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Effects Of Modifications To Cod Fishing Pots On Catch Rates Of Pacific Codgadus Macrocephalus March 1999 Study
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Book Synopsis Effects of Modifications to Cod-fishing Pots on Catch Rates of Pacific Cod,(Gadus Macrocephalus, March 1999 Study by : Leslie J. Watson
Download or read book Effects of Modifications to Cod-fishing Pots on Catch Rates of Pacific Cod,(Gadus Macrocephalus, March 1999 Study written by Leslie J. Watson and published by . This book was released on 1999 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Modifications to Cod-fishing Pots on Catch Rates of Pacific Cod (Gadus Macrocephalus) by : Leslie J. Watson
Download or read book Effects of Modifications to Cod-fishing Pots on Catch Rates of Pacific Cod (Gadus Macrocephalus) written by Leslie J. Watson and published by . This book was released on 1998 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Study to Test the Effectiveness of Modifications to Cod-fishing Pots in Reducing Catch Rates for Tanner Crab (Chionoecetes Bairdi) and Maintaining Catch Rates for Pacific Cod (Gadus Macrocephalus) by : Leslie J. Watson
Download or read book A Study to Test the Effectiveness of Modifications to Cod-fishing Pots in Reducing Catch Rates for Tanner Crab (Chionoecetes Bairdi) and Maintaining Catch Rates for Pacific Cod (Gadus Macrocephalus) written by Leslie J. Watson and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Promoting Conservation Through the Improvement of Cod Pots - a Low Impact Fishing Gear and Alternative Harvesting Strategy for Atlantic Cod (Gadus Morhua) in Newfoundland and Labrador by : Phillip Meintzer
Download or read book Promoting Conservation Through the Improvement of Cod Pots - a Low Impact Fishing Gear and Alternative Harvesting Strategy for Atlantic Cod (Gadus Morhua) in Newfoundland and Labrador written by Phillip Meintzer and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Pots are baited fishing gears that are growing in use as a tool for harvesting Atlantic cod (Gadus morhua) in Newfoundland and Labrador (NL). To study how cod behaviours affect pot efficiency, I used underwater video cameras to assess two models of pot deployed in the Fogo Island fishery. Cod made few entry attempts relative to the number of approaches, and only 22% of entry attempts were successful. The majority of approaches, entry attempts, and successful entrances occurred from the down-current direction, and 25% of cod were able to escape following capture. Following video analysis, I made modifications to existing pots, and created a new design. I then collected catch and length data, across five models of pot, over two years, to determine the optimal design for a re-emergent cod fishery in NL. All five pots caught cod effectively, but the new and modified pots caught the most per deployment, and increasing mesh size was effective at reducing the number of undersized fish caught. This thesis demonstrates that modifications can have a substantial impact on catch rates, that potting gear is fundamentally sound, and fishermen can select a pot that is most appropriate to their needs.
Book Synopsis Spatial and Temporal Distribution and Relative Abundance of Pacific Cod (Gadus Macrocephalus) Larvae in the Western Gulf of Alaska by : William C. Rugen
Download or read book Spatial and Temporal Distribution and Relative Abundance of Pacific Cod (Gadus Macrocephalus) Larvae in the Western Gulf of Alaska written by William C. Rugen and published by . This book was released on 1988 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Estimation of the Fecundity of Pacific Cod (Gadus Macrocephalus) by : Foucher, R. P
Download or read book Estimation of the Fecundity of Pacific Cod (Gadus Macrocephalus) written by Foucher, R. P and published by Nanaimo, B.C. : Fisheries and Oceans, Canada. This book was released on 1990 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pacific Cod Community Development Quota Fishery Development for Amendment 109 to the Fishery Management Plan for Groundfish of the Bering Sea and Aleutian Islands Management Area by : Sarah Marrinan
Download or read book Pacific Cod Community Development Quota Fishery Development for Amendment 109 to the Fishery Management Plan for Groundfish of the Bering Sea and Aleutian Islands Management Area written by Sarah Marrinan and published by . This book was released on 2016 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Regulatory Impact Review/Environmental Assessment analyzes proposed management measures that would apply exclusively to Community Development Quota (CDQ) groups and their participants. The measures under consideration include easing or exempting certain regulatory requirements for hook-and-line catcher vessels that do not exceed 46 feet length overall, in order to promote harvest opportunities for groundfish CDQ, in particular, Pacific cod (Gadus macrocephalus) CDQ, by small vessels in a directed fishery and/or while fishing CDQ or Individual Fishing Quota Pacific halibut (Hippoglossus stenolepis). The preferred alternative removes the requirement for the operators of these small catcher vessels to obtain and carry a License Limitation Program license, requires registration of vessels fishing under these regulations, reduces observer coverage requirements, and implements new catch accounting requirements to properly account for the harvest of groundfish and halibut and the accrual of halibut prohibited species catch (PSC).
