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Author : Linda J. Perry-Plake
Publisher :
ISBN 13 :
Total Pages : 37 pages
Book Rating : 4.:/5 (212 download)
Download or read book Chinook Salmon Escapement in the Gulkana River, 2003-2004 written by Linda J. Perry-Plake and published by . This book was released on 2007 with total page 37 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James William Savereide
Publisher :
ISBN 13 :
Total Pages : 19 pages
Book Rating : 4.:/5 (652 download)
Download or read book Chinook Salmon Escapement in the Gulkana River, 2005-2006 written by James William Savereide and published by . This book was released on 2010 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Linda J. Perry-Plake
Publisher :
ISBN 13 :
Total Pages : 31 pages
Book Rating : 4.:/5 (435 download)
Download or read book Chinook Salmon Escapement in the Gulkana River, 2007-2008 written by Linda J. Perry-Plake and published by . This book was released on 2009 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Linda J. Perry-Plake
Publisher :
ISBN 13 :
Total Pages : 23 pages
Book Rating : 4.:/5 (768 download)
Download or read book Chinook Salmon Escapement in the Gulkana River, 2009 written by Linda J. Perry-Plake and published by . This book was released on 2011 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Brian Daniel Taras
Publisher :
ISBN 13 :
Total Pages : 38 pages
Book Rating : 4.:/5 (584 download)
Download or read book Chinook Salmon Escapement in the Gulkana River, 2002 written by Brian Daniel Taras and published by . This book was released on 2005 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Carol M. Kerkvliet
Publisher :
ISBN 13 :
Total Pages : 70 pages
Book Rating : 4.:/5 (222 download)
Download or read book Anchor River 2003 and 2004 Chinook Salmon and 2004 Coho Salmon Escapement written by Carol M. Kerkvliet and published by . This book was released on 2008 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Scott H. Maclean
Publisher :
ISBN 13 :
Total Pages : 29 pages
Book Rating : 4.:/5 (84 download)
Download or read book Chinook Salmon Escapement and Run Timing in the Gulkana River, 2011-2012 written by Scott H. Maclean and published by . This book was released on 2013 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James William Savereide
Publisher :
ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.:/5 (794 download)
Download or read book Chinook Salmon Escapement in the Gulkana River, 2010 written by James William Savereide and published by . This book was released on 2011 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reports on the estimation of the escapement of Chinook salmon, Oncorhynchus tshawytscha, upstream of the West Fork Gulkana River through the use of a counting tower, which was in operation from May 31 through August 11, 2010.
Author : Corey J. Schwanke
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.:/5 (12 download)
Download or read book Chinook Salmon Escapement and Run Timing in the Gulkana River, 2013-2015 written by Corey J. Schwanke and published by . This book was released on 2016 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Counting tower techniques were used to estimate Chinook salmon Oncorhynchus tshawytscha escapement at the Gulkana River for 2013, 2014 and 2015. The counting tower was located in the mainstem Gulkana River about 2.5 rkm upstream of the West Fork Gulkana River confluence. The counting tower was operational for all 3 years for the entire Chinook salmon run and a portion of the sockeye salmon O. nerka run. The estimated escapement of Chinook salmon was 3,936 (SE = 215; 95% CI = 3,515-4,357) in 2013, 3,478 (SE = 271; 95% CI = 2,947-4,009) in 2014, and 3,738 (SE = 251; 95% CI = 3,246-4,230) in 2015. These numbers do not represent total inriver escapement, just passage above the counting tower site. The date of 50th percentile passage of Chinook salmon varied from 14 July in 2013 to 5 July in 2015. The estimated escapement of sockeye salmon during the counting tower's operational period was 48,024 (SE = 1,834; 95% CI = 44,429-51,619) in 2013, 27,186 (SE = 1,236; 95% CI = 24,763-29,609) in 2014 and 24,624 (SE = 970; 95% CI = 22,723-26,525) in 2015.
