Northwest Fisheries Science Center

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Document Type: Chapter or Section
Center: NWFSC
Document ID: 691
Type of Book: Technical
Section or Chapter Title: Monitoring salmon stream restoration: guidelines based on experience in the American Pacific Northwest
Book Title: Kemp, P. editor. Salmonid fisheries: freshwater habitat management. Wiley-Blackwell
Author: P. Roni, G. R. Pess, S. A. Morley
Publication Year: 2010
Publisher: Wiley-Blackwell. Oxford, UK
Pages: 119-147

Large-scale efforts are underway throughout North America and Europe to restore rivers, streams and other aquatic habitats. Monitoring of restoration projects, however, continues to be inadequate and limited guidance exists on how to design rigorous monitoring to evaluate river restoration. We outline the key steps for designing an effective monitoring program, including: defining restoration goals, key monitoring questions, defining scale, selecting a monitoring design, determining replication (sample size) and selecting appropriate parameters. Critical to all of this is clearly defining the question or hypothesis to be tested. We demonstrate these monitoring guidelines using case studies from the Pacific Northwest of the United States. These include published evaluations of wood and boulder placement, floodplain restoration, construction of logjams, and monitoring of multiple restoration actions throughout a catchment. While these studies are from Pacific salmonids in North America, they clearly demonstrate broadly applicable principles including: 1) the importance of a well-designed monitoring program, 2) evidence of improvements of physical habitat using various techniques, and 3) that, when projects are implemented correctly, they will lead to sizeable increases in fish production. Which fish species may benefit the most will depend on those present, their habitat preferences, and types of habitat influenced by restoration efforts. We discuss the applicability of experiences gained from these American case studies to the United Kingdom, Europe and elsewhere.

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Notes: book chapter in Salmonid Fisheries: freshwater habitat management, edited by Paul Kemp, Wiley-Blackwell, Oxford, UK.