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Water Temperature River Discharge And Adult Chinook Salmon Migration Observations In The Stamp Somass Watershed 1986 2012
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Book Synopsis Water Temperature, River Discharge, and Adult Chinook Salmon Migration Observations in the Stamp/Somass Watershed, 1986-2012 by : Jeremy G. Damborg
Download or read book Water Temperature, River Discharge, and Adult Chinook Salmon Migration Observations in the Stamp/Somass Watershed, 1986-2012 written by Jeremy G. Damborg and published by . This book was released on 2020 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Water Temperature, River Discharge, and Adult Chinook Salmon Migration Observations in the Cowichan Watershed, 1988-2014 by : J. G. Damborg
Download or read book Water Temperature, River Discharge, and Adult Chinook Salmon Migration Observations in the Cowichan Watershed, 1988-2014 written by J. G. Damborg and published by . This book was released on 2015 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: Historical daily mean air and water temperatures, stream discharge and adult Chinook salmon upstream migration data were assembled for the Cowichan River, British Columbia. Long-term air temperature time-series were statistically related to intermittent water temperature time-series to hind-cast daily water temperatures for the Lower Cowichan River from 1913-2014. Statistical relationships between the long-term WATER SURVEY OF CANADA (WSC) hydrometric station on the Upper Cowichan River (1913-2012), and the Lower Cowichan WSC station, were used to extend the discharge time-series for the Lower Cowichan site. Peak-over-threshold analyses were then applied to reconstructed time-series data to review trends.
Book Synopsis Water Temperature, River Discharge, and Adult Chinook Salmon Migration Observations in the Cowichan Watershed, 1988-2014 by : J. G. Damborg
Download or read book Water Temperature, River Discharge, and Adult Chinook Salmon Migration Observations in the Cowichan Watershed, 1988-2014 written by J. G. Damborg and published by . This book was released on 2015 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Historical daily mean air and water temperatures, stream discharge and adult Chinook salmon upstream migration data were assembled for the Cowichan River, British Columbia. Long-term air temperature time-series were statistically related to intermittent water temperature time-series to hind-cast daily water temperatures for the Lower Cowichan River from 1913-2014. Statistical relationships between the long-term WATER SURVEY OF CANADA (WSC) hydrometric station on the Upper Cowichan River (1913-2012), and the Lower Cowichan WSC station, were used to extend the discharge time-series for the Lower Cowichan site. Peak-over-threshold analyses were then applied to reconstructed time-series data to review trends.
Book Synopsis Water Temperature, River Discharge, and Adult Sockeye Salmon Migration Observations in the Chilko-Chilcotin Watershed, 1975-2012 by : H. W. Stiff
Download or read book Water Temperature, River Discharge, and Adult Sockeye Salmon Migration Observations in the Chilko-Chilcotin Watershed, 1975-2012 written by H. W. Stiff and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Historic Water Temperature (1924-2018), River Discharge (1929-2018), and Adult Sockeye Salmon Migration (1937-2018) Observations in the Columbia, Okanogan, and Okanagan Rivers by : Kim Dennis Hyatt
Download or read book Historic Water Temperature (1924-2018), River Discharge (1929-2018), and Adult Sockeye Salmon Migration (1937-2018) Observations in the Columbia, Okanogan, and Okanagan Rivers written by Kim Dennis Hyatt and published by . This book was released on 2020 with total page 203 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Water Temperature, River Discharge, and Adult Sockeye Salmon Migration Observations for the Tahltan Watershed, 1959-2012 by : H. W Stiff
Download or read book Water Temperature, River Discharge, and Adult Sockeye Salmon Migration Observations for the Tahltan Watershed, 1959-2012 written by H. W Stiff and published by . This book was released on 2013 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Water Temperature, River Discharge, and Adult Sockeye Salmon Migration Observations in the Chilko-Chilcotin Watershed, 1975-2012 by :
Download or read book Water Temperature, River Discharge, and Adult Sockeye Salmon Migration Observations in the Chilko-Chilcotin Watershed, 1975-2012 written by and published by . This book was released on 2017 with total page 183 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Historical meteorological, water discharge and water temperature data were assembled to review the influence of changes in these environmental factors on daily migration patterns of adult Sockeye en route to their Chilko River spawning grounds (1975-2012), a major tributary to the Chilcotin River, British Columbia. Air temperature data, adjusted and homogenized for climate analyses, were obtained for a regional meteorological station (at Williams Lake), and statistically related to intermittent water temperature time-series (spanning 1996-2012) in the Chilko and Chilcotin rivers to hind-cast daily mean water temperature for 1940-2012 at key sites along the migration route. Flow data from two hydrometric stations in the watershed were statistically-related to construct continuous daily discharge time-series for 1927-2012 at the same sites. A stratified categorical frequency analysis of daily water temperature and flow levels versus standardized daily migration lagged 0-20 days earlier was used to discern the most likely combination of threshold values for temperature, discharge, and time lag contributing to daily migration rate variation. The resulting critical thresholds were applied in exceedance analyses to review trends in flow & temperature events pertinent to Chilko Sockeye migration"--Abstract, p. v.
