The Missouri and Niobrara rivers are ever flowing and they are in a perpetual shifting, dynamic state. Changing water levels due to releases from the dams and moving sand drive these changes. The land that adjoins the rivers is also dynamic. Weather and climate change, geologic processes, and human-caused factors such as air and water pollution are only a few of the agents of change that have helped to create the Recreational River that we know today. The park provides a "living laboratory" that helps us better understand how these environmental factors have shaped park landscapes and ecosystems. Park staff are monitoring changes in environmental factors to alert managers to threats to the resources, it is hoped, in time to prevent long-term damage.

Some of the development activities along the Missouri River, such as dams and levees, have come at the expense of the river's native fish and wildlife. Recently, a consortium of agencies and organizations, led by the Corps of Engineers and the U.S. Fish and Wildlife Service, have initiated a program to restore some of the river ecosystem's natural form and function. These activities will continue for decades. Although the river will never return to the wild, natural form encountered by Lewis and Clark, its ecosystem can be revitalized for the benefit of all the basin's inhabitants.

Click on Missouri River Recovery Program to learn more about these efforts.