Brominated flame retardants in marine environment focused on aquaculture area: Occurrence, source and bioaccumulation

被引：92

作者：

Gu, Seo-Yeon ^{[1
]}

Ekpeghere, Kalu Ibe ^{[1
]}

Kim, Hee-Young ^{[1
]}

Lee, In-Seok ^{[2
]}

Kim, Da-Hye ^{[1
]}

Choo, Gyojin ^{[1
]}

Oh, Jeong-Eun ^{[1
]}

机构：

[1] Pusan Natl Univ, Dept Civil & Environm Engn, Busan 46241, South Korea

[2] NIFS, Marine Environm Res Div, 216,Gijanghaean Ro, Busan 46083, South Korea

来源：

SCIENCE OF THE TOTAL ENVIRONMENT | 2017年 / 601卷

基金：

新加坡国家研究基金会;

关键词：

BFRs; Bivalve; Sediment; Seawater; Aquaculture farm; Bioaccumulation measurements; POLYBROMINATED DIPHENYL ETHERS; ENANTIOMER-SPECIFIC ACCUMULATION; MUSSELS MYTILUS-EDULIS; FRESH-WATER FISHES; POLYCHLORINATED-BIPHENYLS; SPATIAL-DISTRIBUTION; COASTAL SEDIMENTS; HEXABROMOCYCLODODECANE HBCD; DECABROMODIPHENYL ETHER; VERTICAL PROFILE;

D O I：

10.1016/j.scitotenv.2017.05.209

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Brominated flame retardants (BFRs), including polybrominated diphenyl ethers (PBDEs), tetrabromobisphenol A (TBBPA), and hexabromocyclododecanes (HBCDs), were investigated in bivalve (i.e., oyster (Crassostrea gigas) and mussel (Mytilus coruscus)), sediment, and seawater samples collected from aquaculture areas in South Korea to identify their occurrence, sources, and bioaccumulation. Among the studied chemicals, HBCDs predominated in bivalves and sediment, with concentrations of ND-67.52 ng/g lipid weight and 3.47-168 ng/g dry weight, respectively, while TBBPA was the highest contributor in seawater (ND-2.79 ng/L). Compared with a non-aquaculture area, HBCD and PBDE concentrationswere significantly higher in all matrices in the aquaculture area (Mann-Whitney U test, p < 0.05), suggesting that sourcesmay be located near or associated with the aquaculture areas, such as industrial complexes and expanded polystyrene buoys. Finally, the bioconcentration factor (BCF) and biota-sediment accumulation factor (BSAF) were estimated. Among the studied BFRs, BDE-47 (BCF: 1.70 x 10(6) L/kg; BSAF: 20.92) and alpha-HBCD (BCF: 1.05 x 10(6) L/kg; BSAF: 0.13) showed the highest accumulation potentials in bivalves. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：1182 / 1191

页数：10

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