Résultats de la recherche

1. Preliminary report on krill survey off the coast of East Antarctica (Enderby Land to Prydz Bay) February-March 2015

   station resupply.  The purpose of this opportunistic Marine Science work was to assess: The spatial ... variability, particularly along the shelf break, of the prey field for penguins, flying seabirds and marine ... mammals in East Antarctica. The small scale variability of prey in key foraging locations near to land ... -based colonies of penguins and flying seabirds in East Antarctica. Feasibility and potential of ...

   Meeting Document : WG-EMM-15/22 : Auteur(s): S. Kawaguchi, A. Constable, L. Emmerson, C. Southwell, R. King, K. Westwood and K. Swadling (Australia)

2. Fulfilling CCAMLR’s commitment to create a representative system of Marine Protected Areas

   Abstract:  The Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) first ... committed to adopting a representative network of marine protected areas (MPAs) in 2009. This paper ... adoption and entry into force of the Ross Sea MPA, ASOC calls on CCAMLR to make swift progress towards ... adopting a Southern Ocean representative system of MPAs by 2020. ASOC recommends that this year CCAMLR ...

   Meeting Document : CCAMLR-XXXVII/BG/36 : Auteur(s): Submitted by ASOC

3. Preliminary assessment of genetic diversity in bycatch-caught darkbelly skate (Bathyraja meridionalis) from South Georgia

   Abstract:  Reliable species identification and population assessments of skates are crucial for ... the sustainable management of their vulnerable stocks. However, species identification is a major ... molecular tools to identify specimens of softnose skates (Bathyraja spp.) caught as bycatch from the ... discrepancy between previous genetic studies of B. meridionalis and B. maccaini that challenged the ...

   Meeting Document : WG-FSA-2019/19 : Auteur(s): S. Pérez-Espona, W.P. Goodall-Copestake, P. Hollyman and M. Belchier

4. Composition and standing stock estimates of finfish from the Polarstern bottom trawl survey around Elephant Island and the South Shetland Islands (Subarea 48.1, 19 December 2006 to 3 January 2007)

   composition, biomass, and size composition of the abundant fish species was provided. Estimates of total ... South Shetland Islands and N. rossii in both areas. The proportion of juvenile G. gibberifrons ... , decreased further due to the production of poor year – classes since the late 1990’s. A concentration of N ... . rossii was found in the same location where aggregations of the species have been detected in 1975/76 and ...

   Meeting Document : WG-FSA-07/22 : Auteur(s): K.-H. Kock, J. Appel, M. Busch, S. Klimpel, M. Holst, D. Pietschok (Germany), L.V. Pshenichnov (Ukraine), R. Riehl, S. Schöling (Germany)

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

   , experimental manipulation of fishing effort, catch-curve analysis, tagging programmes, bottom trawl surveys ... towards obtaining abundance estimates for rattails and skates in the Ross Sea. The major advantage of this ... range 600–1500 m to obtain a precise estimate of bycatch abundance in the area of highest densities ... (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)

6. Fishing patterns of Japanese krill trawlers

   ‘operation units’ which consists from a group of repeated operations within certain searching ranges (10nm ... , 30nm, and 60nm). Distribution of the operation units showed considerable variation in space and time ... with the plots of aggregated catch, suggesting these two kinds of CPUEs may not be good indices for ... expressing the status of krill in the fishing ground. Catch per fishing days maybe the reasonable index for ...

   Meeting Document : WG-EMM-02/28 Rev. 1 : Auteur(s): S. Kawaguchi, T. Kameda and Y. Takeuchi (Japan)

7. TOWARDS A SYSTEM OF MARINE SPATIAL PROTECTION FOR THE SOUTH ORKNEY ISLANDS

   Abstract:  The region surrounding the South Orkney Islands has been identified by CCAMLR as one of ... following the pilot study, with the aim of generating products that can be used to inform decision-making on ... areas that might form the basis of further work, emphasising a number of questions that will help ... -XXVIII, describing a package of marine spatial protection and management measures that could be ...

   Meeting Document : WG-EMM-09/22 : Auteur(s): S. Grant, P.N. Trathan, J. Tratalos and J. Silk (United Kingdom)

8. SPATIAL DISTRIBUTION AND AGE STRUCTURE OF THE ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN THE ROSS SEA, ANTARCTICA

   the availability of habitat is critical to the long-term viability of the population. Antarctic ... assess the availability of habitat for Antarctic toothfish a benthic habitat map of the Ross Sea was ... were consistent with an ontogenetic movement of fish from shallow continental shelf habitats to deep ... individuals were found on ridges in the northern Ross Sea, consistent with the hypothesis of an austral summer ...

   Meeting Document : WG-FSA-08/18 : Auteur(s): C.M. Brooks and J.R. Ashford (USA)

9. Recent increase and southern expansion of Adelie penguin populations in the Ross Sea, Antarctica, related to climatic warming

   Abstract:  The numbers of Adelie penguins Pygoscelis adeliae (Hombron and Jacquinot) in the Ross ... Barne (77°35’S) with the re-occupation of a former rookery that was abandoned sometime before the ... present century. These biological trends show remarkable synchronisation with physical evidence of ... climatic variation in the McMurdo Sound region. We suggest that the dynamics of Adelie penguin populations ...

   Meeting Document : WG-CEMP-92/22 : Auteur(s): R.H. Taylor and P.R. Wilson (New Zealand)

10. On assessing the size of the humped rockcod stock (Notothenia gibberifrons) in Subarea 48.3

    approach in this case involved using a target function in the form of the sum of square deviations in ... logarithms of observed and calculated biomass indices and resulted in an estimate of from 21.5 to 42.1 ... thousand tonnes for N. gibberifrons biomass in the 1989/90 season. It is thus possible to suggest a TAC of ... 1.9 to 2.7 thousand tonnes. A similar approach is recommended for assessing the stock of other ...

    Meeting Document : WG-FSA-91/26 : Auteur(s): P.S. Gasiukov (USSR)

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