22667
Evaluation of Hook and Bait Type on the Catch Rates in the Western North Atlantic Ocean Pelagic Longline Fishery
Evaluation of Hook and Bait Type on the Catch Rates in the Western North Atlantic Ocean Pelagic Longline Fishery
Document
Published / External
4822
Grand Banks Experiments/Northeast Distant Statistical Reporting Area
Project
Completed
2002-07-01
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).
To evaluate the Hook and Bait Type on the Catch Rates in the Western North Atlantic Ocean Pelagic Longline Fishery
Provider: ingentaconnect
Database: ingentaconnect
Content: application/x-research-info-systems
TY - ABST
AU - Foster, Daniel G
AU - Epperly, Sheryan P
AU - Shah, Arvind K
AU - Watson, John W
TI - Evaluation of Hook and Bait Type on the Catch Rates in the Western North Atlantic Ocean Pelagic Longline Fishery
JO - Bulletin of Marine Science
PY - 2012-07-01T00:00:00///
VL - 88
IS - 3
SP - 529
EP - 545
N2 - 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 (<i>Illex</i> spp.) and mackerel bait (<i>Scomber scombrus</i> 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 (<i>Xiphias gladius</i> linnaeus, 1758) and tuna (<i>Thunnus</i> spp.) catch rates. In total, 973,734 hooks were deployed during the study. Individually, circle hooks and mackerel bait significantly reduced both loggerhead [<i>Caretta caretta</i> (linnaeus, 1758)] and leatherback
[<i>Dermochelys coriacea</i> (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 [<i>Prionace glauca</i> (linnaeus, 1758)] , bluefin tuna [<i>Thunnus thynnus</i> (linnaeus, 1758)], and albacore tuna [<i>Thunnus alalunga</i> (bonnaterre, 1788)]. With all hook types,
mackerel bait resulted in a significant decrease in blue shark, bigeye tuna [<i>Thunnus obesus</i> (lowe, 1839)], and albacore tuna, but significantly increased the catch of porbeagle [<i>Lamna nasus</i> (bonnaterre, 1788)] and shortfin mako (<i>Isurus oxyrinchus</i> rafinesque, 1810).
UR - http://www.ingentaconnect.com/content/umrsmas/bullmar/2012/00000088/00000003/art00010
M3 - doi:10.5343/bms.2011.1081
UR - http://dx.doi.org/10.5343/bms.2011.1081
ER -
Theme
bycatch
Theme
catch rete
Theme
protective species
Theme
swordfish
Theme
turtles
Temporal
2002-2003
Spatial
grand banks
Spatial
ned statistical area
Spatial
north atlantic
Stratum
bait type
Stratum
hook type
Journal article
Acrobat Portable Document Format
Published
Author
2012-07-01
Person
Foster, Daniel G
daniel.g.foster@noaa.gov
3209 Frederic Street
Pascagoula
MS
228-762-4591 X 262
228-769-8699
8:00 AM - 4:30 PM CST/CDT
Ground Condition
Range
2002
2003-12-31
2002 AND 2003
Range
2002
2003-12-31
2002 AND 2003
http://dx.doi.org/10.5343/bms.2011.1083
Online Resource
url of Journal
gov.noaa.nmfs.inport:22667
Lee Weinberger
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SysAdmin InPortAdmin
2022-08-09T17:10:58
2021-05-06
Southeast Fisheries Science Center
SEFSC
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USA
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1001
Public
No
2021-05-06
1 Year
2022-05-06