Meta pixel
Posts Tagged :

Oviedo Vargas

Watershed-Scale Evaluation of Restoration Practices on Water Quality Improvement

 800 532 Stroud Water Research Center

To evaluate how watershed restoration practices improve stream health and water quality, scientists are monitoring nutrient and sediment loads and macroinvertebrates before, during, and after restoration. (Project details may change…

Publication title with image of a mayfly

Surface water quality impacts from organic versus conventional agricultural systems

 350 210 Stroud Water Research Center

Bier, R., M. Daniels, D. Oviedo-Vargas, M. Peipoch, E. Kelsick, and J. Kan. 2026. Journal of Environmental Quality 55(4): e70208.

Costa Rica Study Abroad

 800 532 Stroud Water Research Center

Students from Virginia Wesleyan University in Virginia Beach joined Stroud Water Research Center for one week in the Área de Conservación Guanacaste region of Costa Rica for an immersive study-away…

Watershed Awareness Using Technology and Environmental Research for Sustainability (WATERS)

 800 532 Stroud Water Research Center

For this project, educators develop and pilot a new national curriculum and extensive learning resources using principles of universal design for learning in California, Pennsylvania, and Virginia, with special attention…

Focus on Lancaster County

 800 532 Stroud Water Research Center

In Lancaster County, Pennsylvania, watershed restoration projects spearheaded by the Stroud Center address water quality issues on about 1,400 acres of farmland in the Chesapeake Bay region each year. The…

Evaluating How Conventional, Conservation, and Organic Farming Management Practices Enhance Soil Health and Improve Water Quality

 800 532 Stroud Water Research Center

This project investigates how different agricultural management practices influence water quality and soil health. Using Rodale Institute’s 37-year-old Farming Systems Trial and a recent transition to organic farming at the…

Diana Oviedo Vargas, Ph.D., collects biosolid samples to test for PFAS.

Evaluating the Risk for PFAS Contamination of Surface and Groundwater Through Application of Biosolids in Agroecosystems

 800 450 Stroud Water Research Center

Scientists are investigating whether biosolid application on Pennsylvania farms represents a significant source of PFAS in soils and water. Per- and polyfluoroalkyl substances, commonly called PFAS, are a group of…

Diana Oviedo Vargas, Ph.D., collects biosolid samples to test for PFAS.

The Next Frontiers of Freshwater Science

 800 450 Stroud Water Research Center

From PFAS to road salt, science helps us discover the emerging pollutants lurking in our water and find solutions.

Euthyplocia mayfly from a Costa Rican stream.

The Most Important Animals May Be the Ones You Never Notice

 800 450 Stroud Water Research Center

Researchers are following the path of nitrogen in a tropical stream to uncover relationships that support the entire ecosystem.

Clean Water Conversations with Diana Oviedo Vargas and Melinda Daniels

What Motivates Scientists to Dedicate Their Careers to Clean Water?

 960 540 Stroud Water Research Center

In this episode of “Clean Water Conversations,” Stroud Center scientists Diana Oviedo Vargas and Melinda Daniels share what drives their work.