The main focus of the Watershed Biogeochemistry Group is to investigate major elemental cycles in streams and their watersheds, particularly carbon, nitrogen, and phosphorus pools and fluxes. We are especially interested in quantifying and characterizing the rich array of organic molecules that exist in stream ecosystems, and serve as the main food source to microorganisms and consequently to all biological communities. Throughout the watershed, water is found in many places beyond stream channels, including aquifers, soils, and sediments. Our biogeochemistry laboratory has the capabilities to perform a wide range of chemistry analyses in water samples from all these places.
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Marzolf, N.S, G.E. Small, D. Oviedo-Vargas, C.N. Ganong, J.H. Duff, A. Ramírez, C.M. Pringle, D.P. Genereux, and M. Ardón. 2021. Biogeochemistry, early online access.
“We are really leaning on Stroud to provide the aquatic ecology piece, to help us put data into context and advance our understanding of watershed health.”
Building trust in the scientific process starts with communicating our research to non-scientists. To that end, our scientists share snapshots of three long-term experiments.
Our summer internship program, now in its 49th year, has ushered through hundreds of interns seeking meaningful learning experiences.
To help understand the extent of this problem in Pennsylvania, scientists are looking at the occurrence and migration of biosolid-derived PFASs into soil and water on agricultural fields.
Akinwole, P., L. Kaplan, and R. Findlay. 2021. World Journal of Microbiology and Biotechnology 37, article 32.