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Macroinvertebrates

Get Your Freshwater Science Taxonomic Certification

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Through the accurate and precise identification of these organisms, you will be better prepared to record taxonomic data for biomonitoring programs.

Students working on designing a 3-D macroinvertebrate model

Life Lessons in Three Dimensions: Students, Stroud Center, Retired Teacher Collaborate

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By creating these teaching tools for other students to learn about freshwater ecosystems, the students developed their own curiosity about their outdoor environment.

Screenshot of Caddisflies, Engineering an Ecosystem video

Research Reveals Caddisflies are Ecosystem Engineers

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Hydropsychid caddisflies spin silk mesh nets that they use to filter feed. These nets are important ecosystem engineering structures in flowing waters.

Brachycentridae (brachycentrid caddisflies)

#MysteryMacro Quiz Answers

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Spoiler alert! These are the ANSWERS for the Pennsylvania Fish and Boat Commission Facebook #MysteryMacro questions featuring photos by Stroud Center entomologist Dave Funk.

Isopoda (aquatic sowbugs)

Test Your Skills With the #MysteryMacro Quiz

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Want a fun way to learn about freshwater macroinvertebrates? Check out the Pennsylvania Fish and Boat Commission #MysteryMacro quiz featuring photos by Dave Funk.

Stroud Science on NPR: Road Salt Boosts Safety But Threatens Fresh Water

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When StateImpact Pennsylvania wanted to understand how our addiction to road salt is impacting the environment, they came to Stroud Water Research Center.

Introduction to the Rock Pack Experiment

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Join Tara Muenz, Assistant Director of Education, and Lindsey Albertson, Ph.D., Montana State University researcher and Stroud Center alumna, for a free hands-on workshop, complete with materials for you to take home.

Mayfly Eggs Hatching a Minute After Being Laid

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This ovoviviparous mayfly holds her eggs internally until embryonic development is complete after which she lays them in water and they hatch immediately.

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.

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