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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

A new metric for sunlight exposure in rivers, lakes, and oceans

Gardner, J.R., M.W. Doyle, S.H. Ensign, and D.M. Kahler. 2023. Limnology and Oceanography Letters, early online access.

Sediment-nitrogen (N) connectivity: Suspended sediments in streams as N exporters and reactors for denitrification and assimilatory N uptake during storms

Bisesh, J., E. Bacmeister, E. Peck, M. Peipoch, J. Kan, and S. Inamdar. 2023. Frontiers in Water, early online access.

Facilitation strength across environmental and beneficiary trait gradients in stream communities

Tumolo, B.B., L.K. Albertson, M.D. Daniels, W.F. Cross, L.L. Sklar. 2023. Journal of Animal Ecology 92(10): 2005–2015.

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Freshwater Research News

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
Diana Oviedo Vargas, Ph.D., is to serve as a trustee of the Nature Conservancy in Pennsylvania and Delaware, the conservancy recently announced.
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.
A hand holding a chloride test strip near a creek.
Why Volunteers Are Tracking Down Road Salt in Streams
With help from the Stroud Center, community scientists and watershed groups are measuring the impact of salt pollution on fresh water and taking action.
Sylvie Randall examines a tiny catfish in a sample vessel.
The Tiny Things We Cannot See: Sylvie Randall Explores the Threats and Promises of Microbes
“Everyone uses science whether they know it or not,” says Randall. And it’s needed to tackle the world’s greatest challenges.
Aerial image of reforestation efforts along the east branch of White Clay Creek from 1937 to 2015.
How Data Can Help Win the Fight Against Climate Change
Stroud Center scientists are amassing long-term data on streams and rivers that will help build resilience against the impacts of climate change.