Spatial and temporal change of tetrabromobisphenol A and hexabromocyclododecane in mangrove sediments from the Pearl River Estuary, South China

被引：10

作者：

Yang, Weiyan ^{[1
]}

Long, Chuyue ^{[2
,3
,4
]}

Xie, Chenmin ^{[2
,3
,4
]}

Lu, Jiaxun ^{[2
,3
,4
]}

Wang, Xiaodong ^{[1
]}

Zhang, Canchuan ^{[4
]}

Zhang, Li ^{[4
]}

Chen, Shejun ^{[2
,3
]}

Sun, Yuxin ^{[2
,3
]}

机构：

[1] Jinan Univ, Res Ctr Harmful Algae & Marine Biol, Guangzhou 510632, Peoples R China

[2] South China Normal Univ, Sch Environm, Guangdong Prov Key Lab Chem Pollut & Environm Safe, Guangzhou 510006, Peoples R China

[3] South China Normal Univ, Sch Environm, MOE Key Lab Environm Theoret Chem, Guangzhou 510006, Peoples R China

[4] Chinese Acad Sci, South China Sea Inst Oceanol, Guangzhou 510301, Peoples R China

来源：

MARINE POLLUTION BULLETIN | 2023年 / 194卷

关键词：

Tetrabromobisphenol A; Hexabromocyclododecane; Spatial distribution; Temporal trend; Mangrove sediment; The Pearl River Estuary; BROMINATED FLAME RETARDANTS; POLYBROMINATED DIPHENYL ETHERS; ORGANIC CONTAMINANTS; E-WASTE; HBCD; DIASTEREOISOMER; TBBPA; ECOSYSTEMS; PROFILES; FATE;

D O I：

10.1016/j.marpolbul.2023.115399

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Spatial and temporal trends of tetrabromobisphenol (TBBPA) and hexabromocyclododecane (HBCD) in mangrove sediments from the Pearl River Estuary (PRE) in South China were evaluated. Concentrations of TBBPA and HBCD in mangrove sediments ranged from 0.23 to 13.3 and 0.36 to 54.7 ng g � 1 dry weight. The highest TBBPA concentration was seen in Guangzhou mangrove wetland near a dockyard and a ferry terminal where TBBPA is utilized in the coatings for the shipbuilding industry. The rapid development of building might elucidate the higher concentrations of HBCD in Shenzhen mangrove sediments. & gamma;-HBCD and & alpha;-HBCD was the two main diastereoisomer of HBCD in mangrove sediments with contributions of 56.1 % and 34.0 %. Sediments from the three PRE mangrove ecosystems were selectively enriched for (- )-& gamma;-HBCD. TBBPA concentrations in mangrove sediments from Guangzhou rose during 2012-2015 and declined from 2015 to 2021. HBCD concentrations in the PRE mangrove sediments exhibited an increasing trend from 2012 to 2021.

引用

页数：6

共 38 条

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