Nutrient runoff in the agricultural upper regions of the Mississippi River creates a hypoxic “dead zone” in the Gulf of Mexico, which had an average size of over 6,600 sq mi from 2004 to 2008.
Center for Sustainable Systems School of Natural Resources and Environment University of Michigan 3012 Dana Building 440 Church Street Ann Arbor, MI 48109-1041 Phone: (734) 764-1412 css.info@umich.edu
