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1. A review of models of Southern Ocean ecosystems: krill, ecosystems and the impacts of harvesting

   Abstract:  An ecosystem approach for the management of human activities in the Southern Ocean is ... enshrined in the principles of the Commission for the Conservation of Antarctic Marine Living Resources ... (CCAMLR). The implementation of such an approach requires an understanding of the wider dynamics of the ... ecosystem, which is best achieved through the development of ecosystem models. However, not all models will ...

   Meeting Document : WG-EMM-04/67 : Author(s): S.L. Hill, E.J. Murphy, K. Reid, P.N. Trathan (United Kingdom), A. Constable (Australia)

2. Modelling the consequences of Antarctic krill harvesting of Antarctic fur seals

   Abstract:  In terms of the convention governing the Commission for the Conservation of Antarctic ... Marine Living Resources (CCAMLR), management advice for the Antarctic krill (Euphausia superba) fishery ... should take the needs of the predators of krill into account in order to reduce the risk of deleterious ... ). A single species yield model is currently being used by the CCAMLR Scientific Committee to recommend ...

   Meeting Document : WG-EMM-01/66 : Author(s): R.B. Thomson, D.S. Butterworth (South Africa), I.L. Boyd and J.P. Croxall (United Kingdom)

3. Pursuit and polynyas in the Ross Sea, Antarctica

   influence biological activity. We pursued daily transition of polynyas in the Ross Sea, Antarctica from 1978 ... through 1994 using images of sea ice concentrations by the satellite microwave observations. A typical ... polynya existed in the inner area of the Ross Sea in November of the each year. The shape of the polynya ... changed remarkably in several days. The polynyas have the range of approximately 500 km from the bottom to ...

   Meeting Document : WG-EMM-98/31 : Author(s): M. Naganobu, T. Tanaka, Y. Okada, N. Kimura and S. Matsumura (Japan)

4. The UK fish stock assessment survey bottom trawl for South Georgia

   Abstract:  Criteria for the choice of a trawl for demersal fish surveys are discussed. Details of ... the construction and performance of the 120 Bolt Rope Bottom Trawl used during the recent fish stock ... assessment survey around South Georgia on the Falklands Protector are presented. It is proposed to use this ... trawl during future surveys in the area in order to improve continuity in the survey series. The design ...

   Meeting Document : WG-FSA-91/16 : Author(s): G. Parkes (United Kingdom)

5. Further development of the fishery plans

   Abstract:  The Secretariat has been developing Fishery Plans under the Regulatory Framework ... established by the Scientific Committee and Commission. In recent years, Plans have been drafted for the krill ... /6). Each Fishery Plan draws together the history of management measures and fishery requirements ... agreed by the Commission, as well as key operational information for each fishery. In 2004, the ...

   Meeting Document : WG-FSA-SAM-04/04 : Author(s): Secretariat

6. Updated progress report on the research fishery for Dissostichus spp. in Subarea 48.6 being jointly undertaken by Japan and South Africa: 2012/13 and 2013/14

   as outlined in CM 41-04 (2012 & 2013) during the 2012/13 fishing season. Progress achieved during ... the 2012/13 season and the first seven months of the 2013/14 season are reported. This paper updates ... and replaces WG-SAM-14/10. Over the first 19 months of the Research fishery a total of 279 ... recaptured. Even though almost 50% of the recaptures are within season the progress in the northern section ...

   Meeting Document : WG-FSA-14/67 : Author(s): R. Leslie (South Africa), K. Taki, T. Ichii (Japan) and S. Somhlaba (South Africa)

7. Predation release of Antarctic silverfish (Pleuragramma antarctica) in the Ross Sea

   Abstract:  Between 2001 and 2013 the number of breeding pairs of Adélie penguins (Pygoscelis ... adeliae) at breeding colonies in the southern Ross Sea more than doubled from about 235 000 to more than ... contributed to the increase in Adélie penguin numbers. This paper brings together information on the biomass ... , consumption rates and diets of toothfish and Adélie penguins over the Ross Sea shelf as a first test of the ...

   Meeting Document : WG-EMM-15/53 : Author(s): M.H. Pinkerton, P. Lyver, D. Stevens, J. Forman, R. Eisert and S. Mormede (New Zealand).

8. Extending the time series of catch-weighted length frequencies

   Abstract:  The standard procedure used to extract catch-weighted length frequencies can only make ... use of CCAMLR data for D. eleginoides in Subarea 48.3 collected in the seasons 1992/93 and from 1994 ... /95 onwards. The procedure cannot use the earlier data collected between 1984/85 and 1991/93, and data ... from 1993/94 because of a mismatch in Flag State which presently occurs between the length and catch ...

   Meeting Document : WG-FSA-SAM-06/04 : Author(s): David Ramm & Lydia Millar

9. Results of an acoustic investigation of Antarctic krill, Euphausia superba, biomass-density in the Elephant Island area in January/February 2001

   Abstract:  Results from an acoustic krill survey in the Elephant Island Area carried out Jan 27th ... installed on the R/V “Polarstern”. The collected acoustic data were post-stratified in three strata based on ... demographic results obtained by net sampling. Data files from the 38 kHz and 120 kHz recordings were prepared ... and processed according to protocols used for the CCAMLR 2000 Synoptic Survey. An average biomass ...

   Meeting Document : WG-EMM-02/30 : Author(s): M.A. Thomasson (Sweden), J.H. Emery (USA), J. Rademan (South Africa), R.P. Hewitt (USA) and B.I. Bergström (Sweden)

10. Revised research plan for the exploratory fisheries for Dissostichus spp. in Division 58.4.1 in 2014/15

    Abstract:  The stock sizes for five research blocks (5841_1, 5841_2, 5841_3, 5841_4 and 5841_5 ... ) were estimated by the Petersen estimator and the CPUE x seabed analogy method using updated CCAMLR C2 ... data and reference area sizes. The stock size using the Petersen estimator was generally different from ... that using the CPUE method in each block. As we proposed at the last WG-SAM meeting, since we have yet ...

    Meeting Document : WG-FSA-14/18 : Author(s): Delegation of Japan

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