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.

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:

Download or read book A Progress Summary of the Strait of Georgia written by and published by . This book was released on 1965 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

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:

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:

Download or read book Origin and Migration of Washington s Chinook and Coho Salmon written by Samuel G. Wright and published by . This book was released on 1968 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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:

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:

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.

Download or read book Results of a Marine Recreational Chinook and Coho Catch and Release Mortality Study Conducted in the Lower Strait of Georgia During 2001 written by Canada. Dept. of Fisheries and Oceans and published by Nanaimo, B.C. : Fisheries and Oceans Canada. This book was released on 2002 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book An Optimization Model of British Columbia s Georgia Strait Chinook and Coho Salmon Fishery written by Michael James Staley and published by . This book was released on 1978 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Management of Marine Fisheries in Canada written by L. S. Parsons and published by NRC Research Press. This book was released on 1993 with total page 796 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes and evaluates the impact of the major changes in the management of Canada's marine fisheries in recent decades. The report covers the historical and jurisdictional context; biological and economic aspects; objectives of fisheries management; techniques of resources management in general and those used for specific species; managing the common property through allocation of access, limited entry licensing, and individual quotas; the international dimension; the social dimension; habitat management; fisheries enforcement; and fisheries management in the United States, Australia, New Zealand, Norway, Iceland, and the European Community.

Download or read book The Chinook and Coho Salmon Fisheries of British Columbia written by D. J. Milne and published by ottawa : queen's printer. This book was released on 1964 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Assessment of Strait of Georgia Sport Fishing Statistics Sport Fishing Regulations and Trends in Chinook Catch Using Creel Survey Data written by Karl Kristofer English and published by Nanaimo, B.C. : Fisheries and Oceans, Canada. This book was released on 1986 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book An Optimization Model of British Columbia s Georgia Strait Chinook and Coho Salmon Fishery written by M. J. (Michael James) Staley and published by 1978.. This book was released on 1978 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Perspectives on Canadian Marine Fisheries Management written by Canada. Department of Fisheries and Oceans and published by NRC Research Press. This book was released on 1993 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: Co-published by: National Research Council of Canada.

Download or read book Results of a Marine Recreational Chinook and Coho Catch and Release Mortality Study Conducted in the Lower Strait of Georgia During 2001 written by R. E. Diewert and published by . This book was released on 2002 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: