Résultats de la recherche
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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 ... current biomass and age structure. Consideration is given to its application to the assessment of ... 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 ...
Meeting Document : WG-FSA-SAM-05/16 : Auteur(s): I. Ball and A.J. Constable (Australia)
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Ecosystem studies carried out during the second Ukrainian Marine Antarctic Expedition in Subareas 48.2 and 48.1 in 1998
Abstract: In 1998 the 2nd Ukrainian Marine Complex Antarctic Expedition (UMCAE) on board ... scientific research vessel "Ernst Krenkel" took place in the western part of the Atlantic sector of ... the Antarctic. It was arranged by the Ukrainian Antarctic Center of the Ministry for Affairs of ... Science and Technologies of Ukraine. The preliminary analysis of the data compiled allows revealing some ...
Meeting Document : WG-EMM-00/5 : Auteur(s): V. Bibik and P. Gozhik (Ukraine)
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EFFECT OF STERN-SETTING TUNNEL ON THE SINK RATE OF INTEGRATED WEIGHT LONGLINE (IWL)
line exits the baiting machine, which is positioned in the aft section of the stern setting deck, to ... stern-setting tunnel, and the proposed experimentation to evaluate this method's effect on the sink ... rate of demersal integrated weight longline (IWL). The stern setting tunnel consists of an elongated ... steel tube, built in to the longliner during a dry-dock refit. The tube angles downwards from where the ...
Meeting Document : WG-FSA-08/38 : Auteur(s): I. Hay and G. Robertson (Australia)
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Revised research plan for the 2013/14 exploratory longline fishery of Dissostichus spp. in Subarea 48.6
Abstract: Catch and effort data recorded by all vessels were analyzed using the latest CCAMLR C2 ... and observer data. The stock size estimates for research blocks were revised following advice in the ... such a way that the numbers of tag recoveries in the 2016 season shows an approximately 0.3 of ... coefficient variance of biomass estimate from the bootstrapped procedure, under the condition that the ...
Meeting Document : WG-FSA-13/37 : Auteur(s): Delegation of Japan
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Preliminary investigations into a two-area stock assessment model for Antarctic toothfish (Dissostichus mawsoni) in the Amundsen Sea Region
Abstract: In 2013, the Scientific Committee of CCAMLR could not achieve consensus on a stock ... status for Antarctic toothfish in the Amundsen Sea Region (ASR- Subarea 88.2 SSRUs 88.2C-H) and ... noted that the assessments were unable to fit the patterns in the recaptures of tagged fish seen in SSRU ... 88.2H. As a consequence, WG-SAM requested further runs be carried out with emigration estimated in the ...
Meeting Document : WG-FSA-14/57 : Auteur(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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The Ross Sea, Antarctica, where all ecosystem processes still remain for study
Abstract: The Ross Sea is a well-defined embayment of Antarctica about the size of southern ... Europe, bounded by Victoria Land to the west; King Edward VII Peninsula, Marie Byrd Land, to the east ... ; the Ross Ice Shelf to the south; and the Southern Ocean, Pacific Sector, to the north. Its waters are ... composed of two related biotic systems: the Ross Sea Shelf Ecosystem (RSShE) and the Ross Sea Slope ...
Meeting Document : WG-EMM-02/60 : Auteur(s): D. Ainley (USA)
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Preliminary assessment of Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on a survey in May 2002
58.5.2 in the vicinity of Heard Island in May 2002 to provide the information for an assessment of long ... -term annual yield in the 2002/2003 CCAMLR season and beyond. This paper provides a preliminary ... assessment of yield using the assessment methods of CCAMLR, a summary of which is presented here. The ... estimate of biomass of juvenile Patagonian toothfish in the vicinity of Heard Island was similar to the ...
Meeting Document : WG-FSA-02/70 : Auteur(s): A.J. Constable, R. Williams and T. Lamb (Australia)
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DISTRIBUTION AND ABUNDANCE OF ANTARCTIC TOOTHFISH IN THE ROSS SEA
the purposes of addressing items on the FEMA 2 agenda. It summarises the management of the fishery ... , catch and effort, size distribution, and tagging data collected from the Antarctic toothfish fishery up ... to the 2007/08 fishing year. It focuses in particular on Antarctic toothfish catches taken from the ... continental shelf of the Ross Sea itself, because this is the area where any ecosystem effects related to ...
Meeting Document : WG-EMM-09/40 : Auteur(s): S.M. Hanchet, S. Mormede and A. Dunn (New Zealand)
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A proposal for compiling information, assessments and science that underpin established CCAMLR Marine Protected Areas and provide the basis for ongoing management, science and review: an MPA Report
Abstract: The General Framework for the Establishment of CCAMLR Marine Protected Areas in ... Conservation Measure 91-04 provides the necessary guidance to the Commission for formulating a conservation ... the Scientific Committee. We propose that a method is needed for consolidating and maintaining that ... advice in a readily accessible document, which can then form the basis for review, refinement and ...
Meeting Document : WG-EMM-12/49 : Auteur(s): A. Constable, M. Guest, D. Welsford (Australia), P. Koubbi (France) and L. Weragoda (Australia)
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Revised research plan for the 2013/14 exploratory longline fishery of Dissostichus spp. in Division 58.4.2
observer data. The stock size estimates for the research block (5842E) was revised following advice in the ... such a way that the numbers of tag recoveries in the 2016 season shows an approximately 0.3 of ... coefficient variance of biomass estimate from the bootstrapped procedure, under the condition that the ... exploitation rate (sample size / estimated stock size) would not exceed 3.5 %. The tentatively estimated sample ...
Meeting Document : WG-FSA-13/39 : Auteur(s): Delegation of Japan