Download or read book Upstream Passage and Spawning of Fall Chinook Salmon in the Snake River 1991 written by Glen Wesley Mendel and published by . This book was released on 1992 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Upstream Passage Spawning and Stock Identification of Fall Chinook Salmon in the Snake River 1991 written by Glen W. Mendel and published by . This book was released on 1993 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Upstream Passage Spawning and Stock Identification of Fall Chinook in the Snake River 1992 and 1993 written by and published by . This book was released on 1997 with total page 101 pages. Available in PDF, EPUB and Kindle. Book excerpt: This final report of the 3-year study summarizes activities and results for 1993. Study objectives were to: (1) determine the source of losses (or accounting errors) for adult chinook salmon between Ice Harbor Dam (IHR) and Lower Granite Dam (LGR), and upstream of LGR in the Snake River; (2) identify spawning locations upstream of LGR for calibration of aerial redd surveys, redd habitat mapping, carcass recovery for genetic stock profile analysis, and correction of estimated adult/redd ratios; and (3) estimate passage and migration times at Snake River. 200 fall chinook salmon were radio tagged and tracked with aerial, fixed-site, and ground mobile tracking. Fish were released upstream of IHR at Charbonneau Park (CHAR). 190 of the fish were tracked or relocated away from CHAR. 59 fish descended to below IHR without crossing Lower Monumental Dam (LMO). Another 128 salmon passed upstream of LMO without falling back at IHR. Only 80 salmon passed Little Goose Dam (LGO) without falling back at a downstream dam; 66 of these fish passed LGR. Many fish that fell back reascended the dams. A total of 72 salmon released at CHAR passed upstream of LGR, including fish that had fallen back and reascended a dam. Over 80 percent of the salmon that entered Lyons Ferry Hatchery each year had reached LGO before descending to the hatchery. Extensive wandering was documented between LMO and upstream of LGR before salmon entered Lyons Ferry Hatchery or the Tucannon River. In 1993, 41 salmon were found to be of hatchery origin when recovered. These fish entered Lyons Ferry Hatchery with similar movements to unmarked salmon. Each year a few salmon have remained near the hatchery without entering, which suggests the hatchery may have inadequate attraction flows. Fall chinook passed lower Snake River dams in 2-5 days each on average. Median travel times through LMO and LGO were 1.0-1.3 days each, which was slower than for spring chinook or steelhead in 1993. 5 refs., 21 figs., 20 tabs.

Download or read book Upstream Passage Spawning and Stock Identification of Fall Chinook Salmon in the Snake River 1992 and 1993 written by Washington (State). Department of Fisheries and published by . This book was released on 1997 with total page 95 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Upstream Passage Spawning and Stock Identification of Fall Chinook Salmon in the Snake River 1992 written by and published by . This book was released on 1993 with total page 73 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report summarizes the activities and results for the second year (1992) of a three year study. The goals of the study were as follows: (1) to determine the source (s) of interdam losses of adult fall chinook salmon between Ice Harbor Dam (IHR) and Lower Granite Dam (LGR), as well as upstream of LGR; (2) identify spawning locations upstream of LGR for calibration of aerial redd surveys, and to assist with redd habitat mapping and carcass recovery (for genetic stock profile analysis). Radio telemetry was used as the method of addressing project goals. Unmarked (not adipose clipped) adult fall chinook salmon were trapped and radio tagged at IHR and LGR dams as they ascended the Snake River during their spawning migration. They used aerial and ground mobile radio tracking to determine the movements of these fish. They examined movements of all radio tagged salmon upstream of LGR Dam. That provided us with a sample of 17 radio tagged fish tagged at IHR and 20 tagged at LGR. They estimate a combined fall back rate at LGR of 37.1% (13 fish). Another 10.8--13.5% were 'lost' or prespawning mortalities. They identified two potential spawning locations that would not have been detected from the aerial spawning surveys. One site was upstream of Troy on the Grande Ronde River and the other was in the upper Snake River.

