S7RD01 Description of a simple electronic logbook designed to measure effort in the Gulf of Mexico shrimp fishery
Southeast Fisheries Science Center
Document
(DOC)
| ID: 59791
| Published / External
Created: 2020-05-24
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Last Modified: 2023-10-17
Project (PRJ) | ID: 59714
ID: 59791
Document (DOC)
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* » Title | S7RD01 Description of a simple electronic logbook designed to measure effort in the Gulf of Mexico shrimp fishery |
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* Status | Completed |
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The magnitude and spatial distribution of fishing effort in the Gulf of Mexico penaeid shrimp fishery has been the subject of great contention. Here, we describe a simple and inexpensive electronic logbook (ELB) and algorithms tested to describe the temporal and spatial patterns of fishing effort, based on nothing more than the position of the vessel at 10-min intervals; these algorithms were tested with 788 tows (4,558 h of trawling). On average, the difference between ELB estimates and recorded levels of effort were less than 1%; spatial agreement was also good. On a spatial basis, ELB estimates accounted for more than 84–97% of the variance observed in recorded effort, depending on the grid size used in the analysis. Further, analysis of data from more than 18,000 tows yielded a strong within-trip relationship between catch and effort. This relationship enables accurate allocation of the total landings from a trip to the subareas fished, based on nothing more than trawling times within each subarea fished. Because National Marine Fisheries Service port agents already collect landings on a trip total basis, a large-scale installation of inexpensive (<US$500) ELB units should be able to measure shrimp fishing effort accurately. |
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Gallaway, Benny & Cole, John & Martin, Larry & Nance, James & Longnecker, Michael. (2003). Description of a Simple Electronic Logbook Designed to Measure Effort in the Gulf of Mexico Shrimp Journal North American Journal of Fisheries Management Volume 23, 2003 - Issue 2 |
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DOI (Digital Object Identifier) | DOI:10.1577/1548-8675(2003)023<0581:DOASEL>2.0.CO;2 |
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Format | Acrobat Portable Document Format |
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Status Code | Final |
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* » Date Effective From | 2004 |
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Organization | Southeast Fisheries Science Center (SEFSC) |
Address |
75 Virginia Beach Drive Miami, FL 33149 USA |
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Phone | (305)361-5761 |
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URL | https://www.fisheries.noaa.gov/about/southeast-fisheries-science-center |
Business Hours | 8:00 a.m. - 4:30 p.m. EST |
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Start Date | 2004 |
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End Date | Present |
» Download URL | https://sedarweb.org/docs/wsupp/SEDAR_7REF1.pdf |
Distributor | Southeast Fisheries Science Center (SEFSC) (2004 - Present) |
File Name | SEDAR_7REF1.pdf |
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Catalog Details
Catalog Item ID | 59791 |
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Metadata Record Created By | Lee M Weinberger |
Metadata Record Created | 2020-05-24 12:50+0000 |
Metadata Record Last Modified By | SysAdmin InPortAdmin |
» Metadata Record Last Modified | 2023-10-17 16:12+0000 |
Metadata Record Published | 2020-06-01 |
Owner Org | SEFSC |
Metadata Publication Status | Published Externally |
Do Not Publish? | N |
Metadata Workflow State | Published / External |
Metadata Last Review Date | 2020-06-01 |
Metadata Review Frequency | 1 Year |
Metadata Next Review Date | 2021-06-01 |
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