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Stroud Center staff in Belize
Building Freshwater Stewardship in Costa Rica and Belize
UpStream 2026, Issue #7
Stroud Center helps communities establish trusted freshwater data, strengthen local monitoring, and protect vital freshwater resources.
Two scientists collect a streamwater sample in Belize.
Stewardship Supports Biodiversity in Belize, Survey Finds
UpStream 2026, Issue #7
Stroud Center’s comprehensive assessment reveals exceptional biodiversity and establishes a benchmark for freshwater conservation in Belize.
Diana Oviedo Vargas, Ph.D., collects biosolid samples to test for PFAS.
The Next Frontiers of Freshwater Science
UpStream 2026, Issue #7
From PFAS to road salt, science helps us discover the emerging pollutants lurking in our water and find solutions.
Closeup of a Radnor MS macroinvertebrate poster featuring a hellgrammite.
Students Transform Stream Studies Into Scientific Storytelling
UpStream 2026, Issue #7
Middle school students were challenged to create informational posters about the macroinvertebrates they discovered during a visit to the Stroud Center.
Euthyplocia mayfly from a Costa Rican stream.
The Most Important Animals May Be the Ones You Never Notice
UpStream 2026, Issue #6
Researchers are following the path of nitrogen in a tropical stream to uncover relationships that support the entire ecosystem.
Amy Bowers Cordalis.
The 2026 Stroud Award for Freshwater Excellence
UpStream 2026, Issue #6
The 2026 Stroud Award for Freshwater Excellence will be presented to Amy Bowers Cordalis, advocate for the Klamath River and Indigenous people.
Golfers with water donated by Open Water.
Golf Tournament Raises Funds for Freshwater Conservation
UpStream 2026, Issue #6, UpStream 2026, Issue #6
Golfers gathered to support freshwater science, education, and restoration at the Stroud Center’s annual golf fundraiser.
An aerial view of Choptank River Wetlands.
Whose Mud Is It? DNA Tracks Sediment Pollution in Chesapeake Bay
UpStream 2026, Issue #5
Stroud Center scientists used microbial DNA to trace sediment pollution in Maryland estuaries, helping managers target Chesapeake Bay restoration efforts more effectively.
Scott Ensign piloting a sailboat.
Fair Winds and Following Seas to Our Assistant Director
UpStream 2026, Issue #5
Amidst the awakening spring blossoms, buzzing pollinators, and lengthening days, the Stroud Center bid bon voyage to one of its own.
A honeybee harvests nectar from native aster flowers.
The Surprising Journey of a House-Built Water Monitoring Tool
UpStream 2026, Issue #5
Tracking honeybee colony rhythms with the Mayfly Data Logger was just the first of many applications far beyond its original intent.
Clean Water Conversations with Diana Oviedo Vargas and Melinda Daniels
What Motivates Scientists to Dedicate Their Careers to Clean Water?
UpStream 2026, Issue #5
In this episode of "Clean Water Conversations," Stroud Center scientists Diana Oviedo Vargas and Melinda Daniels share what drives their work.
John Jackson presenting at the 2026 SFS Annual Meeting.
Scientist Known for Road Salt Research and Policy Guidance Earns Top Honor
UpStream 2026, Issue #6
John K. Jackson, Ph.D., has been recognized for research, community leadership, and protecting streams and drinking water.

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