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Service Description: Relative abundance anaylysis for Atlantic sharpnose shark, blacknose shark, and blacktip shark. 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 from 2001 to 2018 as part of bottom longline surveys conducted by National Marine Fisheries Service. Catch per unit effort (CPUE) is the number of fish caught per 100-hook hour.

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

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• NMFS_Bottom_Longline_CARCHARHINUS_ACRONOTUS_by_15SQGrid (0)
• NMFS_Bottom_Longline_CARCHARHINUS_LIMBATUS_by_15SQGrid (1)
• NMFS_Bottom_Longline_RHIZOPRIONODON_TERRAENOVAE_by_15SQGrid (2)

Description: Relative abundance anaylysis for Atlantic sharpnose shark, blacknose shark, and blacktip shark. 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 from 2000 to 2009 as part of bottom longline surveys conducted by National Marine Fisheries Service. Catch per unit effort (CPUE) is the number of fish caught per 100-hook hour.

Copyright Text: David Hanisko, National Marine Fisheries Service

Spatial Reference: 102100  (3857)


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YMin: 3024249.1689034263
XMax: -8650496.455139088
YMax: 4007933.9166533845
Spatial Reference: 102100  (3857)

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YMin: 2845068.8567223013
XMax: -9072538.499629548
YMax: 3567983.455974561
Spatial Reference: 102100  (3857)

Units: esriMeters

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Document Info:

Title: Relative Abundance for Atlantic Sharpnose Shark, Blacknose Shark, Blacktip Shark - Gulf of Mexico - NMFS 2001-2018
Author: National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
Comments: Relative abundance anaylysis for Atlantic sharpnose shark, blacknose shark, and blacktip shark. 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 from 2001 to 2018 as part of bottom longline surveys conducted by National Marine Fisheries Service. Catch per unit effort (CPUE) is the number of fish caught per 100-hook hour.
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Keywords: Atlantic sharpnose shark,Rhizoprionodon terraenovae,blacknose shark,Carcharhinus acronotus,blacktip shark,Carcharhinus limbatus,bottom longline,abundance,NMFS,fisheries independent
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