Loyola University Chicago

Department of Biology

Nancy C. Tuchman

Nancy C. Tuchman



Founding Dean of the Institute of
Environmental Sustainability

Ph.D., 1988, University of Louisville
Aquatic Ecology
Phone: 773.508.2475
E-Mail: ntuchma@luc.edu



Human impacts to aquatic ecosystems are widespread and varied; from direct (e.g. point-source pollution, hydrologic disturbance) to indirect impacts (e.g. increased atmospheric CO2 concentrations). Throughout my career, I have explored a range of human impacts to aquatic ecosystem structure and function, spanning from investigating the impact of introduced exotic zebra mussels (Dreissena polymorpha) on Great Lakes ecosystems, the effects of elevated CO2-altered leaf litter on stream ecosystem food-webs, to the effects of emerging contaminants such as plasticizers (Bisphenol-A), and pharmaceuticals (e.g. antibiotics and endocrine disruptors) on streams and lakes. Presently, my lab is focused on exploring ecological impacts of invasive plant species on Great Lakes coastal wetland ecosystems.

Great Lakes coastal wetlands are experiencing widespread increases in the spread and dominance of the aggressive invasive plants Typha x glauca (hybrid cattail) and Phragmites australis (common reed), resulting in reduced species diversity and altered ecological functioning. Since 2002, we have explored the community and ecosystem impacts of Typha on Great Lakes coastal wetland ecosystems, mechanisms of Typha dominance at community and regional scales, and the long-term impacts of Typha on nitrogen cycling and ecosystem functioning. Since 2010, we have begun exploring and developing environmentally and economically sustainable restoration options for controlling Typha. Specifically, we are examining the effects of experimental Typha removal as an alternative to burning or herbiciding, on plant and invertebrate communities and wetland biogeochemistry; the potential to utilize harvested invasive species biomass for renewable energy production; and the economics of ecological restoration linked with renewable energy production.


Tuchman, N.C. and M.J. Schuck. 2014. “A Preferential Option for the Earth.” In: Humanity at The Threshold: Religious Perspectives on Transhumanism. Eds. J. C. Haughey and I. Delio. The Council for Research in Values and Philosophy. Washington, D.C. 113-126.

Lishawa, S.C., K.J. Jankowski-Giefer, P. Geddes, D.J. Larkin, A.M. Monks, and N.C. Tuchman. 2014. Denitrification in a Laurentian Great Lakes coastal wetland invaded by hybrid cattail (Typha × glauca). Aquatic Sciences. DOI: 10.1007/s00027-014-0348-5.

Varty A.K., S.C. Lishawa, N.C. Tuchman. In press. Sustainability education through an interdisciplinary and service-learning approach. Social Responsibility and Sustainability: Multidisciplinary Perspectives Through Service Learning. Eds. T. McDonald and G. Eisman. Stylus Publishing. New York, NY.PDF Available by Email Request

Mitchell M.E., S.C. Lishawa, P. Geddes, D.J. Larkin, D.J. Treering, N.C. Tuchman. 2011. Time-dependent impacts of cattail invasion in a Great Lakes coastal wetland complex. Wetlands. DOI 10.1007/s13157-011-0225-0 PDF Available by Email Request

Larkin D.J., M.J. Freyman, S.C. Lishawa, P. Geddes, N.C. Tuchman. 2011. Mechanisms of dominance by the invasive hybrid cattail Typha X glauca. Biological Invasions. DOI: 10.1007/s10530-011-0059-y PDF Available by Email Request

Lishawa S.C., D.A. Albert, N.C. Tuchman. 2010. Water level decline promotes Typha X glauca establishment and vegetation change in Great Lakes coastal wetlands. Wetlands. 30 (6): 1085-1096.PDF Available by Email Request

Lishawa S.C., A.T. Schubel, N.C. Tuchman, A.K Varty. 2010. Sustainability education as a catalyst for university and community partnerships. Metropolitan Universities. 21 (1): 58-72.PDF Available by Email Request

Kelly J.J., A. Bansal, J. Winkelman, L.R. Janus, S. Hell, M. Wencel, P. Belt, K.A. Kuehn, S.T. Rier, N.C. Tuchman. 2010. Alteration of microbial communities colonizing leaf litter in a temperate woodland stream by growth of trees under conditions of elevated atmospheric CO2. Applied and Environmental Microbiology. 76 (15): 4950-4959.PDF Available by Email Request

