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Watershed Biogeochemistry

The Viscosity Effect: A Newly Found Connection Between the Riparian Zone and Water Quality

800 450 Stroud Water Research Center

A new Stroud Center study shows that the density of water plays a previously overlooked role in nutrient and carbon cycling in freshwater ecosystems.

Three researchers seated on the ground and one standing collect samples from a rainfall simulator.

After the Harvest, the Rain Must Come

800 450 Stroud Water Research Center

Researchers at Stroud Water Research Center are using a rainfall simulator to assess how farming practices affect water quality in our streams and rivers.

Publication title with image of a mayfly

Spatial variability in streambed microbial community structure across two watersheds

350 210 Stroud Water Research Center

Akinwole, P., J. Kan, L.A. Kaplan, and R.H. Findlay. 2021. Microbiology Spectrum 9(3) e01972-21.

Publication title with image of a mayfly

Partitioning inorganic carbon fluxes from paired O2 – CO2 gas measurements in a neotropical headwater stream, Costa Rica

350 210 Stroud Water Research Center

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.

Research technicians weigh, identify, and record fish and amphibians sampled during a stream survey.

National Park Service Taps Stroud Center Team to Review Water Quality Data

800 450 Stroud Water Research Center

“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.”

Four scientists collect simulated rainfall from soil in a cornfield in White Clay Creek watershed.

Saving Streams With Good Science

800 450 Stroud Water Research Center

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.

2021 entomology summer intern group photo.

Meet Our 2021 Summer Interns

800 450 Stroud Water Research Center

Our summer internship program, now in its 49th year, has ushered through hundreds of interns seeking meaningful learning experiences.

PFAS movement from points of use to farms and water.

Use Of Biosolids as Soil Amendments May Be a Pathway for PFAS Contamination of Soil, Water, and Ultimately, Our Food

800 450 Stroud Water Research Center

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.

Publication title with image of a mayfly

Elucidating stream bacteria utilizing terrestrial dissolved organic matter

350 210 Stroud Water Research Center

Akinwole, P., L. Kaplan, and R. Findlay. 2021. World Journal of Microbiology and Biotechnology 37, article 32.