Search results
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OTOLITH-BASED AGEING OF THE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) FOR THE HEARD AND MCDONALD ISLANDS: MODELLING FIXED AND RANDOM READER ERROR USING MULTIPLE READINGS OF A REFERENCE COLLECTION
and were modelled in two stages. In the first stage the frequency of the absolute value of IE, the AIE ... into account logical constraints. This two stage approach makes efficient use of the data since only half ... depend on the readability score of the otolith and its average age and were modelled in two stages ... and negative IE while taking into account logical constraints. This two stage approach makes efficient use ...
Meeting Document : WG-FSA-09/21 : Author(s): S.G. Candy, G.B. Nowara, D.C. Welsford and J.P. McKinlay (Australia)
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OTOLITH-BASED AGEING OF THE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) FOR THE HEARD AND MCDONALD ISLANDS: MODELLING FIXED AND RANDOM READER ERROR USING MULTIPLE READINGS OF A REFERENCE COLLECTION
and were modelled in two stages. In the first stage the frequency of the absolute value of IE, the AIE ... into account logical constraints. This two stage approach makes efficient use of the data since only half ... depend on the readability score of the otolith and its average age and were modelled in two stages ... and negative IE while taking into account logical constraints. This two stage approach makes efficient use ...
Meeting Document : WG-SAM-09/07 : Author(s): S.G. Candy, G.B. Nowara, D.C. Welsford and J.P. McKinlay (Australia)
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Distribution and abundance of Antarctic krill (Euphausia superba) off East Antarctic (30–80°E) in January–March 2006
and abundance of Antarctic krill (Euphausia superba) off East Antarctic (30–80°E) in January–March 2006 Approval ... Distribution and abundance of Antarctic krill (Euphausia superba) off East Antarctic (30–80 ...
Meeting Document : WG-EMM-07/33 : Author(s): T. Jarvis, N. Kelly, E. van Wijk, S. Kawaguchi and S. Nicol (Australia)
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Modifications to the Generalised Yield Model in 2004, version GYM501E.EXE
specifically for the case of surveys observing fish of ages one year younger than the recruitment age ... of surveys observing fish of ages one year younger than the recruitment age and greater. This calculation ... not affect the assessments undertaken in recent years. This paper presents the nature of the error ... at the nominated ‘recruitment age’ (age 4 for toothfish) in each year. The first year in the time series ...
Meeting Document : WG-FSA-04/91 : Author(s): A.J. Constable (Australia)
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Analysis of the krill fishery in Subarea 48.1 considering trawl fishing method used (2010–2016)
in subarea 48.1 by years and small-scale management units, including inter-annual, monthly and inter-vessel ... by years and small-scale management units, including inter-annual, monthly and inter-vessel variability ...
Meeting Document : WG-EMM-17/27 : Author(s): S. Kasatkina S. and L. Boronina
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A summary of the commercial fishery for mackerel icefish Champsocephalus gunnari in Subarea 48.3 during the 1997/98 season
Abstract: During the 1 997198 season, one vessel, Chilean registered stern trawler Betanzos ... hauls. 67% of this catch was taken in just two hauls, confirming the patchy distribution of this species ... . Most of the catch was made up of fish between 22 and 30 cm long. Fish of this size range have ... previously been shown to be ages two and three. The catch of species other than C. gunnari amounted to only ...
Meeting Document : WG-FSA-98/53 : Author(s): G. Parkes, A. King and C. Jones (United Kingdom)
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Seabird interactions with long-lining operations during an exploratory fishing cruise for Dissostichus eleginoides to South Sandwich Islands, Antarctica
present during day hauling operations. No incidental mortality was seen and only one bird was caught ... during day hauling operations. No incidental mortality was seen and only one bird was caught on a hook ...
Meeting Document : SC-CAMLR-XII/BG/08 Rev. 1 : Author(s): Delegations of United Kingdom and Chile
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An updated descriptive analysis of the toothfish (Dissostichus spp.) tagging program in Subareas 88.1 and 88.2 for 2006/07
of the Ross Sea, after 4 years at liberty. Analysis of tag recapture rates suggested some evidence that rates ... , a Patagonian toothfish tagged near Macquarie Island was recaptured in the north of the Ross Sea, after 4 years ...
Meeting Document : WG-FSA-07/40 : Author(s): A. Dunn, S.M. Hanchet and S.L. Ballara (New Zealand)
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Population numbers of fur seals at Prince Edward Island, Southern Ocean
for Prince Edward Island (46°38´S, 37°57´E). Two breeding colonies of Antarctic fur seals were located ... intrinsic rate of natural increase of 13.7% per year, Antarctic fur seals appear to be in the rapid ... rate of natural increase of some 9.5% per year since 1987/88. Author(s): M.N. Bester, P.G. Ryan ... Island (46°38´S, 37°57´E). Two breeding colonies of Antarctic fur seals were located on the south-east ...
Meeting Document : WG-EMM-03/18 : Author(s): M.N. Bester, P.G. Ryan and B.M. Dyer (South Africa)
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Investigation of bias in the mark–recapture estimate of toothfish population size at South Georgia
. The uneven distribution of animals was simulated by adjusting an average movement rate downwards when animals ... . The model incorporates the facility for releases by box over a number of years. The model performed ... the magnitude of the estimated bias to correct the tagging estimate made last year for 48.3, we do conclude ... of animals was simulated by adjusting an average movement rate downwards when animals encountered a high CPUE ...
Meeting Document : WG-FSA-SAM-05/6 Rev. 1 : Author(s): D.J. Agnew, G.P. Kirkwood, J. Pearce and J. Clark (United Kingdom)