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Restoring Rivers One Reach at a Time: Results from a Survey of U.S River Restoration Practitioners

This survey-based research delves into U.S. river restoration projects, evaluating success factors and outcomes. Findings reveal key insights on restoration efforts, emphasizing the importance of community involvement and advisory committees. The National River Restoration Science Synthesis aims to inform future projects with data on successful restoration practices, emphasizing rigorous evaluation for improved outcomes. Discover the variability of restoration projects and the correlation between success and specific project features.

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Restoring Rivers One Reach at a Time: Results from a Survey of U.S River Restoration Practitioners

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  1. Restoring Rivers One Reach at a Time: Results from a Survey of U.S River Restoration Practitioners Ian McBride

  2. Introduction • “river restoration” is a broad term • Often the outcomes of river restoration projects are not evaluated • River restoration efforts are growing exponentially • 1 billion dollars annually

  3. National River Restoration Science Synthesis • The NRRSS aims to provide a national level synthesis of river restoration science • Evaluate success levels of river restoration projects • Identify specific aspects of a successful project • Inform future river restoration projects

  4. Methods • Compile and organize data on a national scale • Make data readily available to inform future projects

  5. NRRSS Summary Database • Collection of project summaries from completed river restoration projects • Aimed to understand the current state of river restoration in the United States • Included projects with the purpose of improving stream condition • The effort can be evaluated

  6. NRRSS Interview Database • Formed for a subset of the summary database • Interviews of project contacts • Projects completed from 1996-2002

  7. Criteria • Able to interview appropriate Practitioners • Goal of project: • Riparian Management • Water quality • In-stream habitat improvement • Channel reconfiguration • Type of monitoring done (see Table 3)

  8. Results • 317 interviews about unique projects • Large of variation in restoration projects style and method • Varying levels of success of projects • Very successful • Somewhat successful • Unsuccessful • To early to tell

  9. Results (cont.)

  10. Discussion • Were there distinct features of successful and unsuccessful projects? • No. Motivation, members of restoration team, type of monitoring and funding sources showed no trend in successful vs. unsuccessful projects

  11. Discussion (cont.) • Did projects that followed the idealized process show any unique characteristics? • Not in cost, size, participants, funding source or region.

  12. Discussion (cont.) • Over two thirds of the projects that employed a highly effective process had: • Significant community involvement • An advisory committee associated with the project

  13. Conclusion • River restoration projects are extremely variable • Many factors appear to have little influence on success • Community involvement and having an advisory committee seem to correlate with success

  14. Conclusion (cont.) • The NRRSS has an outline that correlates with a success • Restoration practices need rigorous scientific evaluation to determine a level of success • Agencies involved in restoration should take this information and re-evaluate methods

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