St. Paul, Minn. – Biology and Environmental Studies Professor Daniel J. Hornbach will speak about “A Tale of Two Rivers: Using Mussels to Explore Water Quality in Two Minnesota Rivers,” when he gives his inaugural lecture as John S. Holl Professor of Biology and Environmental Studies Wednesday, March 2, at 4:45 p.m. in the John B. Davis Lecture Hall, Ruth Stricker Dayton Campus Center.

Hornbach is an aquatic ecologist and has spent a number of years researching freshwater mussel populations in the St. Croix River, a National Wild and Scenic River.

Currently, he’s working on the Minnesota River an area that some environmental groups have labeled one of the most polluted rivers in the nation. 

The Environmental Protection Agency, Fish and Wildlife Service, the National Park Service and the state of Minnesota have funded his work, and over 70 students have been involved in these projects. 

Hornbach has been a member of two Endangered Species Recovery Teams sponsored by the Fish and Wildlife Service.  

Hornbach received his PhD from Miami University, and his MS and BS from the University of Dayton and has been at Macalester since 1984. He teaches courses in aquatic ecology.

Macalester College, founded in 1874, is a national liberal arts college with a full-time enrollment of 2,138 students. Macalester is nationally recognized for its long-standing commitment to academic excellence, internationalism, multiculturalism, and civic engagement. Learn more at


February 29 2016

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