Stock assessment of smooth oreo in the Southland fishery (part of OEO 1 and 3A).

By: Coburn, R.P.
Contributor(s): Doonan, I.J. (NIWA. Wellington) | McMillan, P.J. (NIWA. Wellington).
Material type: materialTypeLabelBookSeries: New Zealand fisheries assessment report ; 2008/37.Publisher: Wellington, N.Z. : Ministry of Fisheries, 2008Description: 43 p. : ill. , map ; 30 cm.ISSN: 1175-1584.Subject(s): SMOOTH OREOS | STOCK ASSESSMENT | FISHING EFFORT | FISHERY SURVEYS | SOUTHLANDOnline resources: Click here to access online In: New Zealand fisheries assessment reportSummary: The biomass of smooth orea in the Southland fishery (part of OEO 1 & OEO 3A) was estimated with Bayesian methods using a CASAL age-structured model. This is the second assessment of the stock and used 5 extra years of catch and observer length frequency data compared to the previous (2003) analysis. No fishery-independent data are available for this fishery so inputs for the model included catches, pre- and post-GPS standardised CPUE. and observer length frequency data. Model structure was changed from 2003 to incorporate a split of the data into deep and shallow fisheries because of a strong observed relationship between smaller fish in shallow water and large fish in deeper water.
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Item type Current location Call number Copy number Status Date due Barcode
JOURNAL JOURNAL WELLINGTON
JOURNALS
NO. 2008/37 1 Available J09566

includes bibliographical references (p. 13-14).

The biomass of smooth orea in the Southland fishery (part of OEO 1 & OEO 3A) was estimated with Bayesian methods using a CASAL age-structured model. This is the second assessment of the stock and used 5 extra years of catch and observer length frequency data compared to the previous (2003) analysis. No fishery-independent data are available for this fishery so inputs for the model included catches, pre- and post-GPS standardised CPUE. and observer length frequency data. Model structure was changed from 2003 to incorporate a split of the data into deep and shallow fisheries because of a strong observed relationship between smaller fish in shallow water and large fish in deeper water.

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