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A Comparative Analysis of Literature Search Results for Chinook Restoration Project Evaluation Between 2012 and 2022 Western Pacific Studies in California, Oregon, and Washington

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https://ir.library.oregonstate.edu/concern/graduate_projects/nv935c15g

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  • Pacific salmon are an integral part of ecosystems, industry, culture, and food source. Rapid declines and extirpation in many populations and species have caught the interest of environmentalists, scientists, recreational anglers, commercial fishers, general public, and economists. Billions of dollars have been spent to restore, return, improve, sustain dwindling populations after major anthropogenic and environmental catastrophic losses. Understanding the best practices and future moves lies in assessing the work done in these restoration projects. This study evaluates the research type and methods used to assess restoration efforts of anadromous salmonids, specifically Chinook. Various complications of the search for this knowledge hindered the accessibility of results. Unfortunately, few studies (as searched) have assessed the short-term and long-term measurements of restoration effort success. In this review of peer-reviewed literature from 2012 to 2022, there were very few project or follow-up studies that provided evidence of the effectiveness of the restoration on Chinook population, especially in California and Oregon. Washington studies were more plentiful and accessible, though still showed less than 11% of articles included salmon restoration monitoring and effective assessment. Without careful consideration of monitoring and assessment of project purpose compliance, salmon and habitat restoration and management continue to lag while fish populations continue to decline.
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