Download or read book Snake River Basin 2018 2019 written by Eric J. Stark and published by . This book was released on 2021 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt: Steelhead trout Oncorhynchus mykiss in the Snake River basin are the focus of a variety of harvest and conservation programs. A run reconstruction model offers a systematic way to address information needs for management within the large and complex arena presented by Snake River steelhead. The purpose of this work is to summarize data describing the abundance of steelhead crossing Lower Granite Dam (LGR), the spatial distribution of spawning fish, and known fates/disposition. To achieve this, a group of representatives from the anadromous fishery management agencies within the Snake River basin was convened in 2011. During the next year, the analytical framework was developed, and in late 2012 the first model run was completed on spawn year 2011. Since then, the workgroup has completed steelhead run reconstruction analyses on eight spawn years (2012-2018), each time making incremental improvements in the model. In this report our objective was to estimate the disposition of steelhead within the Snake River basin for the 2018-2019 return (spawn year 2019). After adjusting for nighttime passage and fallback, we estimated 8,309 wild steelhead, 3,698 unmarked hatchery steelhead, and 41,104 adipose-clipped hatchery steelhead passed LGR on the Snake River during spawn year 2019 (July 1, 2018 to June 30, 2019). Fishery-related steelhead mortality in the Snake River basin upstream of Ice Harbor Dam (ICH) totaled 513 wild steelhead, 398 unmarked hatchery fish, and 26,680 marked hatchery fish. Further, 32 wild fish, 425 unclipped hatchery fish, and 7,391 clipped hatchery fish; were collected for broodstock, culled, or donated to food banks (only hatchery fish). Potential spawners remaining in the habitat totaled 8,209 wild steelhead, 2,907 unclipped hatchery fish, and 10,061 clipped hatchery steelhead. Snake River wild steelhead stocks experienced total losses of 29.1% between Bonneville Dam and Ice Harbor Dam. Fishery-related losses across all Major Population Groups (MPGs) of wild steelhead within the Snake River basin was 5.3%. Using the run reconstruction model, we attempted to quantify the fishery-related impacts on both hatchery and wild steelhead as they migrate to their natal or release area. This work provides a useful framework for synthesizing data collected by fisheries managers that allows inferences regarding disposition and spatial distribution of spawning fish. Model results can be used by hatchery programs to evaluate their mitigation goals. And recently, results are also being utilized by NOAA to evaluate fishery impacts on wild steelhead as a requirement of Snake River managers permitted to conduct fisheries. The run reconstruction process is a good arena for critical review of the data that managers in the basin use. The model provides an analytical tool whose outputs can be used to bridge gaps in the existing data using reasonable assumptions in a structured manner. Model results will help evaluate the performance of the Snake River wild steelhead Distinct Population Segment (DPS) as part of the status review (Appendix A), as well as evaluate hatchery program performance in context of management goals.
Download or read book Report of the Snake River Basin Water Committee written by Snake River Basin Water Committee and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Anatomy of a River written by Pacific Northwest River Basins Commission and published by . This book was released on 1974 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Lower Snake River Basin Idaho Oregon Washington written by and published by . This book was released on 1967 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Index of Surface water Records written by Geological Survey (U.S.). Surface Water Branch. Boise District and published by . This book was released on 1948 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Upper Snake River Basin written by United States. Bureau of Reclamation. Region 1 and published by . This book was released on 1961 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Report written by United States. Army. Office of the Chief of Engineers and published by . This book was released on 1951 with total page 1288 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Index of Surface water Records written by Geological Survey (U.S.). Surface Water Branch. Boise District and published by . This book was released on 1951 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Snake river basin written by United States. National Resources Committee and published by . This book was released on 1936 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy and Water Development Appropriations for 2018 written by United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development and published by . This book was released on 2017 with total page 1360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Snake River Basin Land Use Plan written by and published by . This book was released on 1976 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Snake River Basin written by Donna L. Parsons and published by . This book was released on 1973 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Snake River Basin written by Geological Survey (U.S.) and published by . This book was released on 1938 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Public Waters written by Anne MacKinnon and published by University of New Mexico Press. This book was released on 2021-05-01 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wyoming’s colorful story of water management illuminates the powerful forces that impact water use in the rural American West. The state’s rich history of managing this valuable natural resource provides insights and lessons for the twenty-first-century American West as it faces drought and climate change. Public Waters shows how, as popular hopes and dreams meet tough terrain, a central idea that has historically structured water management can guide water policy for Western states today. Drawing on forty years as a journalist with training in water law and economics, Anne MacKinnon paints a lively picture of the arcane twists in the notable record of water law in Wyoming. She maintains that other Western states should examine how local people control water and that states must draw on historical understandings of water as a public resource to find effective approaches to essential water issues in the West.
Download or read book Snake River Basin written by Geological Survey (U.S.) and published by . This book was released on 1940 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Streamflow Gains and Losses in the Snake River and Ground water Budgets for the Snake River Plain Idaho and Eastern Oregon written by L. C. Kjelstrom and published by . This book was released on 1995 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Environmental Quality written by L. Thad Horne and published by . This book was released on 1978 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
