Journal
SCIENCE OF THE TOTAL ENVIRONMENT
Volume 553, Issue -, Pages 196-203Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.scitotenv.2016.02.144
Keywords
Short-chain chlorinated paraffins; Bioaccumulation; Marine organisms; The Pearl River Estuary
Categories
Funding
- National Basic Research Program of China [2015CB453102]
- Ministry of Environmental Protection of China [201309030-02]
- National Nature Science Foundation of China [41273118, 41473102, 41230639]
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There is limited information available on the bioaccumulation of short -chain chlorinated paraffins (SCCPs), a complicated group of persistent organic pollutants (POPs) candidates listed in the Stockholm Convention, in estuarine ecosystem. This study analyzed SCCPs in marine organisms (five fish and six invertebrates) from the Pearl River Estuary in South China. The concentrations of total SCCPs ranged from 210 to 21,000 ng.g(-1) lipid weight, with relatively higher levels in benthic invertebrates (shrimp, crabs and bivalves) than in non-benthic species (pelagic and mesopelagic fish and squid). SCCPs were biomagnified from prey fish (tapertail anchovy, Coilia mystus) to predator fish (Bombay duck, Harpadon nelzereus), and the biomagnification factors (BNIFs) of SCCP congeners ranged from 1.1 (C10H16C16) to 3.4 (C10H16C10). Species-specific homologue group patterns were also observed, with significantly lower proportions of Cm congeners in the shrimp, bivalves and Bombay duck than in the other species. (C) 2016 Published by Elsevier B.V.
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