Abstract：
:Elasmobranchs can bioaccumulate considerable amounts of persistent organic pollutants (POPs) and utilize several reproductive strategies thereby influencing maternal transfer of contaminants. This study provides preliminary data on the POP transfer from pregnant females to offspring of three species (Atlantic stingrays, bonnethead, blacktip sharks) with different reproduction modes (aplacental, placental viviparity). Polychlorinated biphenyl (PCB) levels were generally higher than any other POPs. Stingrays and blacktip shark embryos contained the lowest POP concentrations while bonnetheads and the blacktip adult female had the highest concentrations. Results suggest that POPs are more readily transferred from the mother to the embryo compared to what is transferred to ova in stingrays. Statistically significant differences in levels of selected POPs were found between embryos from the left and right uterus within the same litter as well as between female and male embryos within the same litter for bonnetheads, but not for the blacktip sharks.
journal_name
Mar Pollut Bulljournal_title
Marine pollution bulletinauthors
Weijs L,Briels N,Adams DH,Lepoint G,Das K,Blust R,Covaci Adoi
10.1016/j.marpolbul.2014.12.056subject
Has Abstractpub_date
2015-03-15 00:00:00pages
59-68issue
1-2eissn
0025-326Xissn
1879-3363pii
S0025-326X(15)00016-8journal_volume
92pub_type
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journal_title：Marine pollution bulletin
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journal_title：Marine pollution bulletin
pub_type： 杂志文章
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journal_title：Marine pollution bulletin
pub_type： 杂志文章
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journal_title：Marine pollution bulletin
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