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Anatomy of a Population at Risk: Current Status of Okanagan River Sockeye (Oncorhynchus nerka) the Last Surviving Stock of Anadromous Salmon in Canadian Waters of the Columbia River Basin (in Proc. Conference Biology & Management of Species and Habitats at Risk) Hyatt, K.D.
1999
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Abstract: Prior to the early 1900s anadromous salmon populations of several species occupied watersheds throughout portions of the Columbia River Basin in both Canada and the United States. Development of dams on the Columbia River and its tributaries to manage water for hydroelectric power generation, flood control and irrigation purposes has resulted in the elimination of many but not all salmon populations returning to upstream portions of the basin. In Canadian portions of the Columbia River Basin, all populations of several species of salmon were extirpated with the notable exception of Okanagan River sockeye salmon (O. nerka). Although not currently listed as endangered, a host of risk factors operate at each of several life history stages to threaten the long-term survival of the last of Canada’s southern transboundary salmon stocks. Examination of growth and survival schedules of Okanagan sockeye in recent decades indicate that incubation and rearing conditions in the Okanagan River and Osoyoos Lake...
 
Hyatt, K.D., Rankin, D.P.; Fryer, J.; Macchin, D.; Hanslit, B.; Johannes, M.. 1999. Anatomy of a Population at Risk: Current Status of Okanagan River Sockeye (Oncorhynchus nerka) the Last Surviving Stock of Anadromous Salmon in Canadian Waters of the Columbia River Basin (in Proc. Conference Biology & Management of Species and Habitats at Risk). Ministry of Environment, Lands and Parks. Proceedings - Conference Biology & Management. Vol. 2
 
Topic: Fish and Fish Habitats
Keywords: Okanagan River, Osoyoos Lake, sockeye salmon, Oncorhynchus nerka, survival, population trends, management, conservation
ISSN:  Scientific Name: Oncorhynchus nerka
ISBN:  English Name: Sockeye Salmon
Other Identifier: University College of the Cariboo
 
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