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Salmon swimming up stream

New Study Shows Pacific Salmon Transfer Contaminants to Resident Fish

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Dominic Chaloner, a research associate professor at the University of Notre Dame, led a team of scientists to assess the extent to which Pacific salmon migrating from the Great Lakes into tributaries during their spawning runs increase contaminant levels in local fish populations. The team focused on mercury and persistent organic pollutants (POPs) such as polychlorinated biphenyls (PCBs), given their prevalence in the Great Lakes Basin.

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