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Funk

Video still from Episode 5 of the WHYY "Stories From the Streams" video series

Stories From the Streams: Salty Streams

838 473 Stroud Water Research Center

How salty is too salty? Road salt keeps travelers safe in winter but can pose a serious threat to nearby streams. Episode 5 in the “Stories from the Streams” series from WHYY TV12.

Brachycentridae (brachycentrid caddisflies)

#MysteryMacro Quiz Answers

500 400 Stroud Water Research Center

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

400 400 Stroud Water Research Center

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

Publication title with image of a mayfly

The good, the bad and the lethal: gene expression and metabolomics reveal physiological mechanisms underlying chronic thermal effects in mayfly larvae (Neocloeon triangulifer)

350 263 Stroud Water Research Center

Chou, H., W. Pathmasiri, J. Deese-Spruill, S.J. Sumner, D. Jima, D. Funk, J. Jackson, B. Sweeney, and D. Buchwalter. 2018. Frontiers in Ecology and Evolution 6:27.

Parthenogenesis (Virgin Reproduction), Hybridization, and Life History Plasticity in Mayflies

800 532 Stroud Water Research Center

Scientists are studying a number of mayfly species in White Clay Creek as well as in streams throughout eastern North America to better understand virgin reproduction and hybridization in mayflies, confirm the biological integrity of species that are genetically distinct but have the same name, and develop valuable laboratory techniques for mating and rearing aquatic insects.

Integration of Physiological, Life-History, and Macro-Ecological Approaches for Understanding Thermal Limitation in Aquatic Insects: Implications for Freshwater Biodiversity in a Warming World

800 532 Stroud Water Research Center

In this project, we test 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 production to other metabolic processes.

Ecotoxicity Study for Mayflies Exposed to Elevated Concentrations of Sulfate

1024 681 Stroud Water Research Center

This project measures responses of six mayfly species exposed to elevated sulfate concentrations in water from three Exceptional Value streams in Pennsylvania as well as in White Clay Creek at the Stroud Center.