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Freshwater Research

Moving Freshwater Science Forward

Our efforts at Stroud™ Water Research Center require intellectual curiosity, a systematic and rigorous approach to scientific research, and the drive to answer a series of challenging questions about freshwater ecosystems. The answers to these questions may take decades to fully understand, but it is critical that we persist, as they have the power to influence others in ways that positively affect the world’s finite supply of clean fresh water.

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Recent Publications

Assembly and network stability of planktonic microorganisms under the influence of salinity gradient: an Arctic case study from the Lena River estuary to the Laptev Sea

Liu, Q., L. Yan, H. Wang, G. Yang, J. Kan, et.al. 2023. Environmental Microbiology, early online access.

Arsenic and mercury distribution in an aquatic food chain: importance of femtoplankton and picoplankton filtration fractions

Alowaifeer, A.M., S. Clingenpeel, J. Kan, P.E. Bigelow, M. Yoshinaga, B. Bothner, and T.R. McDermott. 2023. Environmental Toxicology and Chemistry 42(1): 225–241.

Saturated, suffocated, and salty: human legacies produce hot spots of nitrogen in riparian zones

Inamdar, S.P., E.K. Peck, M. Peipoch, A.J. Gold, et.al. 2022. Journal of Geophysical Research: Biogeosciences 127 (12): e2022JG007138.

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Freshwater Research News

Employment Opportunity: Watershed and River Science Seasonal Technicians
Employment Opportunity: Watershed and River Science Seasonal Technicians
Seasonal technicians will work on long-term studies of stream restoration, water quality, climate change mitigation, and regenerative agriculture.
Two scientists paddle on the Brandywine Creek in Pennsylvania during an algae bloom.
NSF REU Opportunity in Ecosystem Ecology
This internship is part of a multidisciplinary research project investigating the origin and transport of river algae in the main stem and tributaries of the Delaware River Basin.
Three summer interns measuring stream parameters.
Summer Internship Opportunity: Entomology
We’re seeking current or recently graduated science majors to serve as laboratory assistants in a biological water quality analysis of sites in the Schuylkill and Delaware River basins.
Diana Oviedo-Vargas downloading data from a sensor located in White Clay Creek to a field laptop.
Stroud Center Scientist to Serve as Nature Conservancy Trustee
Oviedo said, “I am a huge fan of TNC and all the amazing work that they do. I am looking forward to helping in any way I can.” 
Closterium algae magnified 20x under a microscope.
A Fresh Look at River Algae in the Delaware River Basin
A novel method to evaluate how algal concentration changes during river floods may be key to more accurately predicting how to keep algae under control. 
A crew of four men work on a newly planted riparian buffer.
Cutting Waste in the Reforestation of Riparian Zones
New research on buffer plantings seeks to reduce plastic waste, maintenance costs, and the mortality of planted trees and shrubs.