Résultats de la recherche
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Distribution and some biological features of icefish (Champsocephalus gunnari) at different life cycle stages in the South Georgia subarea
Abstract: The results of icefish ecology were summarized for the period of above 20 years of ... variability. The functional structure of Ch.gunnari distribution area was described on the basis of juvenile ... fish distribution at different stages of physiological state. Juvenile fish mainly distribute in the ... south, immature fish- in the cast and southwest, while adult at the north of the shelf. It was revealed ...
Meeting Document : WG-FSA-99/65 : Auteur(s): Zh.A. Frolkina (Russia)
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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
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Revised assessment models for Patagonian toothfish in research block 58.4.4b_1 (SSRU 58.4.4bC) for the years 1990–2014
status assessments of Dissostichus eleginoides in the research block 58.4.4b_1 in the last WG-SAM meeting ... . IUU catch was estimated within the models using disease mortality functionality. Among them, the ... plausible model was considered as OB_1b model, which removed tag and CPUE observations in 2008, because the ... fits to CPUE in 2008 and MPD profiles for tags in the same year was spurious in OB_1a model which ...
Meeting Document : WG-FSA-15/23 : Auteur(s): K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan)
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CPUEs and body length of Antarctic krill density during the 1997/98 season in Area 48
Abstract: This paper summarizes the Japanese krill catch data during austral summer through ... winter of 1997/98 season in the Area 48. The fishing grounds were formed around the South Shetland ... Islands, west of the Antarctic Peninsula, and around the South Orkneys Islands from mid-December to mid ... -May. From late May till late June, the operation took place in the north of the South Shetland Islands ...
Meeting Document : WG-EMM-99/48 : Auteur(s): S. Kawaguchi (Japan)
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A REVIEW OF THE METHODS USED TO RELEASE SKATES (RAJIIDS), WITH OR WITHOUT TAGS, IN ANTARCTIC EXPLORATORY FISHERIES
fishing vessels in the Ross Sea (CCAMLR Subareas 88.1 and 88.2) in 1999/2000. Based on preliminary results ... from this programme showing an unquantifiable degree of the survivorship of returned skates, the CCAMLR ... Scientific Committee gave approval in 2004 for licensed vessels to cut live skates from the line (while in ... the water) as an alternative to either retaining all aboard or discarding dead skates, as a skate ...
Meeting Document : WG-FSA-08/30 : Auteur(s): J.M. Fenaughty (New Zealand)
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Plan of research program of the Ukraine in Subarea 48.2 in 2016 (second season)
Abstract: During March-April 2015 Ukraine began the research within statistical subarea 48.2. The ... research activities on the assessment of the stock state of the Dissostichus spp species in subarea 48.2 ... will be carried out within three years. Implementation of the tagging program in the long-term ... prospective will provide the indicators for the procedure of abundance assessment of the studied species in ...
Meeting Document : WG-FSA-15/45 : Auteur(s): Delegation of Ukraine
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Defining fishing grounds in the Scotia Sea
commercial catch data for the region held in the CCAMLR database. It also summarises available information on ... krill distribution and abundance and movement for the region, which can be used to help understand the ... relationship between the fishing grounds and the krill population. We define a fishing ground as being a ... predictable location where the fishery obtains relatively reliable catches from one year to the next over a ...
Meeting Document : WG-EMM-02/40 Rev. 1 : Auteur(s): I.R. Ball and A.J. Constable (Australia), S. Kawaguchi (Japan) and D. Ramm (CCAMLR Secretariat)
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Estimation of the fishery–krill–predator overlap
Abstract: Work undertaken during the intersessional period has enabled better use of the krill ... fishery data, and a comparison between the three existing indices of fishery-krill-predator overlap used ... by CCAMLR (catch in the Critical Period and Distance [CPD], Agnew-Phegan index, and Realised ... Potential Overlap [RPO]) and the Schroeder index. The Agnew-Phegan and Schroeder indices were also compared ...
Meeting Document : WG-EMM-99/11 : Auteur(s): Secretariat
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Analysis of spatial and temporal structure in long-term krill fishery in the Area 48 and its relation to climate variability
Abstract: The authors analyzed the influence of climate changes on space-time dynamic of ... Antarctic krill fishery in the Area 48 using the CCAMLR fishery data and time series of ААО induces ... (Antarctic Oscillation Index) as the indication of climate variability. Here we used the methods of the ... integrated ecosystem assessment used by ICES and the modern de-nosing data methods. The influence of climate ...
Meeting Document : WG-EMM-12/50 : Auteur(s): P. Gasyukov and S. Kasatkina (Russia)