Abstract
Salmon enhancement is the process by which wild salmon stocks, often under the possible threat of depletion, are supplemented by controlled hatchery production which is released into rivers, estuaries, or open sea waters, with the goal of supporting or building up these stocks. In most cases, the stocks used are of the same genetic source as the original stock in the system, they mingle with the wild stock, and are caught in the same salmon fishery as that for the wild stocks. Salmon ranching by comparison has been described by Thorpe as ‘an aquaculture system in which juvenile fish are released to grow, unprotected, on natural foods in marine waters, from which they are harvested at marketable size’.(1)
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References
J E Thorpe (ed), Salmon Ranching. 1980, Academic Press. London and New York
Department of Fisheries and Oceans, Government of Canada/Province of British Columbia, Salmonid Enhancement Program Annual Report 1981, Vancouver
Alaska Department of Fish and Game, Division of Fisheries Rehabilitation, Enhancement and Development, 1982 Annual Report to the Alaskan State Legislature, FRED Report Series No. 2, Juneau
MR Gordon, Private Sector Involvement in Pacific Salmon Enhancement. Industry Information Report No. 7, November 1982. B.C. Research Fisheries Technology Division, Vancouver
R M Peterman, Model of salmon cage culture and its use in preseason forecasting and studies of marine survival. Canadian Journal of Fisheries and Aguatic Science. 39, 1982
J McDonald, The stock concept and its application to British Columbia salmon fisheries, Canadian Journal of Fisheries and Aguatic Science. 38. 1981
Further Reading
W J Meil and J E Bailey, Salmon Rancher’s Manual, 1975. Northwest Fisheries Centre, Auka Bay Fisheries Laboratory, Processed Report, National Marine Fisheries Service, NOSA, Alaska
COST 46/4 workshop. Sea Ranching of Atlantic Salmon, Commission of the European Communities 1982
M K Farwell and T R Porter, Atlantic Salmon Enhancement Techniques in Newfoundland, FAO Technical Conference on Aquaculture, 1976.
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© 1987 Susan Shaw and James F. Muir
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Shaw, S., Muir, J.F. (1987). Salmon Enhancement and Ranching. In: Salmon. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-3177-0_4
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DOI: https://doi.org/10.1007/978-94-009-3177-0_4
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