Author: Andrew J. McGregorPublisher:
ISBN:
Category : Escapement (Fisheries)
Languages : en
Pages : 48
Book Description
Crescent Lake Sockeye Salmon Mark-recapture Studies, 1991
Author: Andrew J. McGregorPublisher:
ISBN:
Category : Escapement (Fisheries)
Languages : en
Pages : 48
Book Description
Sustainable Fisheries Management
Author: E. Eric KnudsenPublisher: CRC Press
ISBN: 1439822670
Category : Nature
Languages : en
Pages : 745
Book Description
What has happened to the salmon resource in the Pacific Northwest? Who is responsible and what can be done to reverse the decline in salmon populations? The responsibly falls on everyone involved - fishermen, resource managers and concerned citizens alike - to take the steps necessary to ensure that salmon populations make a full recovery. T
Sockeye Salmon Mark-recapture and Radio Telemetry Studies at McDonald Lake, 2005-2006
Author: Steven C. HeinlPublisher:
ISBN:
Category : Fish populations
Languages : en
Pages : 22
Book Description
Sockeye Salmon Mark-recapture and Radio Telemetry Studies at McDonald Lake in 2007
Author: Steven C. HeinlPublisher:
ISBN:
Category : Fish populations
Languages : en
Pages : 39
Book Description
Mark-recapture Studies of Taku River Adult Sockeye Salmon Stocks
Author: Sockeye Salmon Escapement and Mark-recapture Studies at Larson Lake in 1997
Author: Stan R. CarlsonPublisher:
ISBN:
Category : Escapement (Fisheries)
Languages : en
Pages : 46
Book Description
From July 21 to September 13, 1997, a fish counting weir was operated below the outlet of Larson Lake, a major producer of sockeye salmon (Oncorhynchus nerka) in the Susitna River Watershed. A mark-recapture (M-R) experiment revealed that the type and method of primary and secondary tagging may be critical to success of recovery sampling conducted in spawning grounds.
Mark-recapture Studies of Taku River Adult Sockeye Salmon Stocks from 1998 to 2002
Author: James Everett AndelPublisher:
ISBN:
Category : Fish populations
Languages : en
Pages : 180
Book Description
Annual mark-recapture studies of adult Taku River sockeye salmon (Oncorhyncus nerka) stocks were conducted by the Alaska Department of Fish and Game, the Canadian Department of Fisheries and Oceans and the Taku River First Nation from 1998 to 2002. The objectives of the program were: to provide annual inseason estimates of the inriver abundance of sockeye salmon and to document biological characteristics (migratory timing, migratory rates and age, sex, and size composition) of Taku River sockeye stocks. Marked-to unmarked ratios of salmon harvested in the Canadian inriver gillnet fisheries were used to develop estimates of the inriver abundance of sockeye. During the years 1998 to 2002, an annual averageof 5,349 sockeye salmon were tagged in fish wheels located at Canyon Island, Alaska, of which an average of 1,080 (20.2%) sockeye were subsequently recovered in fisheries or on the spawning grounds.The annual post-season inriver runestimates of sockeye salmon past Canyon Island from 1998 to 2002 was estimated to be 91,548, 113,705, 115,693, 192,269, and 135,233, fish respectively. Annual inriver Canadian commercial, aboriginal and test fisheries combined harvested 19,038, 20,681, 27,942, 47,998, and 31,053 sockeye salmon during those same years (1998 to 2002). The resulting annual spawning escapement estimtes for Taku River sockeye salmon from 1998 to 2002 was 72,271, 95,562, 87,298, 144,071, 103,343, fish respectively.The migratory timing (mean dates and standard deviation of migration) and run timing of the sockeye salmon run was similar to the 15 year average. The Kuthai Lake sockeye salmon stocks dominated the early portion, the Little Trapper Lake the middle portion, and the Tatsamenie Lake and mainstem stocks the late portion of the Taku River sockeye salmon run. Pink fish wheel catches were strong in 1998 and 1999 but below average in 2000 to 2002. Chum salmon fish wheel catches for this 5-year period continued to exhibit the trend of low catches that began in the mid-1980's.
Mark-recapture Studies of Taku River Adult Sockeye Salmon Stocks in 2004
Author: James Everett AndelPublisher:
ISBN:
Category : Fish populations
Languages : en
Pages : 72
Book Description
Annual Report
Author: Pacific Salmon CommissionPublisher:
ISBN:
Category : Pacific salmon fisheries
Languages : en
Pages : 360
Book Description
Bristol Bay Sockeye Salmon Smolt Studies for 1991
Author: Drew L. CrawfordPublisher:
ISBN:
Category : Bristol Bay (Alaska)
Languages : en
Pages : 56
Book Description