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Author : Shijie Zhou
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (429 download)
Download or read book Stock and Recruitment Analysis and Escapement Goals for Nehalem River Fall Chinook written by Shijie Zhou and published by . This book was released on 1999 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Shijie Zhou
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (445 download)
Download or read book Escapement Goals for Siletz River and Siuslaw River Fall Chinook Based on Stock and Recruitment Analysis written by Shijie Zhou and published by . This book was released on 2000 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 222 pages
Book Rating : 4.:/5 (7 download)
Download or read book Information Reports written by and published by . This book was released on 1981 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Toshihide Hamazaki
Publisher :
ISBN 13 :
Total Pages : 62 pages
Book Rating : 4.:/5 (828 download)
Download or read book Spawner-recruit Analysis and Escapement Goal Recommendation for Chinook Salmon in the Kuskokwim River Drainage written by Toshihide Hamazaki and published by . This book was released on 2012 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objectives of this report are to: 1) describe the productivity and capacity of the Kuskokwim River Chinook salmon stock, as quantified from stock-recruit analyses, 2) recommend a drainage-wide escapement goal based on this information, and 3) revise escapement goals for selected tributaries.
Author : James William Savereide
Publisher :
ISBN 13 :
Total Pages : 46 pages
Book Rating : 4.:/5 (114 download)
Download or read book Run Reconstruction, Spawner-recruit Analysis, and Escapement Goal Recommendation for Chinook Salmon in the Copper River written by James William Savereide and published by . This book was released on 2018 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: An age-structured state-space spawner–recruit model was fit to estimates of relative and absolute abundance, harvest, and age composition for Copper River Chinook salmon (Oncorhynchus tshawytscha) from 1980 to 2016. Bayesian statistical methods were employed to assess uncertainty in the presence of measurement error, serial correlation, and missing data. Ricker stock-recruit parameters and management reference points were estimated, including the escapement that provides for maximum sustained yield (SMSY). It is recommended that a sustainable escapement goal range of 18,500 to 33,000 fish be adopted for Copper River Chinook salmon. Escapement is evaluated by subtracting estimates of inriver harvest from estimates of inriver abundance. Escapements within this range have a high probability of producing sustainable yields.
Author : Jody Scott White
Publisher :
ISBN 13 :
Total Pages : 49 pages
Book Rating : 4.:/5 (66 download)
Download or read book Nehalem River Fall Chinook Salmon Escapement Indicator Project, 1998-2002 written by Jody Scott White and published by . This book was released on 2003 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David R. Bernard
Publisher :
ISBN 13 :
Total Pages : 47 pages
Book Rating : 4.:/5 (621 download)
Download or read book Optimum Escapement Goals for Chinook Salmon in the Transboundary Alsek River written by David R. Bernard and published by . This book was released on 2010 with total page 47 pages. Available in PDF, EPUB and Kindle. Book excerpt: Escapement goal analyses for stocks of Chinook salmon in the transboundary Alsek River and in one of its tributaries, the Klukshu River, are described. Data and estimates for harvest, inriver run size, harvest rates, relative age composition, and escapements for calendar years 1976 through 2007 are provided.
Author : Steven J. Fleischman
Publisher :
ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.:/5 (993 download)
Download or read book Spawner-recruit Analyses and Escapement Goal Recommendations for Kenai River Chinook Salmon written by Steven J. Fleischman and published by . This book was released on 2017 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: Age-structured state-space spawner-recruit models were fit to 1986-2015 data on abundance, harvest, and age composition for early and late runs of Kenai River Chinook salmon (Oncorhynchus tshawytscha), 75 cm mid eye to tail fork (METF) and longer. Historical annual run abundance, stock recruitment parameters, and fishery management reference points were estimated from these models. Sustainable Escapement Goals of 2,800-5,600 (early run) and 13,500-27,000 (late run) Chinook salmon 75 cm METF and longer are recommended, and their attributes and limitations discussed. Fish 75 cm METF (approximately 33.3 in total length) and longer can be assessed directly by imaging sonar in the Kenai River at river mile 13.7.
Author : Timothy R. McKinley
Publisher :
ISBN 13 :
Total Pages : 71 pages
Book Rating : 4.:/5 (846 download)
Download or read book Run Reconstruction, Spawner-recruit Analysis, and Escapement Goal Recommendation for Early-run Chinook Salmon in the Kenai River written by Timothy R. McKinley and published by . This book was released on 2013 with total page 71 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Nicole J. Szarzi
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.:/5 (183 download)
Download or read book Stock Status and Recommended Escapement Goal for Anchor River Chinook Salmon written by Nicole J. Szarzi and published by . This book was released on 2007 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Steven J. Fleischman
Publisher :
ISBN 13 :
Total Pages : 69 pages
Book Rating : 4.:/5 (84 download)
Download or read book Run Reconstruction, Spawner-recruit Analysis, and Escapement Goal Recommendation for Late-run Chinook Salmon in the Kenai River written by Steven J. Fleischman and published by . This book was released on 2013 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jeffrey L. Estensen
Publisher :
ISBN 13 :
Total Pages : 74 pages
Book Rating : 4.:/5 (319 download)
Download or read book A Summary of Harvest and Escapement Information and Recommendations for Improved Data Collection and Escapement Goals for Unalakleet River Chinook Salmon written by Jeffrey L. Estensen and published by . This book was released on 2006 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report provides a description of the chinook salmon, Oncorhynchus tshawytscha, fisheries in the Unalakleet Area; summarizes available harvest, escapement, age and sex information for returns to the Unalakleet River; and provides recommendations for improved data collection and escapement goals.
Author : Ronald H. Williams
Publisher :
ISBN 13 :
Total Pages : 55 pages
Book Rating : 4.:/5 (2 download)
Download or read book Stock Assessment of Elk River Fall Chinook Salmon for Exploitation Rate Analysis written by Ronald H. Williams and published by . This book was released on 2004 with total page 55 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jim Waldvogel
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.:/5 (318 download)
Download or read book Fall Chinook (Oncorhynchus Tshawytscha) written by Jim Waldvogel and published by . This book was released on 2006 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: Age analysis for 22 years (1980 excluded) showed that the overall percentages for female spawners was 53% (4-year olds), 38% (3-year olds), and 9% (5-year olds). The age composition of male spawners showed a high degree of variability throughout the study. Male chinook of age 2, 3 and 4 were dominant annually, but 5- and 6- year old fish were present in most spawning seasons. All chinook carcasses from which scales were collected were also measured for length (over 120 samples in 22 years). Decreases in mean length were documented for all age classes for each of the El Nino episodes that occurred during the study (1982-1984; 1992-1993; 1997-1998). The decreases in mean length appeared to carry forward for each cohort's age class. The total number of chinook redds was tabulated by counting "fresh" redds during weekly spawning surveys. The mean number of redds was 117 for the 23-year period with a mean of 0.9 redds per adult salmon or 1.8 redds per female.
Author :
Publisher :
ISBN 13 :
Total Pages : 41 pages
Book Rating : 4.:/5 (66 download)
Download or read book Umpqua River Fall Chinook Salmon Escapement Indicator Stock Project, 1998-2002 written by and published by . This book was released on 2003 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. P. Germond
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (245 download)
Download or read book Investigation of Nehalem River Summer Chinook Salmon Stocks written by J. P. Germond and published by . This book was released on 1988 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.:/5 (319 download)
Download or read book Fish and Wildlife Reference Service Newsletter written by and published by . This book was released on 2001 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
