Mercury and PCB residues in Massachusetts river otters: Comparisons on a watershed basis
Mercury and polychlorinated biphenyl (PCB) residues in livers of trapper harvested river otters from Massachusetts were evaluated. Two-hundred and ten river otters collected during 1986 and 1987 were composited into 103 samples and analyzed. Comparisons among 20 watersheds were made using 96 samples...
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| Language: | ENG |
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ScholarWorks@UMass Amherst
1989
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| Online Access: | https://scholarworks.umass.edu/dissertations/AAI9011778 |