Resultados de la búsqueda
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Establishing time-limited Special Areas for Scientific Study in newly exposed marine areas following ice shelf retreat or collapse in Subarea 48.1, Subarea 48.5 and Subarea 88.3 – Clarifications and options to further develop the 2015 proposal
Abstract: In 2015 the European Union proposed a draft Conservation Measure (CM) with the aim of ... collapse around the Antarctic Peninsula (CCAMLR-XXXIV/21). The proposed CM would establish Special Areas ... recommendation by the Antarctic Treaty Meeting of Experts on Climate Change in 2010. The scientific basis of the ... proposal received broad support from the Scientific Committee in 2015 (SC-CAMLR-XXXIV, paragraphs 8.14 to ...
Meeting Document : WG-EMM-16/27 : Autor(es): S. Grant and P. Trathan
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Research plan for the exploratory longline fishery for Dissostichus spp. in Subarea 88.3 in 2017/18
Abstract: The subarea 88.3 is a large area contained from 105° W to 70° W where has been closed ... to directed fishing following the results of a Chilean survey activities in 1998 (SC-CCAMLR-XVII/BG/7 ... ). Previous three research surveys conducted by the New Zealand and the Russian flagged vessels since 1998. It ... was noted that 8 D. Mawsoni were tagged by the New Zealand in the 2004/05 season and 123 D. Mawsoni ...
Meeting Document : WG-SAM-17/43 : Autor(es): Delegation of the Republic of Korea
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A preliminary model-based approach for estimating natural mortality of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea Region
directly to the productivity of a stock, stock status, and estimated precautionary yields. In the Ross Sea ... constant across age and sex. In 2018, the independent review of the Ross Sea region D. mawsoni stock ... assessment recommended that CCAMLR consider the robustness and reliability of estimating natural mortality in ... the stock assessment model. We undertake a preliminary investigation of estimating natural mortality ...
Meeting Document : WG-SAM-2019/04 : Autor(es): B. Moore, S. Mormede, S. Parker and A. Dunn
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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 ... submitted by Japan and France (WG-SAM19/08), the CASAL models for Dissostichus eleginoides at Division ... 58.4.4b were revised. Following WG-SAM-2019 suggestions (para 6.76 in the WG-SAM2019 report), we conducted ... an exploration of the impact of Age Length Keys (ALK), CPUE standardization, and different scenarios ...
Meeting Document : WG-FSA-2019/62 : Autor(es): T. Okuda and F. Massiot-Granier
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REPORTS UNDER ARTICLES X, XXI AND XXII OF THE CONVENTION AND CONSERVATION MEASURES 10-06 AND 10-07 – IUU FISHING AND IUU VESSEL LISTS 2009/10
Abstract: REPORTS UNDER ARTICLES X, XXI AND XXII OF THE CONVENTION AND CONSERVATION MEASURES 10 ... Lists for 2010. No additional reports have been received since that time. Therefore, at the time of ... Vessel List for 2010. Adopted IUU Vessel Lists 2. The combined IUU Vessel Lists adopted in 2009 are ... Conservation Measure 10-07 paragraph 16(ii) the Commission will consider recommendations from SCIC regarding ...
Meeting Document : CCAMLR-XXIX/16 : Autor(es): Secretariat
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Theoretical considerations for estimating the density of cohorts and mean recruitment of Patagonian toothfish (Dissostichus eleginoides) based on research trawl survey data
Abstract: The current method used by the Working Group on Fish Stock Assessment (WG-FSA) for ... assessing the long-term yield for toothfish fisheries in CCAMLR uses estimates of density of juvenile ... toothfish derived from research trawl surveys as an estimate of absolute abundance of recruitment to the ... fishery. At the 2003 meeting of WG-FSA a number of inconsistencies were identified in the estimation of ...
Meeting Document : WG-FSA-04/92 : Autor(es): C.R. Davies, E.M. van Wijk and A.J. Constable (Australia)
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Some components of uncertainty in the CCAMLR 2000 acoustical survey of krill
Abstract: Quickly studied and quantified were sources of uncertainty in the CCAMLR 2000 ... acoustical estimate of krill abundance in FAO statistical area 48. The variance in system calibration was ... evaluated in relation to the effects of variant water temperature and salinity on sound speed, sound ... and orientations. The uncertainty in species delineation was also investigated through the same ...
Meeting Document : WG-EMM-00/49 : Autor(es): D.A. Demer (USA)
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QUANTIFYING MOVEMENT BEHAVIOUR OF VESSELS IN THE ANTARCTIC KRILL FISHERY
Abstract: Ten years of recent finescale haul-by-haul krill data were used to characterize the ... behaviour of the krill fishery. Analysis of distance between hauls in relation to their catch level revealed ... 10 t per haul, and the travel distance decreased as the catch level increased; this pattern was most ... longer distances moved between hauls in Area 48.1 compared to 48.2 and 48.3 reflecting the large number ...
Meeting Document : WG-EMM-09/P05 : Autor(es): S. Kawaguchi and S.G. Candy
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An exploratory fishing expedition for Dissostichus eleginoides around the South Sandwich Islands, Antarctica
Abstract: An exploratory fishing survey was undertaken around the South Sandwich Islands (FAO ... Subarea 48.4), to establish the presence and abundance of the Patagonian Tootfish Dissostichus eleginoides ... with a view to opening a new fishery under the auspices of the Commission for the Conservation of ... Antarctic Marine Living Resources (CCAMLR). The survey was undertaken by the Chilean long-liner B/F Friosur ...
Meeting Document : SC-CAMLR-XII/BG/04 : Autor(es): Delegations of Chile and United Kingdom
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TARGET STRENGTH STUDIES ON ANTARCTIC SILVERFISH (PLEURAGRAMMA ANTARCTICUM) IN THE ROSS SEA
free swimming fish in their natural habitat. A canvassing of the literature suggested that the type of ... study may influence the result. For example, some authors suggested that freezing the fish reduce the ... be several dB higher than in situ (Nakken and Olsen, 1977). On other hand the many factors likely to ... of Middle Trophic Level of the Ross Sea and several studies have been published on its biology and ...
Meeting Document : SG-ASAM-09/10 : Autor(es): M. Azzali, I. Leonori, I. Biagiotti, A. De Felice, M. Angiolillo, M. Bottaro and M. Vacchi (Italy)