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Fact Sheet 2005–3140

In cooperation with the National Park Service

Effects of Post-Wildfire Sedimentation on Leopard Frog Habitat in Saguaro National Park

By John T.C. Parker

Version 1.0


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The U.S. Geological Survey, in cooperation with the National Park Service, is studying hydrologic changes caused by uncontrolled wildfires and the effects of increased sediment transport and deposition on leopard frog habitat in the Rincon District of Saguaro National Park near Tucson, Arizona. Excessive sediment resulting from recent large fires has filled small basins within drainage channels that normally store water year round and provide habitat for the increasingly scarce lowland leopard frog. Habitat destruction has important implications for Park Service fire-management policies and maintenance of the dwindling population of frogs.

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Send questions or comments about this report to the author, John T.C. Parker at 520.670.6671 x271.
For more information about USGS activities in Arizona, visit the USGS Arizona Water Science Center home page.

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