Fisheries Infosite

FAR 2025/03 Stock assessment of hake (Merluccius australis) off the West Coast South Island (HAK 7) for the 2023โ€“24 fishing year

Filename
FAR-2025-03-Stock-assessment-of-HAK7-for-the-2023-24-fishing-year.pdf

Link to file
FAR-2025-03-Stock-assessment-of-HAK7-for-the-2023-24-fishing-year.pdf (7.2 MB)

Abstract
 This report provides a stock assessment of the west coast South Island stock of hake (HAK 7 off the west coast of New Zealand) up to the end of the 2023–24 fishing year. The index of abundance provided to the model was the west coast South Island Tangaroa trawl survey series and this was combined with fishery and survey age composition data to model the population.
 
Initial spawning stock biomass (SSB) was estimated at 75 480 t (70 830–81 830) with current SSB 47% B0 (34–67% B0). The model was sensitive to assumptions about recent and future year class strengths. If we assume lower recruitment for years after 2017 (at the 2008–2017 level), the current SSB is estimated as 39% B0 (23–50% B0).


Document date
Friday, 14 February 2025
Document type
V 1.3
File format
Adobe PDF
File size
7.2 MB
Reference number
2025/03
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Uploaded from
FAR-2025-03-Stock-assessment-of-HAK7-for-the-2023-24-fishing-year.pdf

Uploaded date
Monday, 17 February 2025

Search tags
AUTHOR: Dunn, A.;

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