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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

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. 2022. Environmental Toxicology and Chemistry, early online access.

Stream nitrogen uptake associated with suspended sediments: a microcosm study

Bacmeister, E., E. Peck, S. Bernasconi, S. Inamdar, J. Kan, and M. Peipoch. 2022. Frontiers in Environmental Science 20.

Deciphering the diversity and distribution of chromophytic phytoplankton in the Bohai Sea and the Yellow Sea via RuBisCO genes (rbcL)

Pujariabe, L., J. Kan, Y. Xin, G. Zhang, M.A. Noman, S. Nilajkar, and J. Sun. 2022. Marine Pollution Bulletin 184, early online access.

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Freshwater Research News

56% of people surveyed stated they care about the Schuylkill River.
Is the Schuylkill River Clean and Safe? Interactive StoryMap Shows Perceptions vs. Reality
The goal of the project is to connect residents and communities with the river and all it has to offer as a scenic and recreational destination.
The Viscosity Effect: A Newly Found Connection Between the Riparian Zone and Water Quality
The Viscosity Effect: A Newly Found Connection Between the Riparian Zone and Water Quality
A new Stroud Center study shows that the density of water plays a previously overlooked role in nutrient and carbon cycling in freshwater ecosystems.
Two scientists paddle on the Brandywine Creek in Pennsylvania during an algae bloom.
New Way to Trace Algae Origins Could ID Sources of Water Pollution
Real-time chlorophyll sensors can be used to determine the origins of algae in rivers and streams. 
A female mayfly with a ball of eggs attached to the underside of her abdomen.
The Magic of Mayflies
Without any mouth parts, fully mature adult mayflies, called spinners, cannot eat, and so most live but a single day.
Algal bloom in Brandywine Creek where it flows under a railroad bridge.
Who’s Polluting Our Water? Scientists’ New Way to Trace Algae Origins Could Tell Us
Not all algae are harmful but too much can be deadly. Why? Because when they die, the blooms feed bacteria that rob the water of oxygen. 
River with riparian forest
Protecting Forests, Clean Water Amid Changing Remote-Work Landscape
To make the case for preserving open space amid the demand for new development, it’s important to measure impact. Now scientists are doing just that.