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Arscott

A stream cascade in Lofty Creek, Pennsylvania.

Habitat characteristics, temporal variability, and macroinvertebrate communities associated with a mat-forming nuisance diatom (Didymosphenia geminata) in Catskill mountain streams, New York

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Richardson, D., I. Oleksy, T. Hoellein, D. Arscott, C. Gibson, and S. Root. 2014. Aquatic Sciences 76(4):553–564.

Didymosphenia germinata aka rock snot

Rock Snot: ItsNot a Joke

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Turns out, noses aren’t the only things that get snotty: Phlegm-like algae grosses out stream beds, too.

A golden shiner from a tributary to the Brandywine Creek.

Sharing Our Science: Spring 2014

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Stroud Center Tackles Watershed Restoration; Getting to Know Rock Snot; Something Smells Fishy.

Graph of conductivity rise in Brandywine Creek from salt load washing.

Freshwater Sources Less “Fresh” from Greater Salt Use, Scientists Say

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Fresh groundwater, where some drinking water comes from, recharges streams. Scientists are concerned about early signs that groundwater sources are getting saltier.

Fracking truck

UpStream Newsletter, December 2013

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Low Levels of Fracking Wastewater Highly Toxic to Mayflies: Stroud Center scientists find mayflies, whose presence indicates good water quality, are significantly affected by low levels of produced water.

A stream cascade in Lofty Creek, Pennsylvania.

Response of benthic macroinvertebrates to gradients in hydrological connectivity: a comparison of temperate, subtropical, Mediterranean and semiarid river floodplains

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Gallardo, B., S. Dolédec, A. Paillex, D.B. Arscott, F. Sheldon, F. Zilli, S. Mérigoux, E. Castella, and F.A. Comín. 2014. Freshwater Biology 59:630–648.

Ruth Patrick in a stream holding clumps of aquatic plants.

UpStream Newsletter, October 2013

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Remembering Ruth Patrick: Ruth Patrick, Ph.D., a pioneer in environmental science and aquatic ecology and co-founder of the Stroud Center, died September 23, 2013 at 105 years old.

Dust bowl farmland.

UpStream Newsletter, July 2013

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Where the Wells Run Dry: To predict the potential impact of climate variability, climate change, land use, and human activity on water resources in the Central Great Plains, Melinda Daniels, Ph.D., is leading a three-year research project recently funded by the National Science Foundation.

Cows fenced out of a stream.

UpStream Newsletter, June 2013

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A Holistic Approach to Restoring Streams: Our Watershed Restoration Group has an ambitious goal — add forested buffers along the entire length of two streams over the next two years.

Azavea Summer of Maps

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A summer intern with Azavea combined GIS data collected by Stroud Water Research Center scientists from above and below the surface of the White Clay Creek to generate a complete…