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Monitoring the Health of the Susquehanna

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Stroud™ Water Research Center’s annual sampling of the Susquehanna River near Mehoopany, Pennsylvania, was chronicled in an article in an area newspaper. Stroud Center studies have shown that the health…

Mystery Midge with “Kite Tail” Eggs

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Stroud Center entomologist David Funk documented the unusual behavior of an orthoclad midge species at Lake Umbagog on the Maine/New Hampshire border: Adult females fly over the lake and extrude long strings of eggs which they eventually drop into the water.

Could Rising Temps Be Killing Mayflies, Threatening Streams? Scientists Investigate.

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When mayfly populations decline, it’s a warning that something has gone wrong. But what? Stroud Center scientists and their colleagues are investigating.

Stroud Team Helps Discover Species Diversity in State and National Parks

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Stroud Center entomologists, interns, and educators joined citizen scientists and others for the National Park Service Centennial BioBlitz.

Comparative Lifecycle and Toxicity Testing of Multiple Mayfly Species Across a Gradient of Total Dissolved Solids, With Methods Development for Native Species in the Central Appalachian Coal Fields

800 532 Stroud Water Research Center

Many water quality standards for pollutants in streams are based on laboratory toxicity tests that rely on macroinvertebrate species that are easy to handle in the laboratory. Unfortunately, these standard…

Water Quality Assessment in California Using DNA Barcoding

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This pilot study was designed to test how the use of a new technology called DNA barcoding can improve water quality assessment in California streams by enabling researchers to identify…

Macroinvertebrate Assessment of Environmental Conditions in Four Tributaries on the Red Clay Reservation

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Stroud Water Research Center scientists sampled stream macroinvertebrates (i.e., primarily insects, crayfish, and worms) and baseflow water chemistry to assess stream condition as a cumulative measure of the effects of…

Spatial and Temporal Variation in Water Quality Among Major Tributaries of the Schuylkill River

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This research, education, and outreach project continues efforts with local watershed groups to monitor macroinvertebrates in streams throughout the Schuylkill River Basin, which is located in the Northern Piedmont and…

Evaluating the Seasonal Effects of Short-Term Temperature Change on Macroinvertebrates and Fish in Streams and Rivers

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We are conducting laboratory studies to test criteria of existing legislation for protecting fish and macroinvertebrates from excessive temperature changes during a 24-hour period in both winter and summer. Funded…

Effects of Land Use on Water Quality of Streams and Rivers on the Osa Peninsula, Costa Rica

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We used species composition and relative abundance of aquatic insect populations to measure water quality changes from deforestation, cattle farming and palm oil plantations in seven streams and rivers in…