Download or read book Lengths and Ages of Chinook Salmon Taken in the British Columbia Troll Fishery and the Fraser River Gillnet Fishery in 1964 written by E. A. R. Ball and published by . This book was released on 1968 with total page 143 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 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 Lengths and Ages of Chinook Salmon Taken in the British Columbia Troll Fishery and the Fraser River Gillnet Fishery in 1966 written by E. A. R. Ball and published by . This book was released on 1968 with total page 143 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Lengths and Ages of Chinook Salmon Taken in the British Columbia Troll Fishery and the Fraser River Gillnet Fishery in 1965 written by E. A. R. Ball and published by . This book was released on 1968 with total page 143 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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 Pacific Salmon and the High Seas Salmon Fisheries of Japan written by R. A. Fredin and published by . This book was released on 1977 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Canadian Bulletin of Fisheries and Aquatic Sciences written by and published by . This book was released on 1979 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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 Canadian Journal of Fisheries and Aquatic Sciences written by and published by . This book was released on 1981 with total page 1200 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Review of the Fisheries Research Board of Canada written by Fisheries Research Board of Canada and published by . This book was released on 1967 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Review of the Fisheries Research Board of Canada written by and published by . This book was released on 1966 with total page 676 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Lengths and Ages of Chinook Salmon Taken in the British Columbia Troll Fishery in 1969 written by E. A. R Ball and published by . This book was released on 1970 with total page 101 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book LENGTHS AND AGES OF CHINOOK SALMON TAKEN IN THE BRITISH COLUMBIA TROLL FISHERY IN 1967 written by and published by . This book was released on 1983 with total page 79 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Lengths and Ages of Chinook Salmon Taken in the British Columbia Troll Fishery in 1968 written by E.A.R. Ball and published by . This book was released on 1969 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Review written by Fisheries Research Board of Canada and published by . This book was released on 1966 with total page 920 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Annual Report and Investigators Summaries written by Fisheries Research Board of Canada. Biological Station (Nanaimo, B.C.) and published by . This book was released on 1967 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Sizes and Ages of Chinook Oncorhynchus Tshawytscha and Coho O Kisutch Salmon in the British Columbia Troll Fisheries 1952 1959 and the Fraser River Gill net Fishery 1956 1959 written by D. J. Milne and published by . This book was released on 1964 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: