Search results
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Demography of Antarctic krill in the Elephant Island area (Antarctic Peninsula) during austral summer 2001
Abstract: A net sampling survey was carried out for krill in an established standard station grid ... around Elephant Island during 27 January to 4 February 2001. Results show a spatial separation of the ... juvenile and the spawning stock. The station grid was extended to the south, where a large proportion of ... high krill abundance and the high recruitment index reflect the end of a succession of years with poor ...
Meeting Document : WG-EMM-01/10 : Author(s): V. Siegel (Germany), B. Bergström (Sweden), U. Mühlenhardt-Siegel (Germany) and M. Thomasson (Sweden)
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Rossii revisited: new information on the early history of the fishery for Notothenia rossii in Subarea 48.3
assessments, based on the incomplete data set, had indicated a 1970 biomass of 600 000 tonnes and an ... unrealistic stock history considering that this stock was the first to be exploited in the Antarctic. A VPA ... using the new data suggests that unexploited biomass was over 900 000 tonnes, and declined in a manner ... to be expected from a new fishery. However, on the basis of historical reports and analyses of stock ...
Meeting Document : WG-FSA-95/17 : Author(s): Agnew, D.J.
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Some principles for fisheries regulation from an ecosystem perspective
Abstract: The paper discusses some principles to be considered in the formulation of a framework ... subsiduary objectives for regulation which have a more rigorous scientific interpretation than the broad ... degree to which objectives are being met to be assessed. The advantages of using a feedback method of ... that estimates are required for the abundance of a stock in advance of the substantial development of a ...
Meeting Document : SC-CAMLR-V/BG/13 : Author(s): Delegation of Australia
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Demonstrating proof of concept of the application of systematic conservation planning at the circumpolar scale
Abstract: Systematic conservation planning is a recognised tool for advancing ongoing efforts to ... planning already underway in a number of priority areas within the Southern Ocean, this report looks at the ... at a whole of Southern Ocean scale. Such an analysis would provide technical support to planning for ... be incorporated into a whole of Southern Ocean context, while also enabling planning work to occur ...
Meeting Document : WG-EMM-10/34 : Author(s): D. Beaver, R. Nicoll, G. Llewellyn, P. Harkness, C. Hellyer and J. Turner (ASOC-WWF)
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Identification of Amblyraja species in the longline fishery in Subarea 48.3 – CCAMLR
Abstract: We describe a previously unknown Amblyraja, A..sp.anon, from South Georgia. In the past ... this form has been classified as Amblyraja. georgiana. A.sp.anon differs from A. georgiana in form ... A.georgiana. Male A. sp.anon attain 50% maturity at a total length of 97cm, 13 cm greater than the length at ... between 300-500m. We conclude that A.sp.anon probably a separate species from A.georgiana. For the ...
Meeting Document : WG-FSA-02/54 : Author(s): M. Endicott (United Kingdom), L.J.V. Compagno (South Africa) and D.J. Agnew (United Kingdom)
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State of the Antarctic and the Southern Ocean Climate System (SASOCS)
Abstract: The paper is a summary of a detailed review produced for submission to a scientific ... , P.J. Barrett, N.A.N. Bertler, T. Bracegirdle, D. Bromwich, H. Campbell, G. Casassa, A. N. Garabato ... , W.B. Lyons, K.A. Maasch, P.A. Mayewski, M.P. Meredith, C. Summerhayes, J. Turner, D. Vaughan, A. Worby ... paper provides a review of the key developments over the past two years in our understanding of physics ...
Meeting Document : CCAMLR-XXVI/BG/37 : Author(s): Submitted by SCAR
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Southern Ocean Network of Acoustics (SONA): Report on Acoustic Processing and Methods Workshop, Vigo, 24–25 April 2016
Abstract: In April 2016 Southern Ocean Network of Acoustics (SONA) hosted a workshop of its ... ; Metrics of data quality and DOIs; Summary statistics and a way forward for regional comparison; and ... Current and future collaboration and opportunities. This report is a summary of those agenda items. Author ... (s): S. Fielding, J. Thomas, C. Anderson, A. Conchon, A. Cossio, A. Dunford, P. Escobar-Flores, J ...
Meeting Document : WG-EMM-16/36 : Author(s): S. Fielding, J. Thomas, C. Anderson, A. Conchon, A. Cossio, A. Dunford, P. Escobar-Flores, J. Horne, T. Jarvis, R. Kloser and T. Ryan
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Evaluation of the effects of illegal, unregulated and unreported (IUU) fishing on the legal catch of fisheries for Dissostichus eleginoides
population at a productive level with only a small chance of become depleted. The increasing levels of ... populations of this species. As a result of IUU fishing, the catch limits set by CCAMLR are being reduced each ... by CCAMLR. The scenarios explored are with IUU annual catch at 0.33x, 1x, 2x and 4x a legal catch ... catch and the legal catch were combined in the catch history and a new long-term sustainable annual ...
Meeting Document : WG-FSA-02/69 : Author(s): A.J. Constable (Australia)
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Identifying marine protected areas (MPAs) in data-poor regions to conserve biodiversity and to monitor ecosystem change: an Antarctic case study
Abstract: The World Summit on Sustainable Development implementation plan requires, by 2012, a ... biodiversity. A great challenge for meeting this goal, particularly in data-poor regions, is to avoid ... inadvertant failure while giving science the time and resources to provide better knowledge. A staged process ... in the long term. We elaborate a procedure that would satisfy the first stage of identifying a RSMPA ...
Meeting Document : WS-MPA-11/05 : Author(s): A.J. Constable, B. Raymond, S. Doust, D. Welsford (Australia), P. Koubbi (France) and A.L. Post (Australia)
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Modelling the impact of krill fishing on seal and penguin colonies
Abstract: A key area of concern highlighted by the Scientific Committee of the Commission for the ... region. The dynamics of krill in this region are strongly influenced by advective processes. A key ... ) are necessary given that there is a flux of krill through this region with its islands habited by ... of a breeding colony but also the flux of krill through such areas. This paper outlines a proposed ...
Meeting Document : WG-EMM-05/14 : Author(s): É.E. Plagányi and D.S. Butterworth (South Africa)