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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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.
The Stroud Center biogeochemist was featured in a women-in-STEM webinar series hosted by EarthEcho International.
Li, A., J.D. Drummond, J.C. Bowen, R.M. Cory, L.A. Kaplan, and A.I. Packman. 2020. Water Resources Research 57(2): e2020WR027918.
Stream restorations rarely get monitored rigorously enough to determine if the “patient” has fully recovered.
We're studying how White Clay Creek can recover from deforestation and agricultural expansion and to what extent restoration practices can acclerate that recovery.