Dr. Emma J. Rosi

Aquatic Ecologist | PhD, University of Georgia

Expertise
freshwater, invasive species, human impacts

845 677-7600 x232

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Emma Rosi is advancing our understanding of how land use, urbanization, and climate change shape freshwater ecosystems, with projects exploring environmental contaminants such as pharmaceutical and personal care products, aging wastewater infrastructure, environmental implications of agricultural GMOs, and the effects of dams.

Rosi directs the Baltimore Ecosystem Study (BES), a National Science Foundation Long Term Ecological Research site. As part of BES, Rosi is exploring the role that failing wastewater infrastructure plays in polluting streams and creating antibiotic-resistant ‘superbugs’. She is also revealing how prescription and illicit drugs that enter our waterways impact freshwater quality and aquatic life.

In addition to her work on human-driven threats to freshwaters, Rosi co-leads a long-term project, in collaboration with Yale University, investigating how wildebeest and hippos shape the food web in the Kenyan reach of Africa’s Mara River.

Rosi is a leader in the field of freshwater science and has conducted research on the role of  emerging contaminants shaping these systems.  Rosi serves on the  US Environmental Protection Agency’s Science Advisory Board and her research has implications for our understanding of anthropogenic stressors on freshwater ecosystems. 
 
Extreme floods increase CO <sub>2</sub> outgassing from a large Amazonian river
Almeida, Rafael M., F.S. Pacheco, Nathan Barros, Emma J. Rosi, and Fábio Roland. 2017. “Extreme Floods Increase CO <sub>2< sub> Outgassing from a Large Amazonian River”. Limnology and Oceanography 62 (3): 989-99. doi:10.1002/lno.10480.
Forest Age Influences In-stream Ecosystem Processes in Northeastern US
Bechtold, Heather A., Emma J. Rosi, Dana R Warren, and William S. Keeton. 2017. “Forest Age Influences In-Stream Ecosystem Processes in Northeastern US”. Ecosystems 20 (5): 1058-71. doi:10.1007/s10021-016-0093-9.
Moving Towards a New Urban Systems Science
Groffman, Peter M., Mary L. Cadenasso, Jeannine Cavender-Bares, Daniel L. Childers, Nancy B Grimm, Morgan Grove, Sarah E. Hobbie, et al. 2017. “Moving Towards a New Urban Systems Science”. ECOSYSTEMS 20: 38-43. doi:10.1007/s10021-016-0053-4.
The Next Decade of Big Data in Ecosystem Science
LaDeau, Shannon L., Barbara A. Han, Emma J. Rosi, and Kathleen C. Weathers. 2017. “The Next Decade of Big Data in Ecosystem Science”. Ecosystems 20 (2767): 274-83. doi:https://doi.org/10.1007/s10021-016-0075-y.
Occurrence, leaching, and degradation of Cry1Ab protein from transgenic maize detritus in agricultural streams
Griffiths, N.A., J.L. Tank, Todd V. Royer, Emma J. Rosi, Arial Shogren, T.C. Frauendorf, and M.R. Whiles. 2017. “Occurrence, Leaching, and Degradation of Cry1Ab Protein from Transgenic Maize Detritus in Agricultural Streams”. Science of The Total Environment 592: 97-105. doi:10.1016/j.scitotenv.2017.03.065.
Partitioning assimilatory nitrogen uptake in streams: an analysis of stable isotope tracer additions across continents
Tank, Jennifer L., E. Marti, T. Riis, D. von Schiller, Alexander J. Reisinger, Walter K. Dodds, M.R. Whiles, et al. 2017. “Partitioning Assimilatory Nitrogen Uptake in Streams: An Analysis of Stable Isotope Tracer Additions across Continents”. Ecological Monographs 88 (1): 120-38. doi:10.1002/ecm.1280.
Methods for quantifying aquatic macroinvertebrate diets
Rosi-Marshall, Emma J., Holly A. Wellard Kelly, Robert O. Hall, and K. A. Vallis. 2016. “Methods for Quantifying Aquatic Macroinvertebrate Diets”. Freshwater Science 35 (1): 229-36. doi:10.1086/684648.
Nitrogen-cycling process rates across urban ecosystems
Reisinger, Alexander J., Peter M. Groffman, and Emma J. Rosi-Marshall. 2016. “Nitrogen-Cycling Process Rates across Urban Ecosystems”. FEMS Microbiology Ecology 92 (12): fiw198. doi:10.1093/femsec/fiw198.
Occurrence and Potential Biological Effects of Amphetamine on Stream Communities
Lee, Sylvia S., A. Paspalof, D. Snow, Erinn K. Richmond, Emma J. Rosi-Marshall, and John J. Kelly. 2016. “Occurrence and Potential Biological Effects of Amphetamine on Stream Communities”. Environmental Science & Technology 50 (17): 9727-35. doi:10.1021/acs.est.6b03717.
Retesting a prediction of the River Continuum Concept: autochthonous versus allochthonous resources in the diets of invertebrates
Rosi-Marshall, Emma J., K. A. Vallis, Colden V. Baxter, and J. M. Davis. 2016. “Retesting a Prediction of the River Continuum Concept: Autochthonous Versus Allochthonous Resources in the Diets of Invertebrates”. Freshwater Science 35 (2): 534-43. doi:10.1086/686302.