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Service Description: The Southeast Fisheries Science Center (SEFSC) Mississippi Laboratories has conducted standardized bottom longline surveys in the Gulf of Mexico, Caribbean Sea, and Western North Atlantic Ocean since 1995. The objective of this longline survey is to provide fisheries independent data for stock assessment for as many species as possible. Relative abundance analysis for gag grouper, red grouper, red snapper, and yellowedge grouper are presented in this map. Relative abundance is expressed in catch per unit effort (CPUE). CPUE by 15-minute longitude by latitude blocks are summarized from 2,964 bottom longline sets taken during NMFS Bottom Longline Surveys from 2001 to 2018. CPUE is expressed as the number caught per 100-hook hour.

Map Name: Fishes - Relative Abundance - Fisheries-Independent Bottom Longline Surveys - Federal

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• NMFS_Bottom_Longline_EPINEPHELUS_MORIO_by_15SQGrid (0)
• NMFS_Bottom_Longline_HYPORTHODUS_FLAVOLIMBATUS_by_15SQGrid (1)
• NMFS_Bottom_Longline_LUTJANUS_CAMPECHANUS_by_15SQGrid (2)
• NMFS_Bottom_Longline_MYCTEROPERCA_MICROLEPIS_by_15SQGrid (3)

Description: Relative abundance analysis for gag grouper, red grouper, red snapper, and yellowedge grouper. Relative abundance is expressed in catch per unit effort (CPUE). CPUE by 15-minute longitude by latitude blocks are summarized from 1,741 bottom longline sets taken during NMFS Bottom Longline Surveys from 2000 to 2009. CPUE is expressed as the number caught per 100-hook hour.

Copyright Text: David Hanisko, National Marine Fisheries Service

Spatial Reference: 102100  (3857)


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XMin: -1.0877290213584915E7
YMin: 3033951.1895595845
XMax: -8830998.621001728
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Spatial Reference: 102100  (3857)

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YMin: 2845068.8567223013
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Spatial Reference: 102100  (3857)

Units: esriMeters

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Document Info:

Title: Relative Abundance for Gag Grouper, Red Grouper, Red Snapper, Yellowedge Grouper - Gulf of Mexico - NMFS Bottom Longline Surveys 2001-2018
Author: National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
Comments: The Southeast Fisheries Science Center (SEFSC) Mississippi Laboratories has conducted standardized bottom longline surveys in the Gulf of Mexico, Caribbean Sea, and Western North Atlantic Ocean since 1995. The objective of this longline survey is to provide fisheries independent data for stock assessment for as many species as possible. Relative abundance analysis for gag grouper, red grouper, red snapper, and yellowedge grouper are presented in this map. Relative abundance is expressed in catch per unit effort (CPUE). CPUE by 15-minute longitude by latitude blocks are summarized from 2,964 bottom longline sets taken during NMFS Bottom Longline Surveys from 2001 to 2018. CPUE is expressed as the number caught per 100-hook hour.
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Keywords: gag grouper,Mycteroperca microlepis,red grouper,Epinephelus morio,red snapper,Lutjanus campechanus,yellowedge grouper,Epinephelus flavolimbatus,bottom longline,SEAMAP,fisheries-independent
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