Resultados de la búsqueda
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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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): P. Gasyukov and S. Kasatkina (Russia)
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Revised research plan for the 2013/14 exploratory longline fishery of Dissostichus spp. in Division 58.4.1
observer data. The stock size estimates for research blocks were revised following advice in the last WG ... 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-13/38 : Autor(es): Delegation of Japan
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Medium-term research plan for the Ross Sea toothfish fishery
Abstract: The aim of this paper is to review the management of the Ross Sea toothfish fishery and ... to identify key research objectives for the fishery over the next 3–5 years in relation to Article II ... of the Convention. The paper focuses primarily on Antarctic toothfish, as catches of Patagonian ... summarising the management and operation of the fishery up to and including the 2012/13 fishing year. This ...
Meeting Document : WG-FSA-14/60 : Autor(es): Delegations of New Zealand, Norway and the United Kingdom
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Research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Division 58.4.3a
Abstract: The current season (2014/15) is the final one of the first three-season research which ... began in 2013 in data-poor fisheries. In the present report, catch, effort and biological data recorded ... by all effective vessels were analyzed for the improvement of stock assessment in the research blocks ... . Based on the result, the next three-season (2016-18) research plan in Division 58.4.3a is also presented ...
Meeting Document : WG-SAM-15/03 : Autor(es): Delegation of Japan
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Research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Division 58.4.2
Abstract: The current season (2014/15) is the final one of the first three-season research which ... began in 2013 in data-poor fisheries. In the present report, catch, effort and biological data recorded ... by all effective vessels were analyzed for the improvement of stock assessment in the research blocks ... . Based on the result, the next three-season (2016-18) research plan in Division 58.4.2 is also presented ...
Meeting Document : WG-SAM-15/04 : Autor(es): Delegation of Japan
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Cetaceans as indicators of historical and current changes in the East Antarctica ecosystem
Abstract: Changes in the Antarctic ecosystem have been triggered by anthropogenic and natural ... factors. This paper reviews the scientific information of whales that could be indicative of changes in ... the East Antarctica ecosystem in the context of two hypotheses, the ‘krill surplus’ hypothesis in the ... middle of the past century and the recovery of krill-eater large whales since the 1980’s. There was an ...
Meeting Document : WG-EMM-16/64 : Autor(es): Y. Fujise and L.A. Pastene
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Results of study of the oogenesis characteristics of Antarctic toothfish (Dissostichus mawsoni Norman 1937) (Nototheniidae) from Subareas 88.1 and 88.2 (Ross Sea)
Abstract: The results of the histological analysis of the Antarctic toothfish (Dissostichus ... mawsoni) reproductive system, caught in December-March, 2004-2005 by the longliner VOLNA in subareas 88.1 ... and 88.2 in the Ross Sea are presented. The morphological parameters, indices of gonads have been ... described. The histological criteria of the assessment of the ovary maturity stages and cytological ...
Meeting Document : WG-FSA-07/49 : Autor(es): S. V. Piyanova and A.F. Petrov (Russia)