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Entomology

Stroud Center Executive Director David B. Arscott along with Director of Watershed Restoration Matthew Ehrhart and Senior Research Scientist Jackson, Ph.D., accept the Watershed Champion award.

Stroud Center Named Watershed Champion by Philly–Area Collaborative

800 450 Stroud Water Research Center

A collaborative led by the Pennsylvania Environmental Council honors Stroud Center for its role in protecting and restoring the Delaware River Watershed.

An adult mayfly with large eyes sitting on a leaf.

Four Seasons of Salt Threaten Wildlife

720 540 Stroud Water Research Center

Excessive winter salt use is leading to year-round pollution in fresh water. Discover why this is a problem and what you can do about it.

Two entomologist preparing a sample and recording data alongside a stream.

Conducting World-Leading, Innovative Freshwater Research

800 450 Stroud Water Research Center

On the Start Local podcast, John Jackson, Ph.D., shares insights into how the Stroud Center uses innovative science to protect and preserve fresh water.

Publication title with image of a mayfly

Watershed survey of streams in western Bhutan with macroinvertebrates, water chemistry, bacteria and DNA barcodes

350 210 Stroud Water Research Center

Battle, J.M., B.W. Sweeney, B. Currinder, A. Aufdenkampe, B. Fisher, and N. Islam. 2024. Journal of Threatened Taxa 16(11): 26089–26103.

Two scientists and a TV weatherman look at a crayfish captured from White Clay Creek.

Stroud Center Goes Live with Fox 29 Weather Team

800 450 Stroud Water Research Center

Meteorologist Drew Anderson got his feet wet in White Clay Creek as some of our scientists discussed healthy streams with viewers of the live show.

A small brook trout swims in a shallow stream.

Too Hot to Handle: How Rising Temperature Impacts Streams

1000 563 Stroud Water Research Center

Human activities are increasing stream temperatures and harming habitat quality for freshwater fish and species like mayflies.

Publication title with image of a mayfly

To achieve the Clean Water Act’s goals, prioritize upstream ecology

350 210 Stroud Water Research Center

Ensign, S.H., D.B. Arscott, M. Daniels, C. Dow, J.K. Jackson, D. Oviedo-Vargas, and M. Peipoch. 2024. Water Resources IMPACT 26(3): 19–21.

A female mayfly with a ball of eggs attached to the underside of her abdomen.

The Magic of Mayflies

720 524 Stroud Water Research Center

If you’ve ever hiked along a woodland stream on a warm spring day, you may have seen these tiny creatures swarming together, fluttering in a midair dance.

Publication title with image of a mayfly

Variation in freshwater insect osmoregulatory traits: A comparative approach

350 210 Stroud Water Research Center

Cochran, J.K., S.E. Orr, D.H. Funk, A.C. Figurskey, M.H. Reiskind, and D.B. Buchwalter. 2024. Ecological and Evolutionary Physiology 97(3): 164–179.

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.