Résultats de la recherche

1. Distribution and abundance of Antarctic krill (Euphausia superba) off East Antarctic (30–80°E) in January–March 2006

   -2. B0 was estimated to be 12.46 million tonnes with a CV of 15.15%. Krill were widely distributed at ... survey and analysis methods for krill. Author(s):  T. Jarvis, N. Kelly, E. van Wijk, S. Kawaguchi and S ...

   Meeting Document : WG-EMM-07/33 : Auteur(s): T. Jarvis, N. Kelly, E. van Wijk, S. Kawaguchi and S. Nicol (Australia)

2. Pairwise tag performance: testing the sensitivity of the tag detection index and the mortality of tagged fish index

   . This recommendation is in accordance with that of most of the participants at WG-SAM 2013 (paragraph ... temporal variability of fishing operations by pairing each individual tag release or recapture event with ... and in the same fishing season). The method showed that when the confounding effects of variable ... with respect to the tag detection index in the Ross Sea region. Here we present the results of ...

   Meeting Document : WG-FSA-13/50 : Auteur(s): S. Mormede (New Zealand)

3. A bioenergetics model assessment of the prey consumption of macaroni penguins in Subarea 48.3

   Subarea 48.3 during the period when penguins are constrained by breeding. We show that the greatest levels ... of consumption occur during incubation and pre-moult, but that there are also evident increases ... towards the end of guard and the end of crèche. Our initial results indicate that levels of krill ... consumption are comparable with some previously reported estimates, but with some important differences. This ...

   Meeting Document : WG-EMM-16/37 : Auteur(s): P.N. Trathan, L. Emmerson, C. Southwell and C. Waluda

4. Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2016 – Part C: Data analysis and MPA scenario development

   the Weddell Sea planning area. In accordance with the recommendations by WG-EMM-14 (SC-CAMLR-XXIII ... already presented at the meetings of EMM and SC-CAMLR in 2015. The Scientific Committee did recognise that ... . Deininger and T. Brey on behalf of the German Weddell Sea MPA project team Title:  Scientific background ...

   Meeting Document : WG-EMM-16/03 : Auteur(s): K. Teschke, H. Pehlke, M. Deininger and T. Brey on behalf of the German Weddell Sea MPA project team

5. 2013 Report on bottom fisheries and vulnerable marine ecosystems

   ), and analyses that separate these groups should be interpreted with caution. Member States asking ... incomplete with respect to some recent research trawls. Note also that the total effort used imputed values ... proportion (0–1) of each VME taxon within the footprint that impacted in a particular interaction with the ... within the Ross Sea fishery. It recommended that impact assessments be carried out at the scale of 0.05 ...

   Document : Site Section: Publications

6. CONVENORS’ REPORT OF THE WG-IMAF WORKSHOP

   history of ad hoc WG-IMAF and considered the current work programme of CCAMLR with respect to the current ... might operate and the implications for its work. The workshop agreed that in future ad hoc WG-IMAF ... mammals as well as developing, an effective relationship between CCAMLR and ACAP. The workshop noted that ... recommendations from the workshop to be considered by WG-IMAF are: o revised terms of reference for WG-IMAF to ...

   Meeting Document : WG-FSA-08/65 : Auteur(s): K. Rivera and N. Smith (Co-conveners of ad hoc WG-IMAF)

7. On the intensity of sampling krill trawl catches

   of measurement, it is proposed that length measurements from commercial catches should be grouped ... differences in length should be considered along with the need to collect maturity stage information. * For ... krill catches should as far as possible be made by a single observer/vessel; * WG-Krill should consider ... the minimum length differences between-catches which should be detectable. As far as possible ...

   Meeting Document : WG-KRILL-90/27 : Auteur(s): D.G.M. Miller (South Africa)

8. Approaches to monitoring and assessing the abundance of rattails (Macrourus spp.) and skates in the Ross Sea

   , and acoustic surveys. We recommend that a random bottom trawl survey would be the best approach ... approach is that preliminary stock assessments could be carried out for both species groups after only one ... successful trawl survey. Simulations have indicated that only 35–40 trawls would be required in the depth ... (SSRUs 881E, G, H, I, J, and K). A trawl survey could also be used in conjunction with other methods of ...

   Meeting Document : WG-FSA-05/22 : Auteur(s): R.L. O’Driscoll, S.M. Hanchet and B.A. Wood (New Zealand)

9. FURTHER DEVELOPMENTS OF A SIMULATION MODEL, ‘PATCH’, FOR EVALUATING MANAGEMENT STRATEGIES TO CONSERVE BENTHIC HABITATS (VULNERABLE MARINE ECOSYSTEMS) WHICH ARE POTENTIALLY VULNERABLE TO IMPACTS FROM BOTTOM FISHERIES

   the most cost-effective way that fishers might be able to collectively enact this resolution? The UNGA ... ”, a categorisation fraught with difficulty. Instead, it means that habitats for which this would not ... requirement can be translated into a simple operational objective: Maintain the quality of habitats above the ... level that can naturally restore the original structure and function within 20 years. It does not ...

   Meeting Document : WG-FSA-09/42 : Auteur(s): A.J. Constable (Australia)

10. A compilation of parameters for ecosystem dynamics models of the Scotia Sea – Antarctic Peninsula region

    compiles parameters for use in the ecosystem dynamic models that are needed to assess these methods. These ... species that feed on krill in this region. Maximum krill transport rates are also derived from the OCCAM ... global ocean circulation model. This parameter set, like most others, is associated with considerable ... uncertainty, which must be taken into account when it is used. The sources, assumptions and calculations at ... most others, is associated with considerable uncertainty, which must be taken into account when it is ... suggest that fi sh are the major krill consumers in all SSMUs, with perciform fi sh taking as much krill ... species must also be parameterised. The models must also account for uncertainties associated with the ... scenario, which cannot be discounted but was not considered, would involve krill swim- ming with the ...

    Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 1–25 : Auteur(s): Hill, S.L., K. Reid, S.E. Thorpe, J. Hinke and G.M. Watters

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