Welcome to the Leaf Pack Network, an international network of people investigating their local stream ecosystems. Leaf Pack Network is part of WikiWatershed, an initiative of Stroud Water Research Center to help people advance knowledge and stewardship of fresh water.

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International News

Expanding the Leaf Pack Network to South and Central America

In two packed workshops, Dr. Bern Sweeney and Christina Medved introduced the new Spanish-language version of Leaf Pack during a weeklong program in the Amazonian headwaters of Peru — the latest development in ongoing efforts to expand the program across Latin America and ultimately around the world.

Educators Present Leaf Pack Workshop in Costa Rica

Stroud Water Research Center Educators Christina Medved and Jamie Blaine traveled to Baru, Costa Rica to present a Leaf Pack workshop for local communities to learn about ways to monitor and protect their natural resources.

Leaf Pack Network News, Fall 2010

In September 2009, Yosemite Institute began using leaf packs to study macroinvertebrates in four streams in Yosemite Valley. Students have been studying water chemistry in these streams for several years but institute staff felt that biomonitoring would provide a more accurate measurement of the health of these ecosystems.

Leaf Pack Network Newsletter #13, Winter 2009-2010

In this issue: Peruvian Leaf Pack; Macroinvertebrate Review: Scuds vs. Sowbugs; Changing Lives & Communities in Costa Rica.

Five Days + Seventeen People = A World of Promise

For the 17 biologists, conservation workers and educators from Costa Rica, Guatemala, Mexico, Peru and the United States who took part in a total immersion Leaf Pack Ambassador workshop, the third week in October was an intense time that held great promise.

Leaf Pack Network Newsletter #11, Fall 2008

In this issue: Leaf Pack Ambassadors: Leaf Pack Goes Spanish; Macroinvertebrate Review: Mayflies vs. Stoneflies; News And Success From The Classroom; Online Macroinvertebrate Key.

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