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Wildlife Toxicology

Study site locations: Minnesota - Effects of water level reductions on contaminant exposure in tree swallows

Concentrations of mercury and other contaminants did not  increase in tree swallow eggs or nestlings in 2002 following the drawdown of the Upper Mississippi River during the previous summer.  Additionally, no physical, physiological, or genetic responses to the drawdown were observed.

Custer, T. W., P.M. Dummer, C. M. Custer, D. Warburton, M. J. Melancon, D. J.  Hoffman, C. W. Matson, and J.W. Bickham.  2007.  Effects of water level management on contaminant exposure to tree swallows nesting on the Upper Mississippi River.  Environmental Monitoring and Assessment 13:335-345.

Page Last Modified: April 3, 2018