Search results
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Continuation of multi-Member research on the Dissostichus mawsoni exploratory fishery in East Antarctica (Divisions 58.4.1 and 58.4.2) from 2018/19 to 2021/22
research progress including the evaluation of standard approaches to identify precautionary catch limits ... profile for this fishery. Furthermore, examination of bycatch data and underwater video footage have not ... led to the identification of vulnerable marine ecosystem (VME) indicator species (Maschette et al ... profile of this fishery and to allow more time for review by Working Groups of major reporting and review ...
Meeting Document : WG-FSA-2019/44 : Author(s): Delegations of Australia, France, Japan, Republic of Korea and Spain
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CASAL model evaluation incorporating the calculation of harvest rate for D. eleginoides at Division 58.4.4b
Abstract: In order to achieve the milestone “1.5 Update CASAL model” of the ongoing research plan ... an exploration of the impact of Age Length Keys (ALK), CPUE standardization, and different scenarios ... of IUU on the CASAL assessment, especially B0 estimation. Furthermore, we estimated the harvest rate ... built to assess the stock of D. eleginoides at the research block 1 of Division 58.4.4b. The base model ...
Meeting Document : WG-FSA-2019/62 : Author(s): T. Okuda and F. Massiot-Granier
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EU PROPOSAL FOR AMENDMENT TO CCAMLR CONSERVATION MEASURE 10-07 TO ALLOW FOR INTERSESSIONAL DE-LISTING OF IUU VESSELS
FOR INTERSESSIONAL DE-LISTING OF IUU VESSELS Explanatory Memorandum Over the course of last years ... , CCAMLR adopted Conservation Measures 10-06 and 10-07 which provide for the identification of individual ... dynamic nature of IUU fishing activities, the lists can rapidly become obsolete. As a result, it was one ... of the recommendations of the Performance Review Panel that "CCAMLR should review the process ...
Meeting Document : CCAMLR-XXIX/43 : Author(s): Delegation of the European Union
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EU PROPOSAL FOR AMENDMENT TO CCAMLR CONSERVATION MEASURE 10-06 TO ALLOW FOR INTERSESSIONAL DE-LISTING OF IUU VESSELS
FOR INTERSESSIONAL DE-LISTING OF IUU VESSELS Explanatory Memorandum Over the course of last years ... , CCAMLR adopted Conservation Measures 10-06 and 10-07 which provide for the identification of individual ... dynamic nature of IUU fishing activities, the lists can rapidly become obsolete. As a result, it was one ... of the recommendations of the Performance Review Panel that "CCAMLR should review the process ...
Meeting Document : CCAMLR-XXIX/42 : Author(s): Delegation of the European Union
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DEPREDATION AROUND SOUTH GEORGIA AND THE IMPLICATIONS ON STOCK ASSESSMENT OF D. ELEGINOIDES
levels of depredation caused by killer whales (Orcinus orca) and sperm whales (Physeter macrocaphalus ... ) around South Georgia. Since 2003 cetaceans have been observed on 3000 out of 14644 observed lines (20.5 ... examined and varied from 0.9% to 5.8% of the TAC per year over the time period. Additional work was also ... conducted which looked at the behaviour of cetaceans around fishing vessels in the area. To aid ...
Meeting Document : WG-FSA-09/16 : Author(s): J. Moir Clark, D.A. Agnew, P. McCarthy and M. Unwin (United Kingdom)
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Two decades of variability in krill predators at Bird Island, South Georgia and their potential as ecosystem indicators
Abstract: The breeding performance of seabirds and seals at Bird Island, South Georgia, in the ... Southern Ocean, has been recorded annually for over two decades as part of a large marine ecosystem ... monitoring programme. We examined the mechanistic relationships between, and patterns of inter-annual ... included foraging performance, offspring survival, offspring mass, the contribution of Antarctic krill ...
Meeting Document : WG-EMM-12/16 : Author(s): S.L. Hill, C.M. Waluda, H.J. Peat and S. Fielding (United Kingdom)
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Descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in Subareas 88.1 & 88.2 for the years 2000–01 to 2010–11
Abstract: Descriptive analyses of the toothfish tagging programme in Subareas 88.1 and 88.2 are ... updated, including summaries of data for the 2011 season. Overall, a total of 28 458 Antarctic toothfish ... recaptured since 2001. In recent years, most vessels have achieved or exceeded the target tagging rate of one ... toothfish per tonne of catch in the Ross Sea region. Tag recapture data showed that most fish are recorded ...
Meeting Document : WG-FSA-11/46 : Author(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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Oxygen and carbon stable isotopes in otoliths record spatial isolation of Patagonian toothfish (Dissostichus eleginoides)
otoliths of oceanic fish can resolve water masses and geographic areas, promising a powerful multivariate ... side of a population boundary, and otolith δ18O and δ13C values were measured to see if they could ... distinguish South American-caught fish from those taken in the Antarctic. Values of δ18O and δ13C predicted ... prior evidence of population isolation. Values of δ18O in the otoliths reflected ambient values as well ...
Meeting Document : WG-FSA-08/P03 : Author(s): J.R. Ashford and C.M. Jones
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Among-year variation in growth of Antarctic krill Euphausia superba based on length-frequency data
Abstract: Understanding the temporal variability in vital rates (e.g. growth and survivorship) of ... to mechanistic drivers and their population consequences. For somatic growth, empirical estimates of ... estimating growth from observed length-frequency samples by combining kernel density estimates of the length ... Southern Ocean over a span of 19 yr to document among-year variation in krill growth during the austral ...
Meeting Document : WG-EMM-13/P01 : Author(s): A.O. Shelton, D. Kinzey, C. Reiss, S. Munch, G. Watters and M. Mangel (USA)
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A proposal for the establishment of a Ross Sea Region Marine Protected Area
Abstract: The delegations of New Zealand and the United States submit this revised proposal for ... the establishment by the Commission for the Conservation of Antarctic Marine Living Resources ... (Commission or CCAMLR) of a marine protected area (MPA) in the Ross Sea Region (“Ross Sea Region Marine ... resources; maintain ecosystem structure and function; protect vital ecosystem processes and areas of ...
Meeting Document : CCAMLR-XXXII/27 : Author(s): Delegations of New Zealand and the USA