Use of stable isotope ratios to distinguish sources of lead exposure in wild birds

@article{Scheuhammer1998UseOS,
  title={Use of stable isotope ratios to distinguish sources of lead exposure in wild birds},
  author={Anton M. Scheuhammer and Douglas M Templeton},
  journal={Ecotoxicology},
  year={1998},
  volume={7},
  pages={37-42}
}
We used stable lead (Pb) isotope ratios to attempt to discriminate between several potential sources of elevated environmental Pb exposure in several wild bird species. For juvenile herring gulls (Larus argentatus) from the Canadian Great Lakes, the mean 206Pb:207Pb ratio in bone (1.137 +/- 0.007) was within the range characterizing Pb from gasoline combustion in Canada (1.13--1.16). By contrast, very few Canadian waterfowl, loons or eagles that had experienced elevated Pb exposure had 206Pb… CONTINUE READING

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