Evaluation of Hook and Bait Type on the Catch Rates in the Western North Atlantic Ocean Pelagic Longline Fishery

Southeast Fisheries Science Center
Document (DOC) | ID: 22667 | Published / External
Created: 2014-11-24   |   Last Modified: 2024-06-14

Parent: Grand Banks Experiments/Northeast Distant Statistical Reporting Area
Project (PRJ) | ID: 4822

ID: 22667
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* » Title Evaluation of Hook and Bait Type on the Catch Rates in the Western North Atlantic Ocean Pelagic Longline Fishery
Short Name Evaluation of Hook and Bait Type on the Catch Rates in the Western North Atlantic Ocean Pelagic Longline Fishery
* Status Completed
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• Publication Date 2002-07-01
* » Abstract

Research was conducted in 2002 and 2003 by NOAA's National Marine Fisheries Service, Southeast Fisheries Science Center, to investigate changes in hook design and bait type to reduce the bycatch of sea turtles on pelagic longlines in the western North Atlantic Ocean. The effectiveness of 18/0-20/0 circle hooks and 10/0 Japanese tuna hooks with squid (Illex spp.) and mackerel bait (Scomber scombrus Linnaeus, 1758) was evaluated against the industry standard 9/0 J-hooks with squid bait with respect to reducing sea turtle and shark interactions while maintaining swordfish (Xiphias gladius Linnaeus, 1758) and tuna (Thunnus spp.) catch rates. In total, 973,734 hooks were deployed during the study. Individually, circle hooks and mackerel bait significantly reduced both loggerhead [Caretta caretta (Linnaeus, 1758)] and leatherback [Dermochelys coriacea (Vandelli, 1761)] sea turtle bycatch. The combination of 18/0 circle hooks with mackerel bait was even more effective for loggerhead sea turtles and had a significant increase in swordfish catch by weight. The combination 18/0 circle hooks with squid bait resulted in a significant decrease in the swordfish catch and a significant increase in the catch rate of blue shark [Prionace glauca (Linnaeus, 1758)], bluefin tuna [Thunnus thynnus (Linnaeus, 1758)1, and albacore tuna [Thunnus alalunga (Bonnaterre, 1788)]. With all hook types, mackerel bait resulted in a significant decrease in blue shark, bigeye tuna [Thunnus obesus (Lowe, 1839)], and albacore tuna, but significantly increased the catch of porbeagle [Lamna nasus (Bonnaterre, 1788)] and shortfin mako (Isurus oxyrinchus Rafinesque, 1810).
* Purpose

To evaluate the Hook and Bait Type on the Catch Rates in the Western North Atlantic Ocean Pelagic Longline Fishery
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Other Citation Details

Authors: Epperly, Sheryan P; Watson, John W; Foster, Daniel G; Shah, Arvind K

Source: Bulletin of Marine Science, Volume 88, Number 3, July 2012, pp. 513-527(15)

Publisher: University of Miami - Rosenstiel School of Marine, Atmospheric & Earth Science

DOI: https://doi.org/10.5343/bms.2011.1083
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DOI (Digital Object Identifier) 10.5343/bms.2011.1083
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Keywords

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Thesaurus Keyword
World Register of Marine Species (WoRMS) Dermochelys
World Register of Marine Species (WoRMS) Thunnus
World Register of Marine Species (WoRMS) Xiphias gladius
None bycatch
None catch rete
None protective species
None swordfish
None turtles
   
   
   

Temporal Keywords

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None 2002-2003
   
   
   

* Spatial Keywords

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None grand banks
None ned statistical area
None north atlantic
   
   
   

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Thesaurus Keyword
None bait type
None hook type
   
   
   

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* » Support Role Author
* » Date Effective From 2012-07-01
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Person Foster, Daniel G
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Person Epperly, Sheryann
Email Address epperlychester@gmail.com
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Person Beerkircher, Larry
Address 75 Virginia Beach Drive
Miami, FL 33149
Email Address lawrence.r.beerkircher@noaa.gov
Phone 305-361-4290
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* » Start 2002
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2002 AND 2003

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* » Start 2002
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2002 AND 2003

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URL http://dx.doi.org/10.5343/bms.2011.1083
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Catalog Details

Catalog Item ID 22667
Metadata Record Created By Lee M Weinberger
Metadata Record Created 2014-11-24 14:27+0000
Metadata Record Last Modified By Lee M Weinberger
» Metadata Record Last Modified 2024-06-14 13:53+0000
Metadata Record Published 2024-06-14
Owner Org SEFSC
Metadata Publication Status Published Externally
Do Not Publish? N
Metadata Workflow State Published / External
Metadata Last Review Date 2021-05-06
Metadata Review Frequency 1 Year
Metadata Next Review Date 2022-05-06
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