USGS - science for a changing world

Upper Midwest Environmental Sciences Center

Wildlife Toxicology

Study site locations: Minnesota -Trace elements in tree swallows

Concentrations of all trace elements were at background concentrations in tree swallows, however, this dataset allowed for a determination of normal variation among years.  There was no effect of a water-level drawdown on trace element concentrations.

Graph
   

Custer, C.M., T. W. Custer, D. Warburton, D. J. Hoffman, J. W. Bickham, and C. W. Matson. 2006. Trace element concentrations and bioindicator responses in tree swallows from northwestern Minnesota.  Environ. Monitor. Assess. 118:247-266.

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey

URL: http://www.umesc.usgs.gov/wildlife_toxicology/study_sites/minnesota/wt_mn_trace_elements_tree_swallows.html
Page Contact Information: Contacting the Upper Midwest Environmental Sciences Center
Page Last Modified: January 14, 2011