This report documents stock assessment modelling carried out for the northeastern New Zealand snapper stock (SNA 1) during 2022 and 2023.
The 2022 SNA 1 assessment conclusions were sensitive to what catches were assumed to have been taken before 1968. This uncertainty was reduced in the 2023 SNA 1 assessment by starting the models in 1968.
The 2023 east Northland assessment predicted the sub-stock to be at 38% of virgin (unfished) biomass in the 2021–22 fishing-year. Model five-year projections predicted the sub-stock would slowly decline.
The 2023 Hauraki Gulf/Bay of Plenty assessment showed that over-fishing was unlikely to have been occurring. Five-year projections predicted that there was 0.00% probability of over-fishing occurring between 2023 and 2027.
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