Book Synopsis Water Temperature, River Discharge, and Adult Sockeye Salmon Migration Observations in the Babine Watershed, 1946-2014 by :
Download or read book Water Temperature, River Discharge, and Adult Sockeye Salmon Migration Observations in the Babine Watershed, 1946-2014 written by and published by . This book was released on 2015 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt: Historical meteorological and hydrological data were assembled to review the influence of changes in these environmental factors on patterns of adult Sockeye migration in the Babine River, British Columbia. Regional air temperature data collected from Environment Canada meteorological stations were statistically related to intermittent water temperature time-series (2003-2014) recorded at the Babine fish fence to hind-cast daily water temperature in Babine River for 1910-2014. Flow data from two hydrometric stations in the Babine watershed were statistically-related to construct a continuous daily discharge time-series for 1945-2014. A stratified categorical frequency analysis of daily migration rates versus water temperature and flow conditions, lagged 0-7 days earlier, was used to discern the most likely combination of threshold values for temperature, discharge and associated time lags contributing to daily fence count variation.
Book Synopsis Temperature and Discharge Conditions Associated with Migration of Adult Sockeye Salmon Entering the Docee River and Long Lake Watershed, B.C. from 1968-2012 by : H. W Stiff
Download or read book Temperature and Discharge Conditions Associated with Migration of Adult Sockeye Salmon Entering the Docee River and Long Lake Watershed, B.C. from 1968-2012 written by H. W Stiff and published by . This book was released on 2015 with total page 159 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Relationship Between Instream Flow, Adult Immigration, and Spawning Habitat Availability for Fall-run Chinook Salmon in the Upper San Joaquin River, California : Final Report by :
Download or read book The Relationship Between Instream Flow, Adult Immigration, and Spawning Habitat Availability for Fall-run Chinook Salmon in the Upper San Joaquin River, California : Final Report written by and published by . This book was released on 1994 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Water Temperature, River Discharge, and Adult Sockeye Salmon Migration Observations in the Quesnel/Horsefly Watershed by : H. W. Stiff
Download or read book Water Temperature, River Discharge, and Adult Sockeye Salmon Migration Observations in the Quesnel/Horsefly Watershed written by H. W. Stiff and published by . This book was released on 2018 with total page 195 pages. Available in PDF, EPUB and Kindle. Book excerpt: Historical meteorological, water discharge and water temperature data were assembled to review the influence of changes in these environmental factors on daily migration patterns of adult Sockeye enroute to the Horsefly River spawning grounds via the Quesnel River, a major tributary of the Fraser River, British Columbia. This report documents the data assembled for derivation of historic water temperature and flows affecting Quesnel Sockeye Salmon on the final leg of their migration to the spawning grounds in the Horsefly watershed. This document includes an introduction, methods, results, discussion, conclusions, and recommendations.--Includes text from document.
Author :Canada. Dept. of Fisheries and Oceans. Pacific Region. South Coast Division Publisher :Nanaimo, B.C. : Fisheries and Oceans, Canada ISBN 13 : Total Pages :55 pages Book Rating :4.:/5 (242 download)
Book Synopsis Escapement Enumeration of Salmon Passing Through the Stamp Falls Fishway on the Somass River System, 1986 Through 1989 by : Canada. Dept. of Fisheries and Oceans. Pacific Region. South Coast Division
Download or read book Escapement Enumeration of Salmon Passing Through the Stamp Falls Fishway on the Somass River System, 1986 Through 1989 written by Canada. Dept. of Fisheries and Oceans. Pacific Region. South Coast Division and published by Nanaimo, B.C. : Fisheries and Oceans, Canada. This book was released on 1991 with total page 55 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Escapement Enumeration of Salmon Passing Through the Stamp Falls Fishway on the Somass River System, 1986 Through 1989 by : S. R. Heizer
Download or read book Escapement Enumeration of Salmon Passing Through the Stamp Falls Fishway on the Somass River System, 1986 Through 1989 written by S. R. Heizer and published by . This book was released on 1991 with total page 55 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1984, a key streams program was initiated to monitor BC chinook salmon stocks. Key streams were chosen for extensive study based on the existence of a hatchery to supply juvenile chinook salmon for coded wire tagging; accessibility for field sampling; feasibility of fence operations; geographic locations to other key streams so that different areas of the coast would be represented; and the presence of a relatively large chinook salmon escapement. The Somass River drainage, specifically the Stamp River, was selected as a key stream and a study was begun in 1984 to estimate escapement of chinook salmon to the Somass River system. This report documents salmon spawning escapements passing through the Stamp Falls fishway from 1986-89. The estimates were made by video in 1986 and 1987, by a combination of video and visual in 1988, and by visual alone in 1989. Mark incidence and sex composition data were taken as well.