Tuchman, N.C., D.J. Larkin, P. Geddes, R. Wildova, K.J. Jankowski, and D.E. Goldberg. 2009. Patterns of environmental change associated with Typha x glauca invasion in a Great Lakes coastal wetland. Wetlands. 29(3):964-975.PDF Available by Email Request

Kominoski, J.S., P.A. Moore, R.G. Wetzel and N.C. Tuchman 2007. Elevated CO2 alters leaf-litter-derived dissolved organic carbon: Effects on stream periphyton and crayfish feeding preference. J. N. Am. Benthol. Soc. 26(4):662-671. Full Text PDF

Angeloni, N.L., K.J. Jankowski, N.C. Tuchman, and J.J. Kelly. 2006. Effects of an invasive cattail species (Typha x glauca) on sediment nitrogen and microbial community composition in a freshwater wetland. FEMS Microbiol. Lett. 263:86-92. Full Text PDF

Tuchman, N.C., M.A. Schollett, S.T. Rier, and P. Geddes. 2006. Differential heterotrophic utilization of organic compounds by diatoms and bacteria under light and dark conditions. Hydrobiologia. 561:167-177. Full Text PDF

Janus, L.R., N.L. Angeloni, J. McCormack, S.T. Rier, N.C. Tuchman, and J.J. Kelly. 2005. Elevated atmospheric CO2 alters soil microbial communities associated with trembling aspen (Populus tremuloides) roots. Microb. Ecol. 50: 102-109.

Frost, P.C., and N.C. Tuchman. 2005. Nutrient release rates and ratios by two stream detritivores fed leaf litter grown under elevated atmospheric CO2. Arch. Hydrobiol. 163(4): 463-477. Full Text PDF

Wetzel, R.G. and N.C. Tuchman. 2005. Effects of atmospheric CO2 enrichment and sunlight on degradation of plant particulate and dissolved organic matter and microbial utilization. Archiv fur Hydrobiol. 162(3):287-308.

Adams, J.A., N.C. Tuchman, and P.A. Moore. 2005. Effects of CO2-altered detritus on growth and chemically-mediated decisions in crayfish (Procambarus clarkii). J.N. Am. Benthol. Soc. 24(2):330-345.

Rier, S.T., N.C. Tuchman, and R.G. Wetzel. 2005. Chemical changes to leaf litter from trees grown under elevated CO2 and the implications for microbial utilization in a stream ecosystem. Can. J. Fish. Aquatic. Sci. 62: 185-194. Full Text PDF

Nancy C. Tuchman, Romi L. Burks, Christopher A. Call, John Smarrelli. 2004. Flow rate and vertical position influence ingestion rates of colonial zebra mussels (Dreissena polymorpha). Freshwater Biology 49(2): 191-198. Full Text PDF

Adams, J.A., N.C. Tuchman, and P.A. Moore. 2003. Atmospheric CO2 enrichment alters the chemical quality of leaf detritus: Impacts on foraging decisions of crayfish (Orconectes virilis). J. N. Am. Benthol. Soc. 22(3):410-422.

Tuchman, N.C., K.A. Wahtera, R.G. Wetzel, and J.A. Teeri. 2003. Elevated atmospheric CO2 alters leaf litter nutritional quality for stream ecosystems: An in situ leaf decomposition study. Hydrobiologia. 495(1-3):203-211.

Tuchman, N.C., S.T. Rier, K.A. Wahtera, R.G. Wetzel, N.M. Russo, G.M. Kilbane, L.M. Sasso, and J.A. Teeri. 2003. Nutritional quality of leaf detritus altered by elevated atmospheric CO2: Effects on development of mosquito larvae. Freshwat. Biol 48:1432-1439.

Tuchman, N.C., R.G. Wetzel, S.T. Rier, K.A. Wahtera, and J.A. Teeri. 2002. Elevated atmospheric CO2 lowers leaf litter nutritional quality for stream ecosystem food webs. Global Change Biol., 8(2):145-153.

Rier, S.T., N.C. Tuchman, R.G. Wetzel, and J.A. Teeri. 2002. Elevated CO2 induced changes in the chemistry of quaking aspen (Populus tremuloides) leaf litter: Subsequent decomposition and microbial response in a stream ecosystem. J. N. Am. Benthol. Soc. 21(1):16-27.

Burks, R.L., N.C. Tuchman, C.A. Call, J.E. Marsden. 2002. Colonial Aggregates: Effects of spatial position on zebra mussel responses to vertical gradients in interstitial water quality. J.N. Am. Benthol. Soc. 21(1):64-75.