Assessment of hoki (Macruronus novaezelandiae) in 2003 / R.I.C.C. Francis.

By: Francis, R. I. C. C.
Contributor(s): NIWA Wellington (N.Z.).
Material type: materialTypeLabelBookSeries: New Zealand fisheries assessment report: 2004/15Publisher: Wellington, N.Z. : Ministry of Fisheries, 2004Description: 95 pages : illustration, figures, tables ; 30 cm.ISSN: 1175-1584.Subject(s): STOCK ASSESSMENT | TRAWLING | ECHO SURVEYS | FISHERY SURVEYS | HOKI | MACRURONUS NOVAEZELANDIAE | CHATHAM RISE | COOK STRAIT | NEW ZEALAND | SUBANTARCTIC REGIONSOnline resources: Click here to access online In: New Zealand fisheries assessment reportSummary: A new assessment is presented for hoki. This was similar to the 2002 assessment in using the same program (CASAL), stock hypothesis (two stocks in four fishing grounds), and estimation procedure (Bayesian with lognormal errors, including a distinction between observation and process errors). Three data types were used: biomass indices (from trawl and acoustic surveys), proportions at age and sex (from trawl surveys and the four fisheries), and proportion spawning. Data new to this assessment were from two trawl surveys (Chatham Rise and sub-Antarctic) and one acoustic survey (Cook Strait), and also otolith-based estimates of catch at age from the two non-spawning fisheries.
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Item type Current location Call number Copy number Status Date due Barcode
JOURNAL JOURNAL WELLINGTON
JOURNALS
NO. 2004/15 1 Available J019767

NIWA project HOK2002/01 objective 1

A new assessment is presented for hoki. This was similar to the 2002 assessment in using the same program (CASAL), stock hypothesis (two stocks in four fishing grounds), and estimation procedure (Bayesian with lognormal errors, including a distinction between observation and process errors). Three data types were used: biomass indices (from trawl and acoustic surveys), proportions at age and sex (from trawl surveys and the four fisheries), and proportion spawning. Data new to this assessment were from two trawl surveys (Chatham Rise and sub-Antarctic) and one acoustic survey (Cook Strait), and also otolith-based estimates of catch at age from the two non-spawning fisheries.

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