreasing trend from east to west and from north to south, while DDTs concentrations had no obvious trend in the distribution. PCBs were the most prevalent contaminants in Xiamen and Yangjiang, while DDTs were the dominant compounds at the other four sampling sites. Different profiles of POPs at each sampling site may attribute to different pollution sources in the northern SCS. Ratios of (DDD + DDE)/DDTs in golden threads suggested the probability of fresh input of DDT in the northern SCS. The estimated daily intakes of PBDEs, PCBs and DDTs were 0.030-.069, 0.167-.258 and 0.105-.88 ng/kg/day, respectively, which were significantly lower than the acceptable daily intake, suggesting that consumption of golden threads from the northern SCS would not subject the residents in the coastal areas of SCS to significant health risk. Keywords Persistent organic pollutants Golden thread Geographical distribution The northern South China Sea