Book Synopsis Water Temperature, Water Level, and Adult Sockeye Salmon Migration Observations in Auke Creek, Alaska by : H. W. Stiff
Download or read book Water Temperature, Water Level, and Adult Sockeye Salmon Migration Observations in Auke Creek, Alaska written by H. W. Stiff and published by . This book was released on 2019 with total page 157 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Out-Migration Survival of Wild Chinook Salmon (Oncorhynchus Tshawytscha) Smolts from Mill Creek Through the Sacramento River During Drought Conditions by : Jeremy Notch
Download or read book Out-Migration Survival of Wild Chinook Salmon (Oncorhynchus Tshawytscha) Smolts from Mill Creek Through the Sacramento River During Drought Conditions written by Jeremy Notch and published by . This book was released on 2017 with total page 87 pages. Available in PDF, EPUB and Kindle. Book excerpt: Once emerged from the gravel after being spawned in natal streams, Chinook salmon spend many months rearing and growing in freshwater before undergoing smoltification and out-migrating to the ocean. This relatively short period of time is considered to be the most vulnerable and dangerous phase in the life cycle of a Pacific salmon. It is during this phase when smolts navigate around many anthropogenic structures and experience environmental stressors while making their way to the ocean. In California's Central Valley, the few remaining wild populations of Chinook salmon (Oncorhynchus tshawytscha) out-migrate through a highly modified riverine and estuary landscape characterized by leveed banks, altered flow and temperature regimes, transformed food webs, and limited floodplain and rearing habitat. Juvenile salmon smolts migrate through these landscapes within a relatively short period of time, requiring them to quickly adapt to changing water conditions and habitat types. Understanding the survival rates of wild smolts from source tributaries to the Pacific Ocean is essential in protecting and restoring these populations from the low abundances currently observed. When faced with drought conditions out-migrating smolts experience low flows, elevated water temperatures and high densities of predators while out-migrating to sea. In order to assess smolt survival during drought conditions in late spring (April-May), 304 wild smolts were acoustically tagged and tracked from Mill Creek (Tehama County) to the Pacific Ocean between 2013 and 2016. Total outmigration survival to the ocean was 0.3% during these years, with only one fish making it to the Golden Gate and the Pacific Ocean. These survival estimates are some of the lowest ever recorded for salmon out-migrating to the Pacific Ocean, with much of the mortality occurring within Mill Creek and the Sacramento River. Cumulative survival through Mill Creek (rkm 452--441) was 68% (+/-12 S.E.), and cumulative survival through the Sacramento River (rkm 441--203) was 7.6% (+/- 16 S.E.) These low survival rates are likely attributed to low flows in Mill Creek and the Sacramento River resulting from critically dry winters between 2013 and 2015, which were reduced even further by water diversions for agriculture in both Mill Creek and the Sacramento River. During periods of higher flow in 2016 survival rates dramatically increased, suggesting that more water in Mill Creek and the Sacramento River is necessary to improve in-river smolt migration survival during the late spring.
Book Synopsis Winter-Run Chinook Salmon in the Sacramento River, California, with Notes on Water Temperature Requirements at Spawning (Classic Reprint) by : Daniel W. Slater
Download or read book Winter-Run Chinook Salmon in the Sacramento River, California, with Notes on Water Temperature Requirements at Spawning (Classic Reprint) written by Daniel W. Slater and published by Forgotten Books. This book was released on 2018-02-09 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Winter-Run Chinook Salmon in the Sacramento River, California, With Notes on Water Temperature Requirements at Spawning Since water of Battle Creek, on which Cole man Hatchery is located, is too warm for winter-run fish, those trapped at Keswick Dam (table 2) are now hauled to Spawning areas in the main Sacramento River down stream from Redding; no other suitable water is available for them. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Book Synopsis Effects of Hyporheic Exchange Flows on Egg Pocket Water Temperature in Snake River Fall Chinook Salmon Spawning Areas by :
Download or read book Effects of Hyporheic Exchange Flows on Egg Pocket Water Temperature in Snake River Fall Chinook Salmon Spawning Areas written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The development of the Snake River hydroelectric system has affected fall Chinook salmon smolts by shifting their migration timing to a period (mid- to late-summer) when downstream reservoir conditions are unfavorable for survival. Subsequent to the Snake River Chinook salmon fall-run Evolutionary Significant Unit being listed as Threatened under the Endangered Species Act, recovery planning has included changes in hydrosystem operations (e.g., summer flow augmentation) to improve water temperature and flow conditions during the juvenile Chinook salmon summer migration period. In light of the limited water supplies from the Dworshak reservoir for summer flow augmentation, and the associated uncertainties regarding benefits to migrating fall Chinook salmon smolts, additional approaches for improved smolt survival need to be evaluated. This report describes research conducted by the Pacific Northwest National Laboratory (PNNL) that evaluated relationships among river discharge, hyporheic zone characteristics, and egg pocket water temperature in Snake River fall Chinook salmon spawning areas. This was a pilot-scale study to evaluate these relationships under existing operations of Hells Canyon Dam (i.e., without any prescribed manipulations of river discharge) during the 2002-2003 water year.
