Search results
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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
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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
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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)
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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)
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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
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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
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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)
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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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CEMP Indices: 2015 update on data submissions and analyses
Abstract: The CCAMLR Ecosystem Monitoring Program (CEMP) was established to detect changes in ... in accordance with the ‘ecosystem approach’. In 2015 data has been submitted by 9 Members for 15 ... sites and 12 CEMP parameters. This report provides a summary of CEMP data submissions for the 2015 ... krill-based ecosystems to provide a basis for regulating harvesting of Antarctic living marine resources ...
Meeting Document : WG-EMM-15/07 Rev. 1 : Author(s): CCAMLR Secretariat
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Reducing seabird by-catch with an underwater longline setting funnel
Abstract: We tested the efficacy of a Mustad underwater setting funnel to reduce seabird bycatch ... in a demersal longline fishery for Patagonian toothfish Dissostichus eleginoides. The funnel, which ... deploys the longline 1-2 m beneath the sea surface, was used on 52% of 1714 sets (total effort 5.12 ... ), and was dominated by White-chinned Petrels Procellaria aequinoctialis (88% of the 114 birds killed ...
Meeting Document : WG-FSA-00/29 : Author(s): P. Ryan and B. Watkins (South Africa)