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1. Physical forcing in the southwest Atlantic: ecosystem control

   Abstract:  In the southwest Atlantic sector of the Southern Ocean, temporal variability in the ... temperature at South Georgia shows the presence of high levels of autocorrelation, with periodicity evident in ... anomaly data for the El Niño 4 region in the Pacific show that variability at South Georgia also reflects ... temperature fluctuations in the Pacific, with the Pacific leading South Georgia by approximately 3 years ...

   Meeting Document : WG-EMM-04/34 : Author(s): P.N. Trathan, E.J. Murphy, J. Forcada, J.P. Croxall, K. Reid and S.E. Thorpe (United Kingdom)

2. Foraging areas of black-browed and grey-headed albatrosses breeding on Macquarie Island in relation to marine protected areas

   -order predators, there is a paucity of data that can be used to evaluate their efficacy in achieving ... this purpose. 2. We assessed the effectiveness of a network of MPAs around Macquarie Island in the ... Exclusion Zone around Macquarie Island. In contrast, grey-headed albatrosses (T. chrysostoma) spent on only ... 34 % of their time foraging in MPAs. 4. Black-browed and grey-headed albatrosses spent 30 % and 15 ...

   Meeting Document : WG-FSA-04/49 : Author(s): A. Terauds, R. Gales, G.B. Baker and R. Alderman (Australia)

3. Population assessment of Patagonian toothfish in Subarea 48.4 – 2011 update

   Abstract:  In this paper we update the assessment of D. eleginoides in the northern half of ... Subarea 48.4 presented in 2010. The CASAL model is improved through the incorporation catch at age data ... , as an alternative to the catch at length data that were the only such data available in 2010. The ... catch at age model generates a yield of 52 tonnes based on CCAMLR decision rules. In 2006 the northern ...

   Meeting Document : WG-FSA-11/38 : Author(s): J. Roberts, R. Mitchell and R. Wakeford (United Kingdom)

4. Assessment models for Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRU 88.2E for the years 2002–03 to 2010–11

   model for Antarctic toothfish (Dissostichus mawsoni) in the SSRU 88.2E, using revised catch, catch-at ... resulted in a 30% higher estimate of initial biomass than for the 2009 base case. The main reason for this ... increase was likely to be because of the increase in the proportion of selected trips in the 2011 ... information on stock size, although there were conflicts between information in the recapture data from ...

   Meeting Document : WG-FSA-11/44 : Author(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)

5. Proposal for an extension to the mark recapture experiment to estimate toothfish population size in Subarea 48.4

   assessment of D. eleginoides stock size in the Northern Area of 48.4 estimates a vulnerable biomass of ... between 1,000 to 2,000 tonnes. 3. The UK proposes to continue the mark-recapture experiment in Subarea ... 48.4 in the 2008/09 fishing season so as to allow for a full assessment of D. eleginoides stock size in ... the Northern in 2009. 4. Additionally, the UK proposes to commence a mark-recapture experiment in the ...

   Meeting Document : WG-FSA-08/46 : Author(s): J. Roberts and D. J. Agnew (UK)

6. Temporal variation in Antarctic sea-ice: analysis of a long-term fast-ice record from the South Orkney Islands

   Abstract:  Detection of climate-induced change in marine ecosystems requires a knowledge of the ... variability in Southern Ocean sea-ice dynamics. We present the first analysis of a series of fast-ice duration ... indicate that there has been a long term decline in the duration of sea-ice at the South Orkney Islands in ... the result of a reduction in the duration of fast-ice during the 19405 and 1950s. There was a ...

   Meeting Document : WG-EMM-95/80 : Author(s): Symon, C., Murphy, E.J., Priddle, J., Clarke, A.

7. Change in environmental conditions of the Southern Ocean observed by satellites and data-assimilating models between 1981 and 2019

   Abstract:  We provide a summary of environmental change in the Southern Ocean over the period of ... movement north of the Subantarctic Front; (3) increasing chl-a and NPP in the Subantarctic Front and around ... the southern limit of the ACC except in the Ross Sea region; (4) decreasing chl-a and NPP in the Ross ... Sea sector and on the Antarctic continental shelf; (5) gradual loss of sea-ice in the Amundsen Sea and ...

   Meeting Document : WG-EMM-2019/39 : Author(s): M. Pinkerton

8. Report of the UK Groundfish Survey at South Georgia (CCAMLR Subarea 48.3) in January/February 2019

   in 2017, but is comparable with the long term average. The highest catches were on the moraine banks ... of the two northern strata and at the western end of Shag Rocks, with one high catch recorded in the ... South West stratum. Clear regional differences in C. gunnari diet composition were observed. At Shag ... . superba as a prey species varied across the four regions at South Georgia, ranging from 10.48% IRI in the ...

   Meeting Document : WG-FSA-2019/20 : Author(s): S. Gregory, P. Hollyman, T. Earl, A. Clement, J. Visagie, L. Featherstone and M. Belchier

9. Results of the tagging experiment for D. eleginoides in Subarea 48.4

   the South Sandwich Islands (Subarea 48.4) in 2006 following one vessel, the Argos Helena, fishing in ... 2005. During this time animals were tagged in order to continue a mark-recapture programme started in ... proposal for continuing research in this area in 2007. Author(s):  A. Payne and D.J. Agnew (United Kingdom ... ) Title:  Results of the tagging experiment for D. eleginoides in Subarea 48.4 Approval:  Approved ...

   Meeting Document : WG-FSA-06/56 : Author(s): A. Payne and D.J. Agnew (United Kingdom)

10. Seabird by-catch in the Patagonian toothfish longline fishery at the Prince Edward Islands: 1998–1999

    Abstract:  Longline fishing for Patagonian toothfish Dissostichus eleginoides in the South African ... Exclusive Economic Zone around the Prince Edward Islands commenced in 1996. This paper summarises seabird ... % more than the number of hooks set in 1997-98, but only 79 seabirds (150/0 of the total killed in 1997 ... birds per 1000 hooks, compared with 0.289 in 1996-97 and 0.117 in 1997-98. Comparisons between years for ...

    Meeting Document : WG-FSA-99/42 Rev. 1 : Author(s): P.G. Ryan and B.P. Watkins (South Africa)

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