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Spatial and Vertical Distribution of Dechlorane Plus in Mangrove Sediments of the Pearl River Estuary, South China
Sun, Yu-Xin; Zhang, Zai-Wang; Xu, Xiang-Rong; Hao, Qin-Wei; Hu, Yong-Xia; Zheng, Xiao-Bo; Luo, Xiao-Jun; Diao, Zeng-Hui; Mai, Bi-Xian; Xu, XR (reprint author), Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Trop Marine Bioresources & Ecol, Guangdong Prov Key Lab Appl Marine Biol, Guangzhou 510301, Guangdong, Peoples R China.
2016
Source PublicationARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY
Volume71Issue:3Pages:359-364
AbstractThirty surface sediments and three sediment cores were collected from mangrove wetlands in the Pearl River Estuary of South China to investigate the spatial and vertical distribution of Dechlorane Plus (DP). DP concentrations in the mangrove surface sediments ranged from 0.0130 to 1.504 ng/g dry weight (dw). DP concentrations in sediments from Shenzhen were significantly greater than those from Guangzhou and Zhuhai. Anti-Cl-11-DP, the dechlorinated product of anti-DP, was also detected in the mangrove sediments with concentrations ranged from not detected to 0.0198 ng/g dw. Significant positive relationship between anti-Cl-11-DP and anti-DP levels was observed in the mangrove sediments, suggesting that photo and/or microbial degradation of anti-DP might occur in the sediments. The f (anti) values in the mangrove sediments were close to those in the technical DP products, suggesting that stereoselective enrichment of anti-DP may not exist in the mangrove sediments. DP concentrations in the mangrove sediment cores generally showed an increasing trend from the bottom to top layers. This is the first study to report the occurrence of DP and its degradation product in the mangrove wetlands.
Department[Sun, Yu-Xin; Zhang, Zai-Wang; Xu, Xiang-Rong; Hao, Qin-Wei; Hu, Yong-Xia; Diao, Zeng-Hui] Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Trop Marine Bioresources & Ecol, Guangdong Prov Key Lab Appl Marine Biol, Guangzhou 510301, Guangdong, Peoples R China; [Zheng, Xiao-Bo] South China Agr Univ, Coll Nat Resources & Environm, Guangzhou 510642, Guangdong, Peoples R China; [Luo, Xiao-Jun; Mai, Bi-Xian] Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Guangdong, Peoples R China; [Hao, Qin-Wei; Hu, Yong-Xia] Univ Chinese Acad Sci, Beijing 100049, Peoples R China ; LMB
Subject AreaEnvironmental Sciences & Ecology ; Toxicology
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/15289
Collection中科院海洋生物资源可持续利用重点实验室
Corresponding AuthorXu, XR (reprint author), Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Trop Marine Bioresources & Ecol, Guangdong Prov Key Lab Appl Marine Biol, Guangzhou 510301, Guangdong, Peoples R China.
Recommended Citation
GB/T 7714
Sun, Yu-Xin,Zhang, Zai-Wang,Xu, Xiang-Rong,et al. Spatial and Vertical Distribution of Dechlorane Plus in Mangrove Sediments of the Pearl River Estuary, South China[J]. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY,2016,71(3):359-364.
APA Sun, Yu-Xin.,Zhang, Zai-Wang.,Xu, Xiang-Rong.,Hao, Qin-Wei.,Hu, Yong-Xia.,...&Xu, XR .(2016).Spatial and Vertical Distribution of Dechlorane Plus in Mangrove Sediments of the Pearl River Estuary, South China.ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY,71(3),359-364.
MLA Sun, Yu-Xin,et al."Spatial and Vertical Distribution of Dechlorane Plus in Mangrove Sediments of the Pearl River Estuary, South China".ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 71.3(2016):359-364.
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