Mark B. Sandheinrich, Professor of Biology

Director of the River Studies Center

Telephone: (608)-785-8261       E-Mail:

Ph.D. 1988, Iowa State University

Courses taught:

BIO 105 General Biology
BIO 422/522 Ichthyology
BIO 423/523 Fisheries Management
BIO 448/548 Aquatic Toxicology
BIO 701 Communication in the Biological Sciences
BIO 312/313 Human Anatomy and Physiology Laboratories

Research Interests:   

Dr. Sandheinrich and his students have a broad range of research interests in fish and aquatic invertebrate ecology and aquatic toxicology.  Current research focuses on the bioaccumulation and effects of mercury on reproduction, behavior, and survival of fish; effects of zebra mussels on aquatic communities; biology of salmonids in regional streams.

Selected Publications:

Frazier, B. E., T. J. Naimo and M. B. Sandheinrich. 1996. Temporal and vertical distribution of total ammonia nitrogen and un-ionized ammonia nitrogen in sediment pore water from the upper Mississippi River. Environmental Toxicology and Chemistry 15:92-99. 

Atchison, G. J., M. B. Sandheinrich and M. D. Bryan. 1996. Effects of environmental stressors on interspecific interactions of aquatic animals. In Newman, M. C., and C. H. Jagoe (eds.), Ecotoxicology: A Hierarchical Treatment. Lewis Publishers, CRC Press. Boca Raton, FL.

 Bryan, M. D., G. J. Atchison and M. B. Sandheinrich. 1995. Effects of cadmium on the foraging behavior and growth of juvenile bluegill Lepomis macrochirus. Canadian Journal of Fisheries and Aquatic Sciences 52:1630-1638. 

Brewer, S. K., T. O. Claflin and M. B. Sandheinrich. 1995. Comparison of summer zoobenthic communities in four habitats of a floodplain impoundment: 1975 and 1990. Regulated Rivers: Research & Management 11:139-145. 

Knights, B. C., B. L. Johnson and M. B. Sandheinrich. 1995. Responses of bluegills and black crappies to dissolved oxygen, temperature, and current in backwater lakes of the upper Mississippi River during winter. North American Journal of Fisheries Management 15:390-399.

Sandheinrich, M. B. and G. J. Atchison. 1990. Sublethal toxicant effects on fish foraging behavior:. Empirical vs. mechanistic approaches. Environmental Toxicology and Chemistry 9:107-119. 

Sandheinrich, M. B., and G. J. Atchsison. 1989. Sublethal copper effects on bluegill Lepomis macrochirus foraging behavior. Canadian Journal of Fisheries and Aquatic Sciences 46:1977-1985.

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