Search results
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Revision of the fishery–foraging overlap model
on Ecosystem Monitoring and Management and its Subgroup on Statistics in 1997. The review found that ... the index calculated in that model did not directly measure overlap between penguin foraging demands ... and the krill fishery in waters around the South Shetland Islands and Antarctic Peninsula, but rather ... Secretariat was tasked with the revision of the model, including modifications to the model in terms of both ...
Meeting Document : WG-EMM-98/05 : Author(s): Secretariat
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Management of VMS information by the Secretariat concerning catches of Patagonian toothfish beyond the Convention Area
their markets, that VMS reports by vessels that capture toothfish be transmitted previously and in real ... proposes that when Contracting States voluntarily report the activities performed in waters beyond the ... CCAMLR data bases in a timely manner and made readily available for consultation by those State Parties ... . This is proposed to be carried out through a modification of Conservation Measure 10-04 (2007) in ...
Meeting Document : CCAMLR-XXIX/46 : Author(s): Delegation of Chile
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ICED workshop and conference session on Southern Ocean foodwebs and scenarios of change
ecosystems in order to help inform management of Southern Ocean fisheries. ICED will convene a workshop and ... conference session in the near future in order to address these issues. The theme of the November 2013 ... session is “Detecting, projecting and managing the impacts of change in Southern Ocean ecosystems”. We ... encourage scientists that contribute to CCAMLR to participate in these activities with a view to improving ...
Meeting Document : WG-EMM-13/13 : Author(s): R.D. Cavanagh on behalf of the international ICED Scientific Steering Committee
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CCAMLR-IWC WORKSHOP TO REVIEW INPUT DATA FOR ANTARCTIC MARINE ECOSYSTEM MODELS: UPDATE ON PROGRESS 2008
” will be held at the CCAMLR Headquarters in Hobart Australia on 11-15 August 2008. This paper provides ... for which is being discussed with scientists involved in ACAP. An additional expert group has been ... added early in 2008 to review the state of the datasets on the exploitation of Southern Ocean species ... material is outlined as a complete set the contents reveals itself to be a potentially exciting volume in ...
Meeting Document : WG-EMM-08/15 : Author(s): A. Constable and N. Gales (Co-conveners)
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Modeling the growth dynamics of Antarctic krill
processes included in the model were ingestion, assimilation efficiency, a baseline respiration. respiratory ... resulted in the transfer of individuals to the next highest size class (growth), whereas negative net ... production resulted in transfer to the next smallest size class (shrinkage). Size-dependent parameterizations ... in the current literature. The model was forced with an environmental time series of food (pelagic ...
Meeting Document : WG-EMM-96/68 : Author(s): Lascara, C.M., Hofmann, E.E.
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An evaluation of reduced target strength estimates reported for krill (Euphausia superba)
derived from them. Their results can be shown to have significant weaknesses in both data used and ... assumptions made in calculating target strength. Whether the results of these papers are valid is critically ... in the Antarctic. The weaknesses in their data stem from the methods used to calculate target ... strength from the data and fall into three categories: 1) Errors in measurements and assumptions; 2 ...
Meeting Document : WG-KRILL-90/13 : Author(s): M.C. Macaulay (USA)
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Hydroacoustic surveys of the distribution and abundance of krill: Prydz Bay region – FIBEX, ADBEX II and SIBEX II
Dana, were undertaken in the Prydz Bay region, Antarctica. Three surveys were carried out south of 60°S ... of error in the echointegration technique are presented. Quantitative data are presented on the ... abundance (biomass) of krill in the Prydz Bay region as a whole and the weight density of krill along each ... cruise track is presented in graphical form. These data demonstrate a patchy density distribution with ...
Meeting Document : SC-CAMLR-VII/BG/40 : Author(s): Delegation of Australia
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Progress towards a trophic model of the ecosystem of the Ross Sea, Antarctica, for investigating effects of the Antarctic toothfish fishery
Ross Sea is a low primary production system, with production being localised in space and time. In the ... considered a work in progress. Overall, the model is close to balance, with total exports of organic carbon ... balanced, due in part to limited information on diet fractions of Ross Sea organisms. Methods to adjust ... considerable predation pressure on some species of demersal fish. The significance of toothfish in the diets of ...
Meeting Document : WG-EMM-06/14 : Author(s): M. Pinkerton, S. Hanchet and J. Bradford-Grieve (New Zealand)
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Developing integrated assessments for Dissostichus eleginoides based on the CCAMLR precautionary approach
Abstract: This paper describes a possible method for implementing the precautionary approach in ... Dissostichus eleginoides in Division 58.5.2. CASAL and GYM are key elements in the implementation described in ... this paper but the methodology is laid out in such a way that alternative software solutions could be ... used in either or both of their places. The framework for this procedure has four main components. The ...
Meeting Document : WG-FSA-SAM-05/16 : Author(s): I. Ball and A.J. Constable (Australia)
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Report to CCAMLR-XXIX on the implementation of the Agreement on the Conservation of Albatrosses and Petrels
revealed that the most effective measures to reduce incidental take of seabirds in pelagic longline ... ;- setting at night; and- actively deterring birds from baited hooks by means of bird scaring lines, in ... combination with appropriate line weighting. The SBWG also reviewed progress in bycatch mitigation research ... take of seabirds in trawl fisheries is the effective management of offal discharge and fish discards ...
Meeting Document : CCAMLR-XXIX/BG/18 : Author(s): ACAP Secretariat