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Entomology

Thermal Limitation in Aquatic Insects: Implications for Freshwater Biodiversity in a Warming World

800 532 Stroud Water Research Center

This project tests the hypothesis that temperature limits the distributions of aquatic insects through its effect on resource allocation, and that warming decreases reproduction by shunting energy away from egg…

Delaware River Watershed Initiative Community Science Phase II

800 532 Stroud Water Research Center

This project engages watershed residents to be active participants in efforts to document conditions across the focus areas of the Delaware River Watershed Initiative. Work includes efforts to support monitoring,…

Delaware River Watershed Initiative Phase II Work in Focus Areas

800 532 Stroud Water Research Center

This funding supports the Stroud Center’s Robin L. Vannote Watershed Restoration Program to participate in the Delaware River Watershed Initiative’s focus areas within the Brandywine-Christina, Middle Schuylkill, and Schuylkill Highlands…

Two scientist collecting and recording data in a stream.

Meet Our 2022 Summer Interns

800 450 Stroud Water Research Center

This is the 50th year that the Stroud Center has welcomed interns to help develop their skills and give them memorable experiences in their fields.

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

Without any mouth parts, fully mature adult mayflies, called spinners, cannot eat, and so most live but a single day.

Newly hatched mayflies resting on a tree, photo by Keith Williams.

Follow the Hatch — Aquatic Insects in Lancaster County’s Streams and Rivers

800 400 Stroud Water Research Center

Join John Jackson, Ph.D., of Stroud Water Research Center and Keith Williams of Lancaster Conservancy for a deep dive into the world of mayflies, stoneflies, caddisflies, and the many other tiny creatures that call our streams home.

A close view of green-dyed road salt on a walking path in Fairfax County, Virginia.

Who Can You Trust? Stroud Center Scientist Testifies on Threats of Road Salt to Fresh Water

800 450 Stroud Water Research Center

The invitation came on the heels of the Stroud Center sharing data with the Philadelphia Inquirer underlining the gravity of the road salt crisis as it affects clean fresh water.

Sialidae (alderflies)

Taxonomic Certification Opportunity in North Carolina

600 400 Stroud Water Research Center

Get certified in aquatic invertebrate identification at the Aquatic Insect Ecology for Environmental Professionals – Level 2 Workshop in Hot Springs.

Lepidostomatidae (lepidostomatid caddisflies)

Taxonomic Certification Opportunity at JASM Conference

600 400 Stroud Water Research Center

Get certified in aquatic invertebrate identification at the world’s largest gathering of aquatic scientists, students, practitioners, resource agency staff, and industry representatives.

A metal scoop full of road salt being sprinkled on pavement.

Over-Seasoned: Our Taste for Salt is Killing Our Freshwater Ecosystems

820 547 Stroud Water Research Center

The intense use of salt is now threatening our streams and rivers, marshes and ponds, and even groundwater — freshwater resources that were never meant to be so salty.