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Yukon River Chinook salmon Oncorhynchus tshawytscha are described as having "stream-type" life histories. After emergence from river gravel, juvenile Chinook salmon feed and grow in tributary streams of the Yukon River throughout their first summer, overwinter in freshwater, and usually leave rearing areas for marine waters during the second spring/summer. Previous life history and distribution studies have shown that some age-0 Chinook salmon leave their natal streams and colonize downriver, nonnatal habitats for rearing and overwintering. A pilot study in 2006–2007 documented rearing of Canadian-origin Chinook salmon in downstream U.S. waters. A comprehensive three-year distribution study was funded by the Alaska...
Categories: Publication; Types: Citation; Tags: M1-Fish
Information specific to recreational fisheries in the Yukon Management Area in 2011 and preliminary information for 2012 is presented. Estimates of fishing effort, total catch, and harvest is summarized through the 2011 season. This information is provided to the Alaska Board of Fisheries (board), as well as to the general public and interested parties. Summaries of major fisheries within the area are detailed, including descriptions of the performance of these fisheries, regulatory actions by board, social and biological issues, and descriptions of ongoing research and management activities. The remote waters of the Yukon Management Area supported approximately 10,000 angler days of sport fishing in 2011. Freshwater...
Categories: Publication; Types: Citation; Tags: A1-Fisheries, M1-Fish
Growing interest in the differential responses of glacial and nival rivers to climatic forcing, and in ecological distinctions between the two streamflow regimes, suggests the need for a better comparative understanding of how the annual hydrologic cycle differs with presence or absence of catchment glacial cover. In this study, timing and magnitude characteristics of the average annual hydrographs of five glacierized and four nival catchments in the southwestern Canadian subarctic are empirically identified and compared. Likely effects upon fish habitat are qualitatively assessed, and net fisheries potential is tentatively investigated using taxa richness data. The chief hydrological conclusions at P?
map background search result map search result map Assessment of Coho Salmon from the Kenai River, Alaska, 1997 Selected organic compounds and trace elements in streambed sediments and fish tissues, Cook Inlet Basin, Alaska Movement patterns of radio-tagged adult humpback whitefish in the Upper Tanana River drainage Area management report for the recreational fisheries of Northern Cook Inlet, 2001 and 2002 Isolation between sympatric anadromous and resident threespine stickleback species in Mud Lake, Alaska Stock assessment of late-run Chinook salmon in the Kenai River, 1999-2006 BLIND CREEK CHINOOK SALMON ENUMERATION WEIR, 2007  Chinook Salmon Creel Survey and Inriver Gillnetting Study, Lower Kenai River, Alaska, 2009 Estimates of Chinook Salmon Passage in the Kenai River Using Split-Beam and Dual-Frequency Identification Sonars, 2010 Biotic interactions in temporal trends (1992–2010) of organochlorine contaminants in the aquatic food web of Lake Laberge, Yukon Territory Isolation between sympatric anadromous and resident threespine stickleback species in Mud Lake, Alaska BLIND CREEK CHINOOK SALMON ENUMERATION WEIR, 2007  Chinook Salmon Creel Survey and Inriver Gillnetting Study, Lower Kenai River, Alaska, 2009 Biotic interactions in temporal trends (1992–2010) of organochlorine contaminants in the aquatic food web of Lake Laberge, Yukon Territory Assessment of Coho Salmon from the Kenai River, Alaska, 1997 Stock assessment of late-run Chinook salmon in the Kenai River, 1999-2006 Selected organic compounds and trace elements in streambed sediments and fish tissues, Cook Inlet Basin, Alaska Area management report for the recreational fisheries of Northern Cook Inlet, 2001 and 2002 Movement patterns of radio-tagged adult humpback whitefish in the Upper Tanana River drainage Estimates of Chinook Salmon Passage in the Kenai River Using Split-Beam and Dual-Frequency Identification Sonars, 2010