Download or read book Lower Snake River Juvenile Salmon Migration Feasibility Report written by and published by . This book was released on 2002 with total page 900 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Columbia and Snake Rivers 1992 Salmon Flow Measures ID OR WA Options Analysis Document written by and published by . This book was released on 1992 with total page 602 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Lower Snake River Biological Drawdown Test written by and published by . This book was released on 1994 with total page 526 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Identification of the Spawning Rearing and Migratory Requirements of Fall Chinook Salmon in the Columbia River Basin 1991 Annual Progress Report written by and published by . This book was released on 1993 with total page 137 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document is the 1991 annual progress report for selected studies of fall chinook salmon Oncorhynchus tshawytscha conducted by the US Fish and Wildlife Service. The decline in abundance of fall chinook salmon in the Snake River basin has become a growing concern. In April 1992, Snake River fall chinook salmon were listed as ''threatened'' under the Endangered Species Act. Effective recovery efforts for fall chinook salmon can not be developed until we increase our knowledge of the factors that are limiting the various life history stages. This study attempts to identify those physical and biological factors which influence spawning of fall chinook salmon in the free-flowing Snake River and their rearing and seaward migration through Columbia River basin reservoirs.

Download or read book Columbia River Basin Fish and Wildlife Program salmon Recovery written by United States. Congress. Senate. Committee on Appropriations. Subcommittee on Energy and Water Development and published by . This book was released on 1996 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Nez Perce Tribal Hatchery Program Snake River written by and published by . This book was released on 1997 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Fall Chinook Salmon Spawning in the Columbia River Near Hanford 1947 1969 written by D. G. Watson and published by . This book was released on 1970 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Columbia River System Operation Review SOR written by and published by . This book was released on 1996 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Identification of the Spawning Rearing and Migratory Requirements of Fall Chinook Salmon in the Columbia River Basin written by United States. Bonneville Power Administration and published by . This book was released on 1993 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Proposed Recovery Plan for Snake River Salmon written by and published by . This book was released on 1995 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Identification of the Spawning Rearing and Migratory Requirements of Fall Chinook Salmon in the Columbia River Basin Annual Report 1994 written by and published by . This book was released on 1996 with total page 159 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spawning ground surveys were conducted in 1994 as part of a five year study of Snake River chinook salmon Oncorhynchus tshawyacha begun in 1991. Observations of fall chinook salmon spawning in the Snake River were limited to infrequent aerial red counts in the years prior to 1987. From 1987-1990, red counts were made on a limited basis by an interagency team and reported by the Washington Department of Fisheries. Starting in 1991, the U.S. Fish and Wildlife Service (USFWS), and other cooperating agencies and organizations, expanded the scope of spawning ground surveys to include: (1) additional aerial surveys to improve red counts and provide data on the timing of spawning; (2) the validation (ground truthing) of red counts from aerial surveys to improve count accuracy; (3) underwater searches to locate reds in water too deep to allow detection from the air; and (4) bathymetric mapping of spawning sites for characterizing spawning habitat. This document is the 1994 annual progress report for selected studies of fall chinook salmon. The studies were undertaken because of the growing concern about the declining salmon population in the Snake River basin.

Download or read book Identification of the Spawning Rearing and Migratory Requirements of Fall Chinook Salmon in the Columbia River Basin Annual Report 1995 written by and published by . This book was released on 1997 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document is the 1995 annual progress report for selected studies of fall chinook salmon Oncorhynchus tshawytscha conducted by the Biological Resources Division (BRD) of the U.S. Geological Survey and the U.S. Fish and Wildlife Service. Activities were funded by the Bonneville Power Administration (BPA) through funding of Project 91-029. The decline in abundance of fall chinook salmon in the Snake River basin has become a growing concern. In 1992, Snake River fall chinook salmon were listed as {open_quotes}threatened{close_quotes} under the Endangered Species Act. Effective recovery efforts for fall chinook salmon cannot be developed until we increase our knowledge of the factors that are limiting the various life history stages. This study attempts to identify those physical and biological factors which influence spawning of fall chinook salmon in the free-flowing Snake River and their rearing and seaward migration through Columbia River basin reservoirs.