Stock assessment of blue cod (Parapercis colias) in BCO 5 using data to 2019 / I.J. Doonan.

By: Doonan, I. J.
Material type: materialTypeLabelBookSeries: New Zealand fisheries assessment report: 2020/14Publisher: Wellington, New Zealand : Fisheries New Zealand, Tini a Tangaroa, 2020Description: 1 online resource.ISBN: 9781990025631.Subject(s): BLUE COD | PARAPERCIS COLIAS | NEW ZEALAND | BLUE COD FISHERIES | FISH STOCK ASSESSMENT | FISH STOCKS | BAYESIAN STATISTICAL DECISION THEORY | STATISTICAL MODELS | ABUNDANCE | LENGTH | AGE COMPOSITION | SEX RATIOSHoldings: ELECTRONIC Online resources: FAR 2020/14 Fisheries Infosite | NIWA document server Summary: Three independent stock assessments using a Bayesian age- and sex-based model were done for Statistical Areas 025, 027, and 030 and these were combined afterwards to produce the stock status for BCO 5. The current spawning stock biomass (SSB) is 36% B0. At the current catch, the projections show the chance of the SSB being over 40% B0 at 29% in 5 years, and 30% in 10 years. Projections using 80% of the current catch result in a 54% chance of being above 40% B0 in 5 years, and 69% in 10 years.
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ELECTRONIC 1 Not for loan 397578

"July 2020."

Three independent stock assessments using a Bayesian age- and sex-based model were done for Statistical Areas 025, 027, and 030 and these were combined afterwards to produce the stock status for BCO 5. The current spawning stock biomass (SSB) is 36% B0. At the current catch, the projections show the chance of the SSB being over 40% B0 at 29% in 5 years, and 30% in 10 years. Projections using 80% of the current catch result in a 54% chance of being above 40% B0 in 5 years, and 69% in 10 years.

ELECTRONIC

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