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1. CLIMATICALLY DRIVEN FLUCTUATIONS IN SOUTHERN OCEAN ECOSYSTEMS

   role of physical and biological processes in generating fluctuations in the ecosystem around South ... Georgia in the South Atlantic sector of the Southern Ocean. Anomalies in sea surface temperature (SST) in ... changes in SST, and related fluctuations in winter sea ice extent, affect the recruitment and dispersal of ... Antarctic krill. This oceanographically driven variation in krill population dynamics and abundance in turn ...

   Meeting Document : WG-EMM-08/P02 : Автор(ы): E.J. Murphy, P.N. Trathan, J.L. Watkins, K. Reid, M.P. Meredith, J. Forcada, S.E. Thorpe, N.M. Johnston and P. Rothery

2. Trophic interactions and population trends of killer whales (Orcinus orca) in the southern Ross Sea

   Abstract:  Foraging events and related trends in numbers of Type-B and-C killer whales (Orcinus ... Sea killer whales (Type-C; RSKWs), a fishing-eating ecotype, has continued to decrease in a pattern ... coincident with a decrease in the number and size of an important prey: Antarctic toothfish (Dissostichus ... -eating killer whales and large Chinook salmon (Oncorhynchus tshawytscha) in the northeast Pacific. In ...

   Meeting Document : WG-FSA-12/P03 : Автор(ы): D.G. Ainley and G. Ballard

3. A preliminary stock assessment in SSRUS 486A, G: A Bayesian and CPUE based biomass dynamic model

   contribution to estimate abundance in a simple biomass dynamic model for both species of toothfish in northern ... sets in which both species are present, and thus, an analysis of catch intention was implemented by ... analysed in terms number of tagged and recovered individuals, and tag size-overlap. Catch reported and ... dynamic model in Bayesian framework using standardised CPUE and catches (considering assumed IUU) was ...

   Meeting Document : WG-SAM-13/29 : Автор(ы): R. Wiff, J.C. Quiroz (Chile) and R. Scott (United Kingdom)

4. Proposal for the establishment of a marine CCAMLR MPA in the Weddell Sea (Antarctica) – First conceptual outline

   Abstract:  In recent years, CCAMLR member states undertook substantial efforts to designate marine ... protected areas (MPAs) in the Southern Ocean. While MPA planning for six domains is underway, for three ... domains CCAMLR member states were asked to take the lead in MPA planning. At the CCAMLR meeting in 2012 ... , the Commission welcomed the offer of Germany to take the lead in developing a Weddell Sea MPA for ...

   Meeting Document : WG-EMM-13/22 : Автор(ы): K. Teschke, B. Dorschel, J. Gutt, S. Hain, H. Hellmer, K. Jerosch, R. Knust, K.-H. Kock, M. Schlüter, V. Siegel and T. Brey (Germany)

5. Decadal trends in the South Georgia demersal fish assemblage

   research hauls conducted in depths < 350m during 19 research random stratified trawl surveys carried out ... appeared to be linked to habitat type. Low diversity in species was seen consistently over the Shag Rocks ... shelf. There was no detectable change in species composition across the region over three decades. Eight ... species from two families, the Notoheniidae and the Channichthyidae dominated the survey biomass in all ...

   Meeting Document : WG-FSA-13/26 : Автор(ы): M. Belchier (United Kingdom)

6. Analysis of krill fishery operations in Subarea 48.1: spatial-time distribution of CPUE and fishing efforts

   Abstract:  In previous years we revealed that period 2006-2011 is characterized by the highest ... values of standardized CPUE indices in the Subarea 48.1 for the last 25 years. We continue to investigate ... methods. Our investigation shows how fishery operated by years and month in each SSMUs with special ... attention to differences between national fleets. It was shown also significant variability in fishing ...

   Meeting Document : WG-EMM-14/21 : Автор(ы): S. Kasatkina and P. Gasyukov (Russia)

7. Preliminary results of the three season research surveys of the Spanish FV Tronio in Division 58.4.1

   year of the multi-year research survey in the Division 58.4.1, as far as the ice condition allowed, the ... F/V Tronio has returned to the same places surveyed in the previous seasons and a prospection all ... together with a comparative analysis of the three-seasons carried out in this division. A depletion ... experiment has been made in each of the prospected SSRUs. Results in SSRUs 5841H and G are not conclusive ...

   Meeting Document : WG-SAM-16/40 Rev. 1 : Автор(ы): R. Sarralde, L.J. López-Abellán and S. Barreiro

8. Growth and shrinkage in Antarctic krill Euphausia superba is sex-dependent

   period is critical to their success. Laboratory evidence suggests that krill may shrink in body length ... during this time in response to the low availability of food. Nevertheless, verification that krill can ... shrink in the natural environment is lacking because winter data are difficult to obtain. One of the few ... adult krill (>35 mm total body length) obtained from commercial vessels in the Scotia-Weddell region ...

   Meeting Document : WG-EMM-16/P04 : Автор(ы): G. Tarling, S. Hill, H. Peat, S. Fielding, C. Reiss and A. Atkinson

9. A characterisation of the toothfish fishery and tagging programme in the Amundsen Sea region (SSRUs 88.2C–H) through 2015–16

   programme in the Amundsen Sea Region (SSRUs 88.2C–H) up to and including the 2015/16 fishing year. A ... research plan was implemented in the region beginning in 2014/15 to concentrate fishing in the South (SSRUs ... 88.2C-G) into four smaller research blocks in order to increase the likelihood of recaptures of ... previously tagged toothfish. In 2015/16, a total of 9 inter-season tagged fish were recaptured in these ...

   Meeting Document : WG-FSA-16/45 : Автор(ы): K. Large, S. Parker and S. Hanchet

10. Developing robust biomass estimates and advice on catch limits in research blocks

    Abstract:  In 2016, changes to the methods used by CCAMLR to estimate biomass in research blocks ... resulted in conflicting estimates of biomass between the CPUE by seabed area and the Chapman estimate. The ... different biomass estimates be provided. In this paper, we develop a modified CPUE by seabed area method ... that improves on the original CPUE by seabed area method for toothfish populations in research blocks ...

    Meeting Document : WG-SAM-17/37 : Автор(ы): S.J. Parker, S. Mormede, A. Dunn, S.M. Hanchet and C. Marsh

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