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George Washington Carver National Monument (GWCA), located in the Ozark Highlands of southwest Missouri, was established to interpret the historic and cultural resources related to the birthplace, childhood, and achievements of George Washington Carver.

Hot Springs National Park (HOSP), located in the Ouachita Mountains Ecoregion of Arkansas, was established to preserve the geothermal springs and conserve this water resource for public use. The park is 22.5 km2 and, in addition to the hot springs, contains portions of three streams: Gulpha Creek (3.1 km), Bull Bayou (1.9 km), and Whittington Creek (2.3 km). Land use adjacent to the park is primarily urban, with the park surrounding the north end of the city of Hot Springs, Arkansas. Urbanization can have a negative impact on the quality of surface water and adversely affect fish populations...

The authors detail why monitoring the current status and population trends of fish communities and their habitats is an important tool for preserving and conserving aquatic resources in the national parks. The framework for monitoring small streams located in HTLN parks is directed towards maintaining their ecological integrity, which will be assessed through periodic monitoring of fish communities, physical habitat, and water quality. The authors describe the protocol which has been designed to incorporate the spatial relationship of biotic indicators with chemical constituents and physical...