Resultados de la búsqueda
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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 : Autor(es): I. Ball and A.J. Constable (Australia)
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Modifications to the Generalised Yield Model in 2004, version GYM501E.EXE
Abstract: The Generalised Yield Model is used by the WG-FSA in the assessments of Champsocephalus ... gunnari, Dissostichus eliginoides and Euphausia superba. Its current version is GYM501D.EXE. In the course ... of reviewing the methods for estimating the time series of recruitments of D. elegionoides for WG-FSA ... in 2004 an error in the calculation of the recruitment series from survey data was detected. This ...
Meeting Document : WG-FSA-04/91 : Autor(es): A.J. Constable (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 : Autor(es): 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 : Autor(es): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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Revised research plan for the 2016/17 exploratory longline fishery of Dissostichus spp. in Subarea 48.6 by South Africa and Japan
Abstract: South Africa and Japan have revised the next season’s (2016/17) research plan in ... Subarea 48.6 using the latest CCAMLR C2 and Observer data, following several advices during WG-SAM meeting ... in 2016. We have used extracted data provided by CCAMLR Secretariat in this late August for the ... current analysis, but not used the cleaning data provided by them in this early September due to tight ...
Meeting Document : WG-FSA-16/32 Rev. 1 : Autor(es): Delegations of Japan and South Africa
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Progress towards an assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 882C–H for the years 2002/03 to 2017/18 using a two-area model
Antarctic toothfish (Dissostichus mawsoni) in the Amundsen Sea region, defined here as SSRUs 88.2C–H. The ... region is split into two areas: the North (SSRU 88.2H) comprising large mature fish, and the South (SSRUs ... were first developed for the region in 2014 and refined in 2015 and 2016. Results showed the need to ... collect mark-recapture data in the South to inform the estimation of biomass in the South. Simulation work ...
Meeting Document : WG-FSA-18/37 : Autor(es): S. Mormede and S. Parker
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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 : Autor(es): V. Bibik and P. Gozhik (Ukraine)
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EFFECT OF STERN-SETTING TUNNEL ON THE SINK RATE OF INTEGRATED WEIGHT LONGLINE (IWL)
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 ... line exits the baiting machine, which is positioned in the aft section of the stern setting deck, to ...
Meeting Document : WG-FSA-08/38 : Autor(es): I. Hay and G. Robertson (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 : Autor(es): Delegation of Japan
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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 : Autor(es): D. Ainley (USA)