The Leaf Pack Network is an initiative of Stroud™ Water Research Center. The Stroud Center seeks to advance knowledge and stewardship of freshwater systems through global research, education, and watershed restoration.

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Macroinvertebrates

Aquatic Macroinvertebrates in Motion Videos

Explore our video library of aquatic macroinvertebrates wriggling, swimming, and crawling through stream water!

ROCK ON With Rock Pack Experiment Videos

Scientists and educators at Stroud Water Research Center and Montana State University are working to increase awareness of net-spinning caddisflies through the Rock Pack Experiment, an expansion of the Leaf Pack Network® that investigates the world of these less-well-known ecosystem engineers using artificial rock packs. Fashioned using dry rocks in mesh bags and deployed in a local stream for thr...[Read More]

Leaf Pack Network Data Can Now Be Entered Into the Water Quality Mobile App!

The app helps users log and share data they collect in the field, interpret the data through learning pop-ups, and export it to create databases.

Introducing the Monitor My Watershed Data Portal

The Monitor My Watershed® data portal lets you share your Leaf Pack Network® data with the world and explore do-it-yourself environmental sensor datasets.

Ecosystem Benefits of Net-Spinning Caddisflies

Net-spinning caddisflies build nets to trap their food. But did you know that these nets also hold rocks together in streams?

Leaf Pack Network News, Spring 2016

Since the Leaf Pack Network debuted in December 2000, 464 groups have registered in 38 U.S. states, Puerto Rico, Washington, D.C., and in Canada, Chile, China, Colombia, Costa Rica, England, Ethiopia, Guatemala, Mexico, Peru, and the Philippines.