Relative abundance of yellowfin tuna for the purse seine and handline fisheries operating in the Philippines Moro Gulf (Region 12) and High Seas Pocket #1

Bigelow, Keith; Garvilles, Elaine; Emperua, Laila

doi:10.7289/V5/WP-PIFSC-17-003

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Relative abundance of yellowfin tuna for the purse seine and handline fisheries operating in the Philippines Moro Gulf (Region 12) and High Seas Pocket #1

2017
By Bigelow, Keith ; Garvilles, Elaine ; Emperua, Laila
Series: PIFSC working paper ; WP-17-003

[PDF-1.01 MB]

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Personal Author:

Bigelow, Keith ; Garvilles, Elaine ; Emperua, Laila

Bigelow, Keith ; Garvilles, Elaine ; Emperua, Laila Less -
Corporate Authors:

Pacific Islands Fisheries Science Center (U.S.) ; Western and Central Pacific Fisheries Commission, (13th : 2017 : Rarotonga, Cook Islands),

Pacific Islands Fisheries Science Center (U.S.) ; Western and Central Pacific Fisheries Commission, (13th : 2017 : Rarotonga, Cook Islands), Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; PIFSC (Pacific Islands Fisheries Science Center)

NMFS (National Marine Fisheries Service) ; PIFSC (Pacific Islands Fisheries Science Center) Less -
Description:

Port sampling data were used to estimate effort, catch, CPUE, standardized CPUE, and species composition from the purse seine fishery operating in the southern Philippines (Region 12, SOCCSKSARGEN) and High Seas Pocket #1 and the handline fishery operating in Region 12. A quarterly standardized CPUE index was produced for the purse seine (2005 to 2016) and handline (2004 to 2016) fishery for use in the 2017 WCPFC yellowfin tuna assessment. Standardized CPUE was estimated using Generalized Linear Models (GLMs) and removing effects due to vessel and area (fishing ground). The index for the 2014 assessment used a GLM that predicted monthly CPUE with year, month, and vessel effects. The current index predicted quarterly CPUE with a YR:QTR, Area (fishing ground) and Vessel effects. A combined YR:QTR effect was estimated to be consistent with other fishery CPUE standardization methods used in the assessment. There were 12 Area designations in the database; however, Area was relatively non-informative in the model as fishing trips were dominated by a few areas. [doi:10.7289/V5/WP-PIFSC-17-003 (http://doi.org/10.7289/V5/WP-PIFSC-17-003)]
Content Notes:

Keith Bigelow, Elaine Garvilles, and Laila Emperua.

"Issued 02 August 2017."

"WCPFC-SC13-2017/ SA IP."

System requirements: Adobe Acrobat Reader.
Keywords:

[+]

Catch Effort Fish Stock Assessment Purse Seining Tuna Fisheries Yellowfin Tuna Fisheries
Series:

PIFSC working paper ; WP-17-003
DOI:

http://doi.org/10.7289/V5/WP-PIFSC-17-003
Document Type:

Working Paper
Place as Subject:

Philippines
Rights Information:

Public Domain
Compliance:

Library
Main Document Checksum:

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urn:sha256:535b4c31669f7435859c70f575c9d6aefb09d9bc7cfc37a6621fbc6e8dda7330
Download URL:

https://repository.library.noaa.gov/view/noaa/15632/noaa_15632_DS1.pdf
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Relative abundance of yellowfin tuna for the purse seine and handline fisheries operating in the Philippines Moro Gulf (Region 12) and High Seas Pocket #1

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