期刊
MARINE POLLUTION BULLETIN
卷 62, 期 6, 页码 1320-1323出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2011.04.004
关键词
Mercury; Maternal transference; Pacific East; Oaxaca; Mexico; Lepidochelys olivacea
Mercury concentrations were assessed in the sea turtle Lepidochelys olivacea from a nesting colony of Oaxaca, Mexico; 25 female turtles were sampled, a total of 250 eggs were collected during the season 2005-2006. Higher concentrations were found in yolk fraction, while in blood and albumen mean levels were below of 0.0010 mu g g(-1) dry wt. On the basis of one nesting season, the maternal transfer of Hg via eggs-laying was estimated in 2.0 +/- 1.1%. According to international norms, the health of this population and its habitats is acceptable for Hg and corresponds to baseline levels of a nearly pristine environment. (C) 2011 Elsevier Ltd. All rights reserved.
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