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Fishery characterisation, CPUE analysis and preliminary modelling of gemfish in SKI 3 and SKI 7 / A.D. Langley.

By: Langley, Adam D [author.].
Contributor(s): Fisheries New Zealand (Government agency) [issuing body.].
Material type: materialTypeLabelBookSeries: New Zealand fisheries assessment report: 2020/03Publisher: Wellington : Fisheries New Zealand, Tini a Tangaroa, 2020.Description: 1 online resource : colour illustrations.Content type: text Media type: computer Carrier type: online resourceISBN: 9781990017315.Subject(s): REXEA SOLANDRI | GEMFISH | NEW ZEALAND | STATISTICS | FISHERIES | FISHING EFFORT | FISH STOCK ASSESSMENTHoldings: ELECTRONIC Online resources: FAR 2020/03 | NIWA document server | National Digital Heritage Archive Open Access Summary: The report provides a summary of recent trends in the catch, catch rate and length composition of gemfish from the SKI 3 and SKI 7 commercial fisheries and relevant trawl surveys. Standardised CPUE indices were derived from the gemfish bycatch from west coast South Island hoki fishery. An age structured population model was configured for the southern gemfish stock. The model provides a framework for evaluating the trends in abundance indices and composition data. The report provides recommendations for further development of the model to attain a more comprehensive assessment of stock status.
List(s) this item appears in: New Zealand Fisheries Assessment Report
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Item type Current location Call number Copy number Status Date due Barcode
PDF PDF WELLINGTON
ONLINE
ELECTRONIC 1 Not for loan 396478

"February 2020"

Archived by the National Library of New Zealand in PDF.

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Includes bibliographical references.

The report provides a summary of recent trends in the catch, catch rate and length composition of gemfish from the SKI 3 and SKI 7 commercial fisheries and relevant trawl surveys. Standardised CPUE indices were derived from the gemfish bycatch from west coast South Island hoki fishery. An age structured population model was configured for the southern gemfish stock. The model provides a framework for evaluating the trends in abundance indices and composition data. The report provides recommendations for further development of the model to attain a more comprehensive assessment of stock status.

ELECTRONIC

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