Organohalogen contaminants in finless porpoises (Neophocaena phocaenoides) from Korean coastal waters: Contamination status, maternal transfer and ecotoxicological implications
- Authors
- Park, Bu-Kyeong; Park, Gyum-Joon; An, Yong-Rock; Choi, Hee-Gu; Kim, Gi Beum; Moon, Hyo-Bang
- Issue Date
- May-2010
- Keywords
- Debromination; Finless porpoises; Marine mammals; Organochlorine compounds; Polybrominated diphenyl ethers
- Citation
- Marine Pollution Bulletin, v.60, no.5, pp.768 - 774
- Indexed
- SCIE
SCOPUS
- Journal Title
- Marine Pollution Bulletin
- Volume
- 60
- Number
- 5
- Start Page
- 768
- End Page
- 774
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/40433
- DOI
- 10.1016/j.marpolbul.2010.03.023
- ISSN
- 0025-326X
- Abstract
- Information on the occurrence of organochlorine compounds (OCs) and polybrominated diphenyl ethers (PBDEs) in marine mammals from Korea is scarce. In this study, OCs and PBDEs were determined in the blubber of 52 finless porpoises (Neophocaena phocaenoides) from Korean coastal waters. The highest contamination was found for DDTs, followed by PCBs, PBDEs, HCHs, CHLs and HCB. Concentrations of OCs in finless porpoises were lower than those reported worldwide, but PBDE contamination was comparable to other studies, due to ongoing use of PBDE products in Korea. Significant gender-specific differences were found for concentrations and accumulation profiles of OCs and PBDEs, due to maternal transfer and lactation of mature females. The BDEs 49 and 66 comprised 4-16% of total PBDEs in finless porpoises, which seems to be associated with debromination of higher BDEs. The DDT levels in Korean finless porpoises have almost reached the levels associated with immunosuppression in marine mammals. © 2010 Elsevier Ltd.
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