Résultats de la recherche

1. A method for estimating recruitment and mortality from time series of length-density data

   -likelihood function based on one or more cohorts for which their abundance has been estimated in two or more ... years. A worked example is provided in an appendix. Author(s):  A. Constable and I. Ball (Australia ... Abstract:  Estimates of natural mortality are currently unavailable for Patagonian toothfish. Such ... estimates are needed for estimating recruitments and for use in assessing yield. This paper proposes a ...

   Meeting Document : WG-FSA-00/52 : Auteur(s): A. Constable and I. Ball (Australia)

2. ALLOCATING THE PRECAUTIONARY CATCH LIMIT FOR KRILL AMONGST THE SMALL-SCALE MANAGEMENT UNITS IN AREA 48: THE IMPLICATIONS OF DATA UNCERTAINTIES

   Abstract:  Over the past few years WG-EMM has been developing a management procedure for the krill ... - subdivision based on the distribution of historical catches). In recognising the need for a “staged ... candidate methods for subdividing the catch limit and rejected one of them as unsuitable (Option 1 ... of two further options (Option 5- adjustable catch limits within SSMUs and Option 6- structured ...

   Meeting Document : WG-EMM-08/12 : Auteur(s): P.N. Trathan and S.L. Hill (United Kingdom)

3. Rajid by-catch in the longline fishery for toothfish in Subarea 48.3

   Rocks and South Georgia, achieved average catch rates of over 1 ray/thousand hooks, and 20-30 rays ... 34.7/thousand hooks for toothfish and 2.2/thousand hooks for grenadier species. Generalised linear ... models demonstrated that there are significant differences between the catch rates of rays for different ... / thousand toothfish. Catch rates were lowest to the south and east of South Georgia. The two species most ...

   Meeting Document : WG-FSA-99/40 : Auteur(s): D.J. Agnew, J. Taylor and I. Everson (United Kingdom)

4. Australia: Relevant references for the Patagonian toothfish (Dissostichus eleginoides) stock assessment in Division 58.5.2

   quantity of data from a multi-year tagging program on bias and precision of biomass estimates from an ... S.G. Candy (2007) an assessment strategy evaluation framework for testing the Application of a CASAL ... S.G., Constable A.J. (2007) An integrated stock assessment for the Patagonian toothfish (Dissostichus ... S.G., Constable A.J. (2008) An Integrated Stock Assessment for the Patagonian toothfish, Dissostichus ...

   Document : Site Section: Meetings

5. Conservation Measure Conservation Measure 144/XVI (1997)

   0.02E076 46.21 S58 34.60:E076 34.08 S58 47.37:E077 7.06 S59 20.84E076 25.43 S58 20.46:E077 28.30 ... 32.20:E078 11.72 S58 14.30:E078 52.18 S58 36.12E079 33.11 S58 55.39:E078 52.74 Troisième station ... S58 8.06:E076 36.40 S58 20,38:E076 55.38 S59 0.93:E076 51.30 S59 15.43:E076 46.96 S58 38.91 ... S58 25.91:E080 45.40 S58 50.30:EO80 36.72 S58 36.20:E082 0.92 S58 48.38:E082 3.04 S59 23.43 ... Exploratory Fishery for Dissostichus spp. taken by the Trawl Method in Statistical Division 58.4.3 ...

   Conservation Measure : 144/XVI (1997)

6. A feedback management strategy for the krill fishery in Subarea 48.1

   year.  We used historical data to conduct retrospective analyses of our FBM strategy for two gSSMUs ... Abstract:  We present a Stage-2 strategy for in-season feedback management (FBM) of the krill ... fishery in Subarea 48.1.  This strategy is a combination of two strategies that were separately proposed ... penguin recruitment is expected to be sufficient for population maintenance, CEMP monitoring indicates ...

   Meeting Document : WG-EMM-16/48 : Auteur(s): G.M. Watters, J.T. Hinke and C.S. Reiss

7. 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

   calibration require an ageing error matrix as input in order to adequately account for uncertainty in the data ... nearest integer (NI) value deviations, denoted as integer errors (IE), from the mean age for an individual ... Abstract:  Integrated assessments that use catch-at-age or abundance-at-age data for model ... describes the methods and results used to provide an ageing error matrix to the HIMI toothfish integrated ...

   Meeting Document : WG-FSA-09/21 : Auteur(s): S.G. Candy, G.B. Nowara, D.C. Welsford and J.P. McKinlay (Australia)

8. 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

   calibration require an ageing error matrix as input in order to adequately account for uncertainty in the data ... nearest integer (NI) value deviations, denoted as integer errors (IE), from the mean age for an individual ... Abstract:  Integrated assessments that use catch-at-age or abundance-at-age data for model ... describes the methods and results used to provide an ageing error matrix to the HIMI toothfish integrated ...

   Meeting Document : WG-SAM-09/07 : Auteur(s): S.G. Candy, G.B. Nowara, D.C. Welsford and J.P. McKinlay (Australia)

9. Research plan for the 2016/17 exploratory longline fishery of Dissostichus spp. in Subarea 48.6 by South Africa and Japan

   abnormal data for the two vessels in block 48.6_2, therefore we removed the data for the current analysis ... and preliminary CASAL models. We divided the two areas for block 48.6_2 by latitude of 55.2°S to ... addition, we considered that only recaptures for 1 year at liberty is effective to estimate the ... distribution of sizes, GSI and Fulton’s condition factors for D. mawsoni in Subarea 48.6 suggest that northward ...

   Meeting Document : WG-SAM-16/07 : Auteur(s): Delegations of Japan and South Africa

10. Spatial distribution of management measures, Antarctic krill catch and Southern Ocean bioregions: implications for conservation planning

    Ocean bioregions: implications for conservation planning Abstract / Description:  Systematic ... conservation planning for developing marine spatial protection includes analysis of the spatial distribution of ... season, 64% of the CAMLR Convention Area was open to fishing for at least one species. There were ... distribution of catch within the open fraction. For example, only 26% of the total area open to krill fishing ... Raymond and an anony- mous referee for constructive comments on this paper. References Ardron, J.A., H.P ... bioregionalisa- tion as an indicator of habitat, and catch data for Antarctic krill, Euphausia superba ... clipped to an accurate coastline dataset which was derived from two sources: the Antarctic coastline was ... accounts for only 1.3% of the Convention Area. Bioregion 6 (Antarctic shelves) similarly occurs in two ...

    Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 1–19 : Auteur(s): Grant, S.M., S.L. Hill and P.T. Fretwell

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