Book Synopsis Investigation of Weight Loss in Pacific Cod (Gadus Macrocephalus) Due to Exsanguination by : Jason R. Gasper
Download or read book Investigation of Weight Loss in Pacific Cod (Gadus Macrocephalus) Due to Exsanguination written by Jason R. Gasper and published by . This book was released on 2011 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Pacific cod (Gadus macrocephalus) are an important groundfish species harvested by longline vessels in the Bering Sea and Aleutian Islands. Exsanguination, or bleeding, is an important processing step at the time of capture to obtain high product quality, including freshness and the visual appearance of fillets. The National Marine Fisheries Service, Alaska Region, is responsible for assessing fishery catch, which is generally a round weight estimate collected prior to any processing, including exsanguination. However, longline vessels present a special situation because exsanguination is required prior to weighing, which may create a bias in round weight estimates due to lost blood weight. This study examines weight loss due to exsanguination by sampling Pacific cod at time intervals of 30 seconds, 1:00 minute, and 1:30 minutes after landing. Study results show that, on average, Pacific cod generally bleed the most during the first 30 seconds with smaller volumes in later time periods. Moreover, the rate of bleeding is dependent on whether the cod is alive at the time of bleeding, whether the cod was bleeding from a wound prior to exsanguination, and the size of the Pacific cod. On average, Pacific cod lost 0.66% of their body weight in 30 seconds and about 1% after 1:30 minutes"--Abstract (p. iii).
Book Synopsis Fishery Management Plan for the Dutch Harbor Subdistrict State-waters and Parallel Pacific Cod Seasons, 2021 by : Asia Beder
Download or read book Fishery Management Plan for the Dutch Harbor Subdistrict State-waters and Parallel Pacific Cod Seasons, 2021 written by Asia Beder and published by . This book was released on 2020 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Dutch Harbor Subdistrict (DHS) state-waters Pacific cod Gadus macrocephalus season is prosecuted in state waters of the Aleutian Islands District east of 170°W long and state waters of the Bering Sea District west of 162°30′W long and south of 55°30′N lat, and is closed to fishing south of 53°06.11′N lat. Legal gear for the state-waters season includes pot and mechanical jig. The 2021 guideline harvest level season for pot gear is 27,292,000 pounds, which is 10% of the estimated Pacific cod acceptable biological catch for the federal Bering Sea Subarea. The guideline harvest level for mechanical jigging machines is 100,000 pounds. The Alaska Department of Fish and Game also manages a parallel Pacific cod season in the Dutch Harbor Subdistrict concurrent with adjacent federal Pacific cod seasons, except where a state-waters Pacific cod season is open. Harvest in the parallel season accrues toward the federal Pacific cod total allowable catch.
Book Synopsis Standardized Landings Statistics for Pacific Cod (Gadus Macrocephalus), and Important Shelf Co-habitants from Off Southwest Vancouver Island, and from Queen Charlotte Sound and Hecate Strait, 1956-85 by : R. P. Foucher
Download or read book Standardized Landings Statistics for Pacific Cod (Gadus Macrocephalus), and Important Shelf Co-habitants from Off Southwest Vancouver Island, and from Queen Charlotte Sound and Hecate Strait, 1956-85 written by R. P. Foucher and published by . This book was released on 1987 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fishery Management Plan for the Chignik Area State-waters Pacific Cod Season, 2018 by : Natura Richardson
Download or read book Fishery Management Plan for the Chignik Area State-waters Pacific Cod Season, 2018 written by Natura Richardson and published by . This book was released on 2017 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document provides an overview of regulations effective for the 2018 Chignik Area state-waters Pacific cod Gadus macrocephalus season. The 2018 Chignik Area state-waters Pacific cod season for pot gear is scheduled to open 7 days after closure of the Central Gulf of Alaska (CGOA) federal/parallel Pacific cod pot sector A season or March 1, whichever is later. The 2018 Chignik Area state-waters Pacific cod season for jig gear is scheduled to open by regulation on March 15. Vessels participating in the state-waters or parallel Pacific cod seasons may not exceed 58 feet in length, and legal gear is limited to pot, mechanical jigging machine, and hand troll. No more than 60 groundfish pots or 5 mechanical jigging machines may be operated from a vessel. The 2018 Chignik Area state-waters season Pacific cod guideline harvest level (GHL) is 1,565,982 pounds. Pot gear vessels are allocated 90% of the total GHL (1,409,384 pounds); jig gear vessels are allocated 10% of the total GHL (156,598 pounds).
