Résultats de la recherche

1. Revised assessment models for Patagonian toothfish in research block C of Division 58.4.4, Ob and Lena Banks

   assessments of Dissostichus eleginoides in research block C in Division 58.4.4 b following the recommendation ... models on the assumption that 22 % of IUU catch to the total observed across Division 58.4.4 occurred in ... versions seem to be due to the use of the mean-based weighting instead of multinomial-based weighting used ... during the latest WG-SAM meeting. The six models with three kinds of assumptions on IUU catch were ...

   Meeting Document : WG-FSA-14/23 : Auteur(s): K. Taki (Japan)

2. Discussion on recent results from an integrated assessment of Antarctic krill (Euphausia superba) in Subarea 48.1

   from three of the models provide a robust picture of changes in the krill population.  An annual model ... .  Differences in scaling of biomass estimates between the annual models and the more highly resolved models ... changes in biomass but lower absolute biomasses than the two annual models.  A monthly model estimated ... different changes in biomass but predicted absolute biomasses that were similar to those from the seasonal ...

   Meeting Document : WG-EMM-14/35 : Auteur(s): G.M. Watters, C.S. Reiss and D. Kinzey (USA)

3. Adélie penguin foraging behaviour and breeding success in seasons of contrasting krill availability (Mawson Coast, Antarctica)

   penguins at the Béchervaise Island CEMP site were compared between seasons of contrasting krill ... present during the two-week survey period in 2001 than in 2003. Penguin parameters that showed significant ... to the diet in 2003 but was only a minor component in 2001. Differences between years were ... particularly apparent during the late guard to early crèche stages of chick rearing, coinciding with the timing ...

   Meeting Document : WG-EMM-03/44 : Auteur(s): J. Clarke, M. Tierney, S. Candy, S. Nicol, L. Irvine and K. Kerry (Australia)

4. Orientation of Antarctic krill in an aquarium

   . Although mature females with marked swelling of the cephalothorax were not included in the experiment, the ... center of mass was found to be situated more to the anterior than in males and immature females. The ... estimated on the basis of Kils’ model. Mature females with swollen cephalothorax demonstrated larger tilt ... angles relative to the horizontal plane than did males, as the center of mass is positioned more to the ...

   Meeting Document : WG-KRILL-93/24 : Auteur(s): Y. Endo (Japan)

5. Report of vulnerable marine ecosystems in South Georgia Islands (CCAMLR Subarea 48.3) through research dredge sampling

   Abstract:  In this contribution we report the presence of 6 vulnerable marine ecosystems (VME ... here with previous reports in the same area. Thus, owing to high diversity and abundance of indicators ... by fishing activity in the area of the CCAMLR convention. Author(s):  E. Gaitán, L. Schejter, D ... inclusion in the CCAMLR VME registry, were detected during a research cruise performed by the National ...

   Meeting Document : WG-FSA-13/58 : Auteur(s): E. Gaitán, L. Schejter, D. Giberto, M. Escolar and C. Bremec (Argentina)

6. Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Signy Island, South Orkney Islands, 2002/03

   study undertaken at Bird Island, South Georgia in 2002/03. In the case of Bird Island, data indicated ... Abstract:  The results of the seventh annual survey of entanglement of Antarctic fur seals at ... that the number of entangled fur seals had decreased by 67% compared to the previous year, this being ... presence of the entangled seal at Signy, together with the considerable number of seals with neck collars ...

   Meeting Document : SC-CAMLR-XXII/BG/13 : Auteur(s): Delegation of the United Kingdom

7. Comparison of catches for toothfish in 58.4.1, 58.4.2, and 48.6 from vessels with anomalous CPUE

   stocks, and uncertainty or bias in the amount of catch from an area must be taken into account in the ... assessment of a stock. In 2013, Korea held a workshop on the anomalous CPUE data reported from some Korean ... vessels in data-poor exploratory fisheries (Delegation of Korea 2013). That paper requested that the data ... Abstract:  An accurate history of catch is an important input into the assessment of toothfish ...

   Meeting Document : WG-FSA-13/57 Rev. 1 : Auteur(s): A. Dunn, B.R. Sharp (New Zealand), C. Darby (United Kingdom) and O.R. Godø (Norway)

8. Report on incidental bird mortality and effectiveness of mitigation measures during demersal long lining by Ihn Sung 66 in Subarea 48.3 - December 1993 to February 1994

   daylight during which the longline is set is more important than the use of a streamer line in the ... the effectiveness of mitigation measures is described. An alternative design of streamer line for use ... with the 'Spanish' method of longlining (separate hauling and fishing lines) is described ... . The results of observations of incidental mortality of seabirds made during the fishing operations of ...

   Meeting Document : WG-IMALF-94/14 : Auteur(s): C. Jones and G. Parkes (United Kingdom)

9. A preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on recent survey results

   ’ E using standard CCAMLR methods. A pattern of 5 year classes being present simultaneously in the ... the mean biomass estimate. A catch limit of 679 t is recommended for the 2012/13 season. Author(s ... Abstract:  The annual Random Stratified Trawl Survey was undertaken in Division 58.5.2 in the ... icefish population structure, abundance and yield for the area of Division 58.5.2 to the west of 79 o 20 ...

   Meeting Document : WG-FSA-12/26 : Auteur(s): D.C. Welsford (Australia)

10. Fishing intensity of Russian fleet krill fishery in Subarea 48.2 and 48.3

    Abstract:  The purpose of this paper was estimating commercial fleet impact on krill population in ... -by-haul data using a model of probabilistic-statistical theory of fishery systems developed in the ... aggregated in the fishing grounds was assessed basing on 22800 haul data. The analysis of Soviet fleet ... competitive with dependent predators for the krill resource. In this case, a certain spatial overlap of the ...

    Meeting Document : WG-EMM-02/62 : Auteur(s): S.M. Kasatkina and V.F. Ivanova (Russia)

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