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Non-commercial catch estimation of pelagic species in the main Hawaiian Islands

Abstract Number:

3519 

Submission Type:

Contributed Abstract 

Contributed Abstract Type:

Paper 

Participants:

Hongguang Ma (1), Toby Matthews (2)

Institutions:

(1) PIFSC, NOAA Fisheries, Honolulu, Hawaii, (2) PIFSC, NOAA Fisheries, N/A

Co-Author:

Toby Matthews  
PIFSC, NOAA Fisheries

First Author:

Hongguang Ma  
PIFSC, NOAA Fisheries

Presenting Author:

Hongguang Ma  
PIFSC, NOAA Fisheries

Abstract Text:

Survey data and catch estimates from the Hawaii Marine Recreational Fishing Survey (HMRFS) are used to obtain non-commercial catch estimates for six pelagic species in the main Hawaiian Islands. Stock assessments have sought to use HMRFS estimates as strictly non-commercial complements to the reported commercial catch, but HMRFS is known to encounter fishers that sometimes sell their catch. The sold catch should be captured in the mandatory commercial reporting system. In order to provide a wholly non-commercial catch estimate (product of catch rate and fishing effort), catch claimed as unsold in HMRFS was used for catch rate estimation following the approach used for the recent main Hawaiian Islands Deep7 bottomfish stock assessment (Ma et al. 2023). We have collaborated with a working group of the Western Pacific Regional Fishery Management Council to provide non-commercial catch estimate for mahimahi, skipjack tuna, yellowfin tuna, wahoo, blue marlin, and striped marlin. This study will provide catch information for a non-commercial fisheries module in the Stock Assessment and Fishery Evaluation (SAFE) report of the Council's Pelagic Plan Team.

Keywords:

Hawaii Marine Recreational Fishing Survey (HMRFS)|pelagic species|non-commercial catch|fishing effort|catch rate|stock assessment and fishery evaluation (SAFE)

Sponsors:

Survey Research Methods Section

Tracks:

Data Analysis/Modeling

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