Author : Keith A. Pahlke
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (572 download)
Download or read book Abundance of the Chinook Salmon Escapement on the Alsek River in 2003 written by Keith A. Pahlke and published by . This book was released on 2004 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John Aram Der Hovanisian
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.:/5 (68 download)
Download or read book Abundance of the Chinook Salmon Escapement on the Stikine River, 2003 written by John Aram Der Hovanisian and published by . This book was released on 2005 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Corey J. Schwanke
Publisher :
ISBN 13 :
Total Pages : 26 pages
Book Rating : 4.:/5 (114 download)
Download or read book Chinook Salmon Escapement and Run Timing in the Gulkana River, 2016-2018 written by Corey J. Schwanke and published by . This book was released on 2019 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: Counting tower techniques were used to estimate Chinook salmon Oncorhynchus tshawytscha escapement in the Gulkana River during 2016, 2017, and 2018. The counting tower was located in the mainstem Gulkana River about 3.25 rkm upstream of the West Fork Gulkana River confluence. The estimated escapement of Chinook salmon was 1,122 (SE = 166; 95% CI = 796-1,447) in 2016, 3,336 (SE = 309; 95% CI = 2,730-3,942) in 2017, and 5,174 (SE = 344; 95% CI = 4,499-5,848) in 2018. These numbers do not represent total inriver escapement, just passage above the counting tower site. The 2016 estimated escapement of Chinook salmon was the lowest since the inception of the project in 2002, whereas the 2018 estimated escapement was the 2nd highest on record and had the latest run timing. The dates of 25th, 50th, and 75th percentile passage of Chinook salmon have been getting later since the project's inception in 2002. The estimated escapement of sockeye salmon O. nerka during the counting tower's operational period was 26,010 (SE = 1,157; 95% CI = 23,743-28,277) in 2016, 20,492 (SE = 927; 95% CI = 18,675-22,309) in 2017, and 12,436 (SE = 540; 95% CI = 11,377-13,494) in 2018. The partial sockeye salmon escapement estimate in 2018 was the 2nd lowest since the inception of this project in 2002.
Author : Todd R. LaFlamme
Publisher :
ISBN 13 :
Total Pages : 26 pages
Book Rating : 4.:/5 (392 download)
Download or read book Creel and Escapement Estimates for Chinook Salmon on the Gulkana River, 1996 written by Todd R. LaFlamme and published by . This book was released on 1997 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Tracy R. Hansen
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (135 download)
Download or read book Chinook Salmon Escapement and Run Timing in the Gulkana River, 2019-2021 written by Tracy R. Hansen and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Counting tower techniques were used to estimate Chinook salmon Oncorhynchus tshawytscha escapement in the Gulkana River during 2019, 2020, and 2021. The counting tower was located on the mainstem Gulkana River about 3.25 river kilometers upstream of the West Fork Gulkana River confluence. The estimated escapement of Chinook salmon was 8,400 (SE = 436; 95% CI = 7,546–9,254) in 2019, 2,504 (SE = 216; 95% CI = 2,080–2,928) in 2020, and 3,402 (SE = 273; 95% CI = 2,867–3,937) in 2021. These numbers do not represent total inriver escapement, just escapement above the counting tower site. The 2019 estimated escapement of Chinook salmon was the highest on record since the inception of the project in 2002, whereas the 2020 and 2021 estimated escapements were below the average for the years 2002–2018. The dates of the 25th, 50th, and 75th percentile of cumulative passage of Chinook salmon past the Gulkana River counting tower have been getting later since the project’s inception in 2002. The estimated escapement of sockeye salmon O. nerka during the counting tower’s operational period was 20,850 (SE = 661; 95% CI = 19,555–22,145) in 2019, 13,500 (SE = 574; 95% CI = 12,375–14,625) in 2020, and 13,924 (SE = 711; 95% CI = 12,531–15,317) in 2021. Counting tower operations were extended during 2019–2021 to enumerate more of the sockeye salmon return.
Author : Jan L. Weller
Publisher :
ISBN 13 :
Total Pages : 94 pages
Book Rating : 4.:/5 (319 download)
Download or read book Estimation of the Escapement of Chinook Salmon in the Unuk River in 2003 written by Jan L. Weller and published by . This book was released on 2004 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Tracy R. Hansen
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (133 download)
Download or read book Gulkana River Chinook Salmon Escapement Estimation, 2022-2026 written by Tracy R. Hansen and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Objectives of this study are to estimate the spawning escapement and run timing of Chinook salmon Oncorhynchus tshawytscha in an index area of the Gulkana River using counting tower methodology. In addition, sockeye salmon O. nerka escapement at the tower site will be estimated during the period of tower operation. The number of Chinook salmon and sockeye salmon passing the tower site will be estimated by visually counting fish as they pass 2 counting towers located approximately 2.5 km upstream of the confluence of the West Fork. Ten-minute visual counts will be conducted for each river channel every hour, 24 hours per day, 7 days per week. The abundance estimates will be stratified by day. Because counts are planned for all hours, daily estimates of abundance will be a single-stage direct expansion from the 10 min counting periods. The count schedule will start prior to the beginning of the Chinook salmon run, approximately 3 June, and continue until after 10 August when the run is complete. Tower operations may be extended to a later date to enumerate more of the sockeye salmon run if funding is provided by Prince William Sound Aquaculture Corporation.
Author : Keith A. Pahlke
Publisher :
ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.:/5 (66 download)
Download or read book Escapements of Chinook Salmon in Southeast Alaska and Transboundary Rivers in 2003 written by Keith A. Pahlke and published by . This book was released on 2005 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
