Résultats de la recherche

1. Preliminary assessment models of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea including data from the 2005/06 season

   model for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea (Subareas 88.1 and SSRUs 88.2A–B ... in a similar, though slightly higher, estimate of initial and current biomass as the 2005 base case ... ‘all vessels’ tagging data resulted in a much more optimistic assessment, but was due to the increased ... numbers scanned, but smaller increase in the reported numbers recaptured. It is likely that this ...

   Meeting Document : WG-FSA-SAM-06/11 : Auteur(s): Dunn, A. & Hanchet, S.M.

2. Spatio–temporal dynamics in maturation and spawning of Patagonian toothfish Dissostichus eleginoides on the subantarctic Kerguelen Plateau

   eleginoides in the Heard Island and McDonald Islands (HIMI) fishery on the Kerguelen Plateau in the Indian ... mature females did not spawn every year. Age-at-maturity estimates, obtained based on the assumption that ... both sexes. However, the magnitude of this temporal variation in age-at-maturity varied between gear ... , D. Welsford, J. McIvor, B. Farmer and E.Woodcock Title:  Spatio–temporal dynamics in maturation and ...

   Meeting Document : WG-FSA-17/P04 : Auteur(s): P. Yates, P. Ziegler, D. Welsford, J. McIvor, B. Farmer and E.Woodcock

3. Winter distribution of chinstrap penguins from two breeding sites in the South Shetland Islands of Antarctica

   Islands until its signal was lost at 580 30’ S, 360 10’ W in late July, over 1300 km from its breeding ... eight chinstrap penguins known to breed at one of two colonies in the South Shetland Islands, Antarctic ... Peninsula region during the 2000 and 2004 austral winters. Six birds from a breeding site in Admiralty Bay ... that 4 of the birds instrumented in the 2000 winter, two from each colony, foraged largely on the shelf ...

   Meeting Document : WG-EMM-06/17 : Auteur(s): W.Z. Trivelpiece, S. Buckelew, C. Reiss and S.G. Trivelpiece (USA)

4. Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea including data from the 2005/06 season

   model for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea (Subareas 88.1 and SSRUs 88.2A–B ... reference case resulted in a much higher estimate of initial biomass, though this appeared to be almost ... better explain these data resulted in estimates of initial and current biomass that were very similar to ... those presented in 2005. The inclusion of the 2005 tag-release and the 2006 tag-recapture data had a ...

   Meeting Document : WG-FSA-06/60 : Auteur(s): A. Dunn and S.M Hanchet (New Zealand)

5. Investigation of bias in the mark–recapture estimate of toothfish population size at South Georgia

   tag placements and recapture effort, on bias in the Petersen estimate. It does so by constructing a ... encountered a high CPUE box and upwards in a low CPUE box so that they were retained in high CPUE boxes. The ... distribution of tags and/or fishing effort; by ideal we mean that either tagging or fishing effort was in ... concentrated away from tag concentrations, or overly concentrated in them, the Petersen estimator either over ...

   Meeting Document : WG-FSA-SAM-05/6 Rev. 1 : Auteur(s): D.J. Agnew, G.P. Kirkwood, J. Pearce and J. Clark (United Kingdom)

6. Changes to seabird avoidance regulations in Alaska demersal longline fisheries based on scientific research on effectiveness of mitigation measures

   successfully reduce seabird incidental take in all years, regions, and fleets (88 percent to 100 percent ... existing regulations for seabird avoidance measures required in the groundfish and halibut demersal ... lines on larger vessels. Changes were based on research results from a two-year study conducted by the ... Washington Sea Grant Program (WSGP) on the effectiveness of seabird avoidance measures in the longline ...

   Meeting Document : WG-FSA-02/53 : Auteur(s): K.S. Rivera (USA)

7. Revised research plan for the 2016/17 toothfish fishery in Division 58.4.4b by Japan and France

   three years as effective for the calculation following the recommendation in the last WG-SAM meeting ... Abstract:  Japan and France have revised the next season’s (2016/17) research plan in research ... during WG-SAM meeting in 2016. We have used extracted data provided by CCAMLR Secretariat in this late ... August for the current analysis, but not used the cleaning data provided by them in this early September ...

   Meeting Document : WG-FSA-16/33 Rev. 1 : Auteur(s): Delegations of Japan and France

8. ANTARCTIC PENINSULA DECADAL WINTER TEMPERATURE ANOMALIES AND ANTARCTIC KRILL VARIABILITY IN THE SOUTH ATLANTIC REGION: PRELIMINARY RESULTS

   the oscillations with 3-8 year periods and a decadal oscillation with a period of about 16 years ... . Preliminary analysis of Antarctic krill density variations shows about 8-year variability as well. Correlation ... significantly to 0.4 when applying 1-year data shift (krill density after anomalies occurrence). The 3-8 year ... TEMPERATURE ANOMALIES AND ANTARCTIC KRILL VARIABILITY IN THE SOUTH ATLANTIC REGION: PRELIMINARY RESULTS ...

   Meeting Document : WG-EMM-11/41 : Auteur(s): G.P. Milinevsky, A.V. Grytsai and L.K. Pshenichnov (Ukraine)

9. A characterisation of the toothfish fishery in Subarea 48.6 from 2003/04 to 2011/12

   ) in CCAMLR subarea 48.6 (South East Atlantic). This report summarises the catch, effort, timing, depth ... species caught in the fishery over the period 2003-4 to 2011-12 are also presented. For the Antarctic ... was reported exclusively in the SSRUs 48.6A and 48.6G. Most of the catches were reported by vessels ... %). Unstandardized raw catch and effort data suggested that the median catch per unit of effort in Antarctic ...

   Meeting Document : WG-SAM-12/33 : Auteur(s): R. Wiff (Chile), M. Belchier (United Kingdom) and J. Arata (Chile)

10. A characterisation of the toothfish fishery in Subarea 48.6 from 2003/04 to 2011/12

    ) in CCAMLR subarea 48.6 (South East Atlantic). This report summarises the catch, effort, timing, depth ... species  caught in the fishery over the period 2003-4 to 2011-12 are also presented..  For the Antarctic ... was reported exclusively in the SSRUs 48.6A and 48.6G. Most of the catches were reported by vessels ... %). Unstandardized raw catch and effort data suggested that the median catch per unit of effort in Antarctic ...

    Meeting Document : WG-FSA-12/38 : Auteur(s): R. Wiff (Chile), M. Belchier (United Kingdom), J.C. Quiroz and J. Arata (Chile)

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