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1. Age-structured production model for toothfish at South Georgia

   through the introduction of a new annual selectivity function, modelled as a unimodal, algebraically ... , by allowing all parameters to be estimated in this way the model is over-parameterised and regularly ... reaches preset parameter boundaries. With one or two parameters of the selectivity estimated only once the ... high weight in the fitting, then the model has sufficient flexibility to change the selectivity to fit ...

   Meeting Document : WG-FSA-SAM-05/18 : Author(s): A. Payne, G.P. Kirkwood, R. Hillary and D.J. Agnew (United Kingdom)

2. Informational report on research fishing for Dissostichus spp. in Subarea 48.1 by Ukraine in 2019

   purposes in the statistical subarea 48.1 on board of the fishing vessel “Calipso” (Fig. 1) (the shipowner ... LLC “Fishing Company “NEPTUNO”, Ukraine) were carried out in accordance with the research plan WG-FSA ... research fishing for Dissostichus spp. in Subarea 48.1 by Ukraine in 2019 Microsoft Word File:  sam-2019-33 ...

   Meeting Document : WG-SAM-2019/33 : Author(s): P. Zabroda, L. Pshenichnov and K. Demianenko

3. WS-AREA 48-98

   variability and the behavioural dynamics of Antarctic fur seals in the South Atlantic I.L. Boyd (UK) WS-AREA ... -98/19 Draft only for discussion at Area 48 workshop: variation in condition of the mackerel icefish I ... ecosystem: biological and physical sources of variation in the abundance of krill E.J. Murphy, J.L. Watkins ... . Trathan and E.J. Murphy (UK) WS-AREA 48-98/11 Concordance of inter-annual fluctuations in densities of ...

   Meeting

4. Lead-radium dating provides a framework for coordinating age estimation of Patagonian toothfish (Dissostichus eleginoides) between fishing areas

   valid ages for juvenile to older adult groups, which were consistent with the counting of otolith growth ... revealed minor biases between the radiometric age and interpretation of growth zone counting for regional ... estimates range from approximately 20 to more than 50 years. In this study, lead-radium dating provided ... zones in transverse otolith sections, and longevity estimates exceeding 30 years. Lead-radium dating ...

   Meeting Document : WG-FSA-11/P01 : Author(s): A.H. Andrews, J.R. Ashford, C.M. Brooks, K. Krusic-Golub, G. Duhamel, M. Belchier, C.C. Lundstrom and G.M. Cailliet

5. Heart rate and behaviour of fur seals: implications for measurement of field energetics

   heart rate in 23 free-ranging antarctic fur seals. Deployments averaged 9.6 ± 5.6 days (SD) and totaled ... 191 days of recording. Heart rate averaged 108.7 ± 17.7 beats/min (SD) but varied from 83 to 145 beats ... /min among animals. Morphometrics explained most variations in heart rate among animals. These ... activity patterns. Heart rate was also correlated with behavior over time lags of several hours. There was ...

   Meeting Document : WG-EMM-99/36 : Author(s): I.L. Boyd, R.M. Bevan, A.J. Woakes and P.J. Butler (United Kingdom)

6. Populations of surface-nesting seabirds at Marion Island, 1994/95 to 2002/03

   in numbers of king penguin chicks surviving to the end of winter. Author(s):  R.J.M. Crawford, J ... Abstract:  During the 1990s and early 2000s, populations of surface-nesting seabirds at Marion ... Island showed different trends, but for the majority of species numbers decreased. Reduced numbers of ... attributed to an altered availability of food. Decreases in numbers of dark-mantled sooty albatrosses ...

   Meeting Document : WG-EMM-03/8 : Author(s): R.J.M. Crawford, J. Cooper, B.M. Dyer, M.D. Greyling, N.T.W. Klages, P.G. Ryan, S.L. Petersen, L.G. Underhill, L. Upfold, W. Wilkinson, M.S. de Villiers, S. du Plessis, M. du Toit, T.M. Leshoro, A.B. Makhado, M.S. Mason, D. Merkle, D. Tshingana, V.L. Ward and P.A. Whittington (South Africa)

7. A method for preparing large numbers of otolith sections for viewing by scanning electron microscope

   Abstract:  In an investigation of the age structure of a population of Notothenia coriiceps ... facilitate present methods of ageing fish populations, especially for fishery work in the Antarctic where ... Richardson at the South Orkney Islands, Antarctica, the microstructure of otoliths was examined. Progress is ... reported on a method used for processing large numbers of otoliths using a scanning electron microscope ...

   Meeting Document : WG-FSA-93/07 : Author(s): J.R. Ashford, K. Robinson and M.G. White (United Kingdom)

8. WG-CEMP-93

   , South Shetland Islands, as a site included in the CCAMLR Ecosystem Monitoring Program Delegations of ... participants WG-CEMP-93/03 List of documents WG-CEMP-93/04 Parameters for a model of the functional ... (USA) WG-CEMP-93/05 Draft management plan for the protection of Cape Shirreff and the San Telmo Islands ... Chile and the United States WG-CEMP-93/06 Population dynamics of black-browed and grey-headed ...

   Meeting

9. Proposal for a New SCAR KRILL Action Group

   Abstract:  On behalf of the Scientific Committee Bettina Meyer (Germany) received the mandate to ... regard a proposal was submitted on 18 th February 2018 to SCAR (see attachment). The defence of the ... proposal is on the 18 th June 2018 at the SCAR Open Science Conference in Davos. An update on the further ... initiate a krill specialist group within SCAR’s Life Sciences Group with strong linkage to CCAMLR. In this ...

   Meeting Document : WG-EMM-18/01 Rev. 1 : Author(s): B. Meyer, A. Brierley, S. Kawaguchi, C. Reiss and S. Nicol

10. Data from krill questionnaire

    fishing in Subarea 48.1 in March-June 2001; five questionnaires were completed. Submission of these data ... were delayed due to email communication problems with the vessel. This is the first set of ... Abstract:  Data from the krill questionnaire are presented for the Polish-flagged vessel Acamar ... questionnaires to be completed and returned to the Secretariat. Author(s):  Secretariat Title:  Data from krill ...

    Meeting Document : WG-EMM-01/70 : Author(s): Secretariat

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