Résultats de la recherche

1. Distribution, morphology, growth, reproduction, diet and trophic position of two species of grenadier (Macrourus whitsoni and M. caml) in the Ross Sea region of the Southern Ocean (CCAMLR Subareas 88.1 and 88.2)

   least 27 years; in M. caml, full size is attained at about 15–20 years of age and they can live in ... excess of 60 years. However, sexual maturity in female M. whitsoni is reached at longer length and older ... Macrourus whitsoni and M. caml in the Ross Sea region of the Southern Ocean. Fish were caught by New Zealand ... vessels in the fishery for Antarctic toothfish (Dissostichus mawsoni) between December 2011 and February ...

   Meeting Document : WG-FSA-12/54 Rev. 1 : Auteur(s): M.H. Pinkerton, P. McMillan, J. Forman, P. Marriott, P. Horn, S. Bury and J. Brown (New Zealand)

2. Simulations to evaluate model performance for Antarctic toothfish stock assessment in the Amundsen Sea region

   to be developed to assess the ASR for 2018, as recommended by Scientific Committee in 2016. Author(s ... shown promising results to date, with 8 interseason tags recaptured in the South area in 2016 and 12 ... (preliminary recaptures) in 2017. The aim of this paper is to ascertain when the Amundsen Sea region stock ... in estimates of biomass, the likely biases, and to set expectations for mark-recapture data for the ...

   Meeting Document : WG-SAM-17/40 : Auteur(s): S. Mormede and S. Parker

3. Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?

   subarea, derived from the subarea catch limit, appears to exceed this level in up to 20% of years due to ... (or “trigger level”), established in 1991, is 0.62 million tonnes year-1, equivalent to ~1% of the ... conservative estimates of the regional biomass in recent years. This suggests that the trigger level would be ... format to explain the management of the Antarctic krill (Euphausia superba) fishery in the subareas 48.1 ...

   Meeting Document : WG-EMM-16/21 : Auteur(s): S. Hill, A. Atkinson, C. Darby, S. Fielding, B. Krafft, O.R. Godø, G. Skaret, P. Trathan and J. Watkins

4. Analysis of the sea-ice concentration (SIC) in Subarea 48.6, research blocks 2, 3, 4 and 5 with sea-surface temperature (SST) and statistical models

   , the SIC in 2019 was the highest for the last 4 years (2016-2019). For research block 5, the SIC in ... Abstract:  An Analysis of the sea ice concentration (SIC) in research blocks 2,3,4, and 5 of ... 2019 was also as high as in 2016 but around the west of block 5 the SIC in 2019 was much lower than in ... 2016. The lower SST anomalies corresponds to the higher SICs in 2019 both in research blocks 4 and 5 ...

   Meeting Document : WG-SAM-2019/15 : Auteur(s): T. Namba, R. Sarralde, H. Pehlke, K. Teschke, T. Brey, S. Hain, T. Ichii, T. Okuda, S. Somhlaba and J. Pompert

5. Distribution of the Soviet fishing fleet and catches (CPUE) in Subdivision 48.3 during 1986–1990

   - from August to September (in some years from June to September). The third fishing ground is ... -scale management units determination. In this work the available data of haul by haul catch statistics ... for the Soviet krill fishery in subdivision 48.3 for 1986-1980 (15 thousand hauls) were analyzed ... boundary between them located at 37-37 30’ W have been distinguished. These fishing grounds are formed ...

   Meeting Document : WG-EMM-02/63 Rev. 1 : Auteur(s): V.A. Sushin, P.C. Gasiukov, A.V. Zimin and S.M. Kasatkina (Russia)

6. Entanglement in man-made debris of Antarctic fur seals at Bird Island, South Georgia

   . This represents at least 0.1% of the total Bird Island population and a minimum of 0.4% of animals in ... accounted for 64% of animals older than this. Obvious physical injury was being caused to 30% of animals and ... significant population decline has occurred concurrently. Antarctic fur seals are still increasing in numbers ... . Rodwell and I.P. Boyd (United Kingdom) Title:  Entanglement in man-made debris of Antarctic fur seals at ...

   Meeting Document : CCAMLR-VIII/BG/05 : Auteur(s): J.P. Croxall, S. Rodwell and I.P. Boyd (United Kingdom)

7. Some characteristics of krill transport in the Scotia Sea based on the Russian survey data

   Abstract:  In this work the characteristics of krill transport across the SSMUs determined on the ... basis of long-term Russian research in Area 48 are considered. Estimates of mean current velocities ... based on the long-term data from 3012 stations and respective time intervals when the water mass in the ... study area was totally replaced are presented. It is shown that in SSMUs the multiple total replacement ...

   Meeting Document : WG-EMM-05/41 : Auteur(s): S.M. Kasatkina, V.N. Shnar and O.V. Berezhinsky (Russia)

8. Stomach contents of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea region in 2010 and a comparison with 2003

   two years. It is planned to carry out a more rigorous analysis of these data in the coming year ... . De Witt’s icefish, eel-cods, and glacial squid were also important occurring in about 20% of stomachs ... Abstract:  The stomach contents of 273 Dissostichus mawsoni captured by bottom longline in the ... in 640–2127 m depths and ranged between 78 and 181 cm TL. A total of 198 stomachs contained prey ...

   Meeting Document : WG-FSA-10/22 : Auteur(s): D.W. Stevens, J. Forman and S. Hanchet (New Zealand)

9. Detection of anti-brucella antibodies in pinnipeds from the Antarctic Territory

   in six of the seventeen samples involving the two animal species. It is concluded that a Brucella sp ... Abstract:  This paper describes the first detection of Brucella sp. antibodies in seals from the ... . described as affecting marine mammals in the Northern hemisphere could be also present in the Antarctic ... -brucella antibodies in pinnipeds from the Antarctic Territory Approval:  Approved ...

   Meeting Document : WG-EMM-01/46 : Auteur(s): P. Retamal, O. Blank, P. Abalos and D. Torres (Chile)

10. First record of anti-Brucella antibodies in Arctocephalus gazella and Leptonychotes weddellii from Cape Shirreff, Livingston Island, Antarctica

    two animal species. It is concluded that a Brucella sp. described as affecting marine mammals in the ... Abstract:  This paper describes the first detection of Brucella sp. antibodies in pinnipeds from ... sp. were detected with the RBT, the CFT and the c-ELISA in six of the seventeen samples involving the ... Northern hemisphere could be also present in the Antarctic territory. Author(s):  Delegation of Chile Title ...

    Meeting Document : SC-CAMLR-XVIII/BG/17 : Auteur(s): Delegation of Chile

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