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Sweeney

A woman and a man plant a tree in a new riparian buffer.

How Many Trees Does It Take to Protect a Stream?

727 409 Stroud Water Research Center

Here’s a hint: wider buffers are better. Narrower buffers help but don’t function as well as pollutant barriers and enhancers of in-stream function.

Bern Sweeney walks through a native meadow.

Bern Sweeney Recognized With Prestigious Ruth Patrick Award

699 525 Stroud Water Research Center

As a student, colleague, and lifelong friend of Ruth Patrick, Sweeney sustained a career of scientific discovery leading to environmental solutions.

A map of southeastern Pennsylvania showing impacted streams and developed land use.

The Stream Restoration Puzzle

599 388 Stroud Water Research Center

Stroud Water Research Center examines why freshwater ecosystem restoration often fails to meet water quality objectives.

North American Macroinvertebrate Taxonomic Certification Program

800 532 Stroud Water Research Center

This program coordinates and executes the taxonomic certification program for the Society for Freshwater Science, conducting family- and genus-level tests throughout the year.Funded by: Society for Freshwater SciencePrincipal Investigators: John…

Macroinvertebrate Monitoring at Sites in White Clay Creek, Pa., Flint River, Ga., Susquehanna River, Pa., and Delaware River, Pa.

800 532 Stroud Water Research Center

These projects use aquatic macroinvertebrates such as mayflies, stoneflies, and caddisflies to provide assessments of current water quality in these streams and rivers.

Long-Term Research in Environmental Biology: Trajectory for the Recovery of Stream Ecosystem Structure and Function During Reforestation

800 532 Stroud Water Research Center

Stream restoration in the United States is a multibillion-dollar industry, yet long-term monitoring of its effectiveness is virtually nonexistent. To fill this gap, the Stroud Center restored a portion of…

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…

A stream cascade in Lofty Creek, Pennsylvania.

Assessment of Environmental Conditions in Bennett’s Run at Kendal-Crosslands Based on Physical, Chemical, Macroinvertebrate, and Fish Monitoring

1024 681 Stroud Water Research Center

Water chemistry, temperature, aquatic macroinvertebrates, and fish are being monitored in Bennett’s Run, a small tributary to Brandywine Creek in southern Chester County, Pa., to provide critical data in support…

Bern Sweeney, 2023 Society of Freshwater Science Fellow

Bern Sweeney of the Stroud Center Named Society for Freshwater Science Fellow

800 450 Stroud Water Research Center

Under his leadership, the Stroud Center became the only independent nonprofit, nonadvocacy research institution focused solely on the study of freshwater ecosystems.

A stream cascade in Lofty Creek, Pennsylvania.

Assessment of Environmental Conditions in Streams of the Runnymede Sanctuary Based on Physical, Chemical, and Macroinvertebrate Monitoring

1024 681 Stroud Water Research Center

The 1,670-acre Runnymede Sanctuary was created to preserve the extensive natural, historic, and scenic resources harbored by the property and to facilitate appropriate study and use of those resources. Its forests,…