Résultats de la recherche

1. Report of the Steering Committee for the WG-EMM Workshop on Plausible Ecosystem Models for Testing Approaches to Krill Management

   workshop at WG-EMM 2004. The overarching Terms of Reference are (i) to review the approaches used to model ... assessment systems. As agreed at WG-EMM in 2003, intersessional activities have included (i) provision of ... in the development of models at the workshop, (ii) a review of relevant literature and information on ... Abstract:  This paper reports on the intersessional activities of the Steering Committee of the ...

   Meeting Document : WG-EMM-04/25

2. Age Determination of Notothenia gibberifrons from the South Shetland Islands, Antarctic Peninsula Subarea (Subarea 48.1)

   Abstract:  Age determination was carried out on Notothenia gibberifrons specimens collected at two ... localities of the South Shetland Islands (Low I. and Potter Cove, 25 De Mayo I./King George). Samples were ... composed by small and medium size fishes (14.8-38 cm of total length). Otolith and scale readings have been ... compared in 19 Potter specimens. In some of them scale readings resulted one year greater. This could arise ...

   Meeting Document : WG-FSA-88/15 : Auteur(s): E. Barrera-Oro (Argentina)

3. Synopsis of CEMP and non-CEMP predator parameters from Admiralty Bay and Cape Shirreff, South Shetland Islands, Antarctica: their relationships to krill abundance and ice cover, 1978–2003

   Abstract:  A suite of CEMP and non-CEMP parameters collected at Admiralty Bay and Cape Shirreff ... K.Reid for similar analyses at South Georgia. The tabular data include: 1. Table 1. A list of the penguin ... , South Shetland Islands, Antarctica were analysed to assess the characteristics of the individual ... . Results of the analyses are presented in a series of 6 Tables, following the outline of a Draft paper by ...

   Meeting Document : WG-EMM-03/61 : Auteur(s): W.Z. Trivelpiece (USA), K. Salwicka (Poland) and S.G. Trivelpiece (USA)

4. Distribution and ecology of Chaenocephalus aceratus (Channichthyidae) around South Georgia and Shag Rocks (Southern Ocean).

   Rock shelves although few fish were caught at Shag Rocks. Analysis of length frequency data indicated ... Abstract:  Chaenocephalus aceratus (Family Channicthyidae) is one of the dominant species of ... that growth was fast in the first five years with males and females attaining lengths at first spawning ... of 440 mm TL and 520 mm TL. The diet was comprised of fish and crustaceans, with an ontogenetic shift ...

   Meeting Document : WG-FSA-07/P5 : Auteur(s): W.D.K Reid, S. Clarke, M.A. Collins and M. Belchier. (Polar Biol., 30 (12): 1523–1533 (2007))

5. Spatial scales of benthic invertebrate habitats from fishery by catch and video transect data in the Ross Sea region

   occurred at a typical scale of 10-30 km 2, though some sponge habitats appeared larger. Spatial analysis of ... Abstract:  High resolution VME taxa bycatch data (at the longline segment level) has been ... presence of sponge and/or gorgonian bycatch are identifiable, as are several areas of dense fishing effort ... with no evidence of sponge or gorgonian presence. Identifiable sponge and/or gorgonian habitats ...

   Meeting Document : WG-EMM-10/28 : Auteur(s): S.J. Parker, R.G. Cole and S.M. Hanchet (New Zealand)

6. Patterns of change in Antarctica

   Abstract:  Hard copies of the infographic will be circulated at CCAMLR-XXXIV. Author(s ... ):  Delegation of the United Kingdom (Hard copies of the infographic will be circulated at CCAMLR-XXXIV) Title ... :  Patterns of change in Antarctica Microsoft Word File:  cc-xxxiv-bg-01.docx Approval:  Approved Secretariat ...

   Meeting Document : CCAMLR-XXXIV/BG/01 : Auteur(s): Delegation of the United Kingdom (Hard copies of the infographic will be circulated at CCAMLR-XXXIV)

7. Observations of Adélie penguins in two seasons with contrasting weather and sea-ice conditions – a brief report

   -01 (19 days compared with 13). We suggest a combination of environmental factors operating at ... Abstract:  The 2002-03 breeding season in comparison with 2000-01 at Edmondson Point was ... characterised by unusual sea ice and weather condition. Strong southerly winds and snow were experienced at the ... in by the presence of the large icebergs. This resulted in extensive sea ice lasting into February ...

   Meeting Document : WG-EMM-03/59 : Auteur(s): S. Olmastroni, F. Pezzo, V. Volpi and S. Focardi (Italy)

8. Preliminary assessment of the South Georgia ray populations

   off lines at the water surface should have increased survivorship of discarded rays, although this ... accuracy and duration of CPUE data and the results of an ongoing mark-recapture experiment for rays at ... Abstract:  We modelled the ray population at South Georgia using a surplus production model ... from a variety of sources, and included the consideration that since 2004 the practice of cutting rays ...

   Meeting Document : WG-SAM-07/11 : Auteur(s): D.J. Agnew, R. Mitchell, T. Carruthers, J. Roberts, R. Hillary and J. Pearce (United Kingdom)

9. THE DIET OF THE ANTARCTIC TOOTHFISH IN THE ROSS SEA

   is low. Here the diet of D. mawsoni consists of relatively small squid of at least six different ... Abstract:  This brief review documents the species composition of prey consumed by the Antarctic ... by both frequency of occurrence and dry weight. P. antarcticum is 71% by occurrence and 89% by weight ... frequently consumed prey groups at 78-86% and 5-14%, respectively. Pleuragramma are absent from the warmer ...

   Meeting Document : WG-EMM-09/16 : Auteur(s): J.T. Eastman and A.L. DeVries (USA)

10. UPDATE ON INTERSESSIONAL WORK BY THE SUBGROUP ON STATUS AND TRENDS ASSESSMENT OF PREDATOR POPULATIONS (WG-EMM-STAPP)

    at estimating krill consumption by pack ice seals, fur seals, penguins and flying seabirds in small ... , reviewing diet and developing energetics models. The major task now requiring attention for estimation of ... krill consumption for SSMUs is the development of foraging distribution models for fur seals and ... penguins, and at-sea abundance distribution models for flying seabirds, to partition at-sea consumption by ...

    Meeting Document : WG-EMM-11/30 : Auteur(s): C. Southwell, L. Emmerson (Australia), J. Forcada (UK), M. Goebel, J. Hinke, H. Lynch (USA), P. Lyver (New Zealand), J. McKinlay (Australia), N. Ratcliffe (UK), D. Ramm, K. Reid (CCAMLR Secretariat), C. Reiss, W. Trivelpiece, S. Trivelpiece (USA) and P. Trathan (UK)

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