期刊
MARINE POLLUTION BULLETIN
卷 58, 期 3, 页码 396-401出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2008.10.008
关键词
Polybrominated diphenyl ethers (PBDEs); Hexabromocyclododecane (HBCDs); Striped dolphin; Temporal trend; Archived sample
资金
- Japanese Ministry of Education, Science, Sports, Culture and Technology and Japan Society for the Promotion of Science [S: 20221003, B: 18310046, B: 19780239]
- JSPS Postdoctoral Fellowship [P07153]
Organohalogen contaminants including PCBs, DDTs, CHLs, HCHs, HCB, PBDEs and HBCDs were determined in striped dolphins (Stenella coeruleoalba) found stranded at Gogo-shima (n = 6, 2003) and collected from Taiji (n = 15, 1978-1992) in Japan. All target compounds were significantly detected in all the specimens, indicating ubiquitous contamination of oceanic cetaceans in northwest Pacific Ocean. Examination of body distribution of organohalogens in the six specimens from Gogo-shima showed no significant difference in concentrations among the analyzed tissues, except for brain, which had lower levels possibly due to the existence of blood-brain barrier. For evaluating temporal trends, archived blubber samples of adult male stripped dolphins collected in 1978,1979,1986 and 1992 were analyzed. Concentrations of PCBs, DDTs and HCHs did not change significantly during 1978-2003. In contrast, remarkable increasing trends of PBDEs and HBCDs were observed, suggesting growing consumption in Japan and surrounding countries in recent years. (C) 2008 Elsevier Ltd. All rights reserved.
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