期刊
MARINE POLLUTION BULLETIN
卷 95, 期 1, 页码 402-406出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2015.03.038
关键词
Megachasma pelagios; Marine pollution; Stable isotopes; (210)Polonium; Organic contaminants; Trace metals
资金
- CAPES
- Alexander von Humboldt Foundation [BEX 0128/14-7]
With less than 60 records being reported worldwide, the megamouth (Megachasma pelagios) is today one of the least known shark species inhabiting our oceans. Therefore, information concerning the biology and ecology of this enigmatic organism is very scarce and limited to feeding behaviour and preferred habitat. The present work reports new data on the concentrations of trace elements, organic mercury, POPs and Po-210 in hepatic and muscular tissues of a specimen found stranded in the southeastern coast of Brazil. Additionally, we provide new evidence based on stable isotope analysis (delta N-15 and delta C-13) confirming the preference for the pelagic habitat and the zooplanlctivorous feeding behaviour of the megamouth. These results are consistent with the low concentrations of organic pollutant compounds and other elements measured in our samples. (C) 2015 Elsevier Ltd. All rights reserved.
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