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Catch Size And Age Of Chinook And Coho Salmon Taken In The Strait Of Georgia Troll Fishery In 1983
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Book Synopsis Catch, Size and Age of Chinook and Coho Salmon Taken in the Strait of Georgia Troll Fishery in 1984 and Comparisons with 1983 Data by : E. A. R. Ball
Download or read book Catch, Size and Age of Chinook and Coho Salmon Taken in the Strait of Georgia Troll Fishery in 1984 and Comparisons with 1983 Data written by E. A. R. Ball and published by Nanaimo, B.C. : Fisheries and Oceans, Canada. This book was released on 1986 with total page 67 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Catch, Size, and Age of Chinook and Coho Salmon Taken in the Strait of Georgia Troll Fishery in 1984 and Comparisons with 1983 Data by : E. W. Carter
Download or read book Catch, Size, and Age of Chinook and Coho Salmon Taken in the Strait of Georgia Troll Fishery in 1984 and Comparisons with 1983 Data written by E. W. Carter and published by . This book was released on 1986 with total page 67 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents the results of the second year of data collected throughthe Strait of Georgia Port Sampling program. Despite the large reduction inthe 1984 troll season and only 40% of the effort expended, catch per uniteffort was higher for both species in 1984. In addition, there was a decrease in the shaker/keeper ratio (lower incidence of shakers) and adramatic increase in size for chinook between 1983 and 1984. Totalinterviewed catch for 1984 was 69% of the 1983 catch.
Book Synopsis Catch, Size, and Age of Chinook and Coho Salmon Taken in the Strait of Georgia Troll Fishery in 1983 by : Canada. Department of Fisheries and Oceans
Download or read book Catch, Size, and Age of Chinook and Coho Salmon Taken in the Strait of Georgia Troll Fishery in 1983 written by Canada. Department of Fisheries and Oceans and published by . This book was released on 1985 with total page 61 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Catch, Size, and Age of Chinook Salmon Taken in the Strait of Georgia Troll Fishery in 1984 and Comparisons With 1983 Data by : Canada. Department of Fisheries and Oceans
Download or read book Catch, Size, and Age of Chinook Salmon Taken in the Strait of Georgia Troll Fishery in 1984 and Comparisons With 1983 Data written by Canada. Department of Fisheries and Oceans and published by . This book was released on 1985 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fishery Bulletin written by and published by . This book was released on 1996 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Size and Age of Chinook and Coho Salmon for Subdivisons of the Strait of Georgia Troll Fishery, 1967 by : A. W. Argue
Download or read book Size and Age of Chinook and Coho Salmon for Subdivisons of the Strait of Georgia Troll Fishery, 1967 written by A. W. Argue and published by . This book was released on 1977 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Size and Age of Chinook and Coho Salmon for Subdivisions of the Strait of Georgia Troll Fishery, 1967 by : Canada. Fisheries and Marine Service. Pacific Region
Download or read book Size and Age of Chinook and Coho Salmon for Subdivisions of the Strait of Georgia Troll Fishery, 1967 written by Canada. Fisheries and Marine Service. Pacific Region and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Report of Meeting - International North Pacific Fisheries Commission by : International North Pacific Fisheries Commission
Download or read book Report of Meeting - International North Pacific Fisheries Commission written by International North Pacific Fisheries Commission and published by . This book was released on 1986 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Annual Report - International North Pacific Fisheries Commission by : International North Pacific Fisheries Commission
Download or read book Annual Report - International North Pacific Fisheries Commission written by International North Pacific Fisheries Commission and published by . This book was released on 1986 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Size and Age of Chinook and Coho Salmon for Subdivisons of the Strait of Georgia Troll Fishery, 1966 by : A. W. Argue
Download or read book Size and Age of Chinook and Coho Salmon for Subdivisons of the Strait of Georgia Troll Fishery, 1966 written by A. W. Argue and published by . This book was released on 1976 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Canadian Technical Report of Fisheries and Aquatic Sciences by :
Download or read book Canadian Technical Report of Fisheries and Aquatic Sciences written by and published by . This book was released on 1994 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Oceanic Abstracts with Indexes written by and published by . This book was released on 1987 with total page 646 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Oceanic Abstracts written by and published by . This book was released on 1987 with total page 738 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Canadian Journal of Fisheries and Aquatic Sciences by :
Download or read book Canadian Journal of Fisheries and Aquatic Sciences written by and published by . This book was released on 1992 with total page 844 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Annual Report for the Year ... by : International North Pacific Fisheries Commission
Download or read book Annual Report for the Year ... written by International North Pacific Fisheries Commission and published by . This book was released on 1984 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Growth and Degree of Maturity of Chinook Salmon in the Ocean by : Willis Horton Rich
Download or read book Growth and Degree of Maturity of Chinook Salmon in the Ocean written by Willis Horton Rich and published by . This book was released on 1925 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Strait of Georgia Chinook and Coho Fishery by : A. W. Argue
Download or read book Strait of Georgia Chinook and Coho Fishery written by A. W. Argue and published by . This book was released on 1983 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: The chinook (Oncorhynchus tshawytscha) and coho (O. kisutch) salmon fishery in the Strait of Georgia, between Vancouver Island and the mainland of British Columbia, is a valuble sport and commercial resource. In an effort to evaluate proposed regulations on sport and commercial fishermen (season closures, size limits, bag limits, etc.), a computer simulation model was developed. The model calculates the abundance and size of the natural and enhanced stocks of chinook and coho for each age-class and evaluates regulatory options by simulating the life history of these fish in half-monthly intervals. Cohorts enter the model as smolts and are followed through natural mortality, emigration out of the Strait of Georgia, fishing mortality, shaking mortality, maturation, and spawning. The major effect of any regulation that reduces catch to one user increases the catch to other users of the resource. Any attempt to increase spawning escapement without regulation of several users simultaneously is destined to failure, and even quite harsh regulations do not double the critical chinook escapement. Finally, it is found that "enhancement" of chinook and coho will lead to a more rapid decline of natural stocks unless regulations are found to reduce overall exploitation rates on these stocks.