Book Synopsis Numbers Landed-at-age and Associated Standardized Landing Statistics for Pacific Cod (Gadus Macrocephalus) from Important Area-time Cells Off Southwest Vancouver Island, and in Queen Charlotte Sound and Hecate Strait, 1956-82 by :
Download or read book Numbers Landed-at-age and Associated Standardized Landing Statistics for Pacific Cod (Gadus Macrocephalus) from Important Area-time Cells Off Southwest Vancouver Island, and in Queen Charlotte Sound and Hecate Strait, 1956-82 written by and published by . This book was released on 1984 with total page 59 pages. Available in PDF, EPUB and Kindle. Book excerpt: Canada-U.S. landings (tonnes and numbers-at-age) and standardizedeffort have been compiled for pacific cod (Gadus macrocephalus)from important area-time cells off southwest Vancouver Island,and in Queen Charlotte Sound and Hecate Strait. Landingstatistics and age compositions were based on detailed recordsfrom Canadian interviewed landings. Age compositions werederived from length-frequency samples. The method is describedfor selecting the representative area-time cell, in each region,from which the representative LPUEs (landing per unit effort) arederived.
Book Synopsis Fishery Management Plan for the Chignik Area State-waters Pacific Cod Season, 2023 by : Cassandra J. Whiteside
Download or read book Fishery Management Plan for the Chignik Area State-waters Pacific Cod Season, 2023 written by Cassandra J. Whiteside and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document provides an overview of regulations effective for the 2023 Chignik Area state-waters Pacific cod Gadus macrocephalus season. The 2023 Chignik Area state-waters Pacific cod season for pot gear is scheduled to open 7 days after closure of the Central Gulf of Alaska federal/parallel Pacific cod pot sector A season or March 1, whichever is later. The 2023 Chignik Area state-waters Pacific cod season for jig gear is scheduled to open by regulation on March 15. Vessels participating in the state-waters Pacific cod seasons may not exceed 58 feet in length, and legal gear is limited to pot, mechanical jigging machine, and hand troll. No more than 60 groundfish pots or 5 mechanical jigging machines may be operated from a vessel. The 2023 Chignik Area state-waters season Pacific cod guideline harvest level (GHL) is 2,860,744 pounds. Pot gear vessels are allocated 90% of the total GHL (2,574,670 pounds); jig gear vessels are allocated 10% of the total GHL (286,074 pounds).
Book Synopsis Standardized Landing Statistics for Pacific Cod (Gadus Macrocephalus) and Important Shelf Co-habitants from Hecate Strait, Queen Charlotte Sound, and Off Southwest Vancouver Island, 1956-1982 by : Foucher, R. P
Download or read book Standardized Landing Statistics for Pacific Cod (Gadus Macrocephalus) and Important Shelf Co-habitants from Hecate Strait, Queen Charlotte Sound, and Off Southwest Vancouver Island, 1956-1982 written by Foucher, R. P and published by Nanaimo, B.C. : Fisheries and Oceans, Canada. This book was released on 1984 with total page 47 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Fisheries Research Board of Canada Publisher :nanaimo, b.c. : biological station, fisheries research board of canada ISBN 13 : Total Pages :27 pages Book Rating :4.:/5 (681 download)
Book Synopsis Length Composition of Pacific Cod (Gadus Macrocephalus) in Landings by Canadian Trawlers 1951-66 by : Fisheries Research Board of Canada
Download or read book Length Composition of Pacific Cod (Gadus Macrocephalus) in Landings by Canadian Trawlers 1951-66 written by Fisheries Research Board of Canada and published by nanaimo, b.c. : biological station, fisheries research board of canada. This book was released on 1967 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Landing Statistics and Age Compositions for Pacific Cod (Gadus Macrocephalus) from Queen Charlotte Sound, 1956-81 by : R. P. Foucher
Download or read book Landing Statistics and Age Compositions for Pacific Cod (Gadus Macrocephalus) from Queen Charlotte Sound, 1956-81 written by R. P. Foucher and published by . This book was released on 1983 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Canada. Department of Fisheries and Oceans Publisher :Nanaimo, B.C. : Fisheries and Oceans, Canada ISBN 13 : Total Pages :84 pages Book Rating :4.:/5 (247 download)
Book Synopsis Stock Assessment of Pacific Cod (Gadus Macrocephalus) in Georgia and Juan de Fuca Straits, 1954-84 by : Canada. Department of Fisheries and Oceans
Download or read book Stock Assessment of Pacific Cod (Gadus Macrocephalus) in Georgia and Juan de Fuca Straits, 1954-84 written by Canada. Department of Fisheries and Oceans and published by Nanaimo, B.C. : Fisheries and Oceans, Canada. This book was released on 1987 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
