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Scientist gathered at Stroud Water Research Center to define the River Continuum Concept.

Marking the Passing of a Colleague and Mentor

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Wayne Minshall was an expert in the ecology of flowing waters and fire ecology and an important contributor and co-author to the River Continuum Concept.

Photo of Lou Kaplan seated on a rock in a stream

Science Never Retires

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Tom Bott, Bern Sweeney, Lou Kaplan and Denis Newbold are using their retirement in order to continue to pursue their passions in freshwater science.

Two women and a man identifying aquatic insects at a workshop in Peru.

The Peru Project

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A scientific research and environmental education project in the headwaters of the Amazon in Peru funded by the Gordon and Betty Moore Foundation.

Map of the Área de Conservación Guanacaste in Costa Rica

Long-Term Research in Environmental Biology: Costa Rica

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A study of small to intermediate size streams in the Área de Conservación Guanacaste in Costa Rica, with the backdrop of a natural and successional mosaic.

Long-Term Research in Environmental Biology: White Clay Creek, Pennsylvania

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A study of a third order drainage basin in Pennsylvania, examining stream and watershed characteristics associated with riparian zone restoration and reforestation.

A tree growing on the banks of White Clay Creek above the remains of a stone dam.

Critical Zone Observatory

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A study of how soil erosion and sediment transport through rivers impacts the exchange of carbon between the land and the atmosphere and affects climate.

Long-Term Research in Environmental Biology (LTREB): Dynamics of Stream Ecosystem Responses Across Gradients of Reforestation and Changing Climate in a Tropical Dry Forest

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Stroud Water Research Center has expanded on 20 years of research on tropical streams near the Maritza Biological Station in northwest Costa Rica, which provides the framework of this study,…

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.

Remembering Ruth Patrick

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Patrick’s outstanding career in limnology, which focused on the study of streams, spanned eight decades and earned her worldwide recognition.

Publication title with image of a mayfly

Ecosystem metabolism and nutrient uptake in Peruvian headwater streams

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Bott, T.L., and J.D. Newbold. 2013. International Review of Hydrobiology 98:117–131.