Résultats de la recherche

1. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2006/07

   Abstract:  The exploratory fishery for Antarctic toothfish (D. mawsoni) has been operating for ten years in Subarea 88.1 and for five years in Subarea 88.2. This report summarises the large amount of data collected on toothfish and the associated bycatch by all vessels participating in the fishery.

   Meeting Document : WG-FSA-07/28 : Auteur(s): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)

2. Preliminary assessment of the South Georgia toothfish stock, 2007

   Abstract:  1. The catch-at-length based CASAL model for toothfish at South Georgia is updated with data from the 2007 fishing season. The predicted spawning stock biomass and the yield is slightly higher than was estimated last year. 2. Improvements are made to the fit of tag data through (a)

   Meeting Document : WG-FSA-07/29 : Auteur(s): D.J. Agnew, R. Hillary and J. Pearce (United Kingdom)

3. Proposal for further trials aimed at reducing Macrourus spp. by catch on autoliners targeting D. eleginoides with longlines around South Georgia

   Abstract:  IW longlines are effective in reducing the bycatch of birds in toothfish fisheries, but by putting the line closer to the seabed they increase the bycatch of macrourids and rajids. Experiments reported elsewhere demonstrate that some of this effect can be mitigated by the use of fish

   Meeting Document : WG-FSA-07/30 : Auteur(s): Delegation of the United Kingdom

4. Proposal for trials to test modified longline gear as a means to reduce cetacean depredation and mitigate incidental bird catch

   Abstract:  The UK undertook preliminary trials of the previously described “cone” or “bottle” longline configuration for mitigating cetacean interactions in 2006. This paper should be read in conjunction with the observer’s report of that cruise (Basson 2006). Initial results were promising, and

   Meeting Document : WG-FSA-07/31 : Auteur(s): Delegation of the United Kingdom

5. Results of the tagging experiment for (D. eleginoides) in Subarea 48.4, 2007 update

   Abstract:  1. During the 2006/07 fishing season one UK and one New Zealand vessel fished in Subarea 48.4, catching 54 t of toothfish. A total of 291 D. eleginoides and 1 D. mawsoni were tagged and released during fishing operations. This represents a very high tagging rate of 5.4 fish per tonne of

   Meeting Document : WG-FSA-07/32 : Auteur(s): J. Roberts and D.J. Agnew (United Kingdom)

6. Preliminary trials to test mitigation measures aimed at reducing Macrourus spp. by-catch on autoliners targeting D. eleginoides with longlines in the CCAMLR Convention Area

   Abstract:  Pilot studies were carried out in 48.3 in 2006 and in 88.1 and 88.2 in 2007 by the Argos Helena, testing 14/0 circle hooks and mackerel bait against hooks and bait routinely used by the vessel (14/0 EZ J-type hooks and squid bait respectively). Catch per unit effort (CPUE) of Macrourus

   Meeting Document : WG-FSA-07/33 : Auteur(s): R.E. Mitchell, D.J. Agnew, T. Carruthers, J. Clark, L. Ross (United Kingdom) and J. van Heerden (South Africa)

7. 2007 assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity

   Abstract:  The ASPM assessment of the Prince Edward Islands toothfish resource by Brandão and Butterworth (2006) that permitted annual fluctuations about a deterministic stock-recruitment relationship is updated to take account of further catch, GLM standardised CPUE and catch-at-length information

   Meeting Document : WG-FSA-07/34 Rev. 1 : Auteur(s): A. Brandão and D.S. Butterworth (South Africa)

8. Estimation of IUU catches of toothfish inside the Convention Area during the 2006/07 fishing season

   Abstract:  The paper presents an estimate of IUU catches of toothfish during the 2006/07 fishing season, using the standard methodology. Author(s):  Secretariat Title:  Estimation of IUU catches of toothfish inside the Convention Area during the 2006/07 fishing season Approval:  Approved

   Meeting Document : WG-FSA-07/10 Rev. 5 : Auteur(s): Secretariat

9. List of participants

   Author(s):  Secretariat Title:  List of participants Approval:  Approved

   Meeting Document : WG-FSA-07/2 : Auteur(s): Secretariat

10. List of documents

    Author(s):  Secretariat Title:  List of documents Approval:  Approved

    Meeting Document : WG-FSA-07/3 : Auteur(s): Secretariat

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