Résultats de la recherche
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Sensitivities in the assessment of the Patagonian toothfish (D. eleginoides) in Subareas 48.3 and 48.4 to truncation of tagging data
Abstract: The assessment of toothfish in CCAMLR subarea 48.3 currently uses the first four years ... of tag recaptures post release as input data, whereas the assessment in subarea 48.4 uses all ... available recapture data (excluding in-year recaptures). A theoretical analysis of the use of data from ... . Sensitivity tests on the 48.3 assessment show that this bias is not entirely explained by the effect of double ...
Meeting Document : WG-SAM-17/35 : Auteur(s): T. Earl
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Proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2018–2022
years, 2018–2022. The first objective of the survey is to monitor toothfish recruitment in the southern ... Ross Sea (core strata). This is a continuation of the yearly time series of research surveys of these ... of the diet of Type C killer whales and Weddell seals. The third objective is to collect and analyse ... a wide range of data and samples from these areas (e.g. benthic invertebrates, stomach and tissue ...
Meeting Document : WG-SAM-17/39 : Auteur(s): S.M. Hanchet, K. Large, S.J. Parker, S. Mormede and A. Dunn
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Updated stock assessment of Patagonian toothfish (Dissostichus eleginoides) in the vicinity of Kerguelen Islands (division 58.5.1)
Abstract: This paper presents the latest developments in model of Kerguelen with an updating of ... input data from the more recent years (up to 2016/17 season) and a reassessment of stocks taking into ... account the previous remarks of the WG-FSA meetings. Author(s): R. Sinegre, G. Duhamel and J.B. Lecomte ... Title: Updated stock assessment of Patagonian toothfish (Dissostichus eleginoides) in the vicinity of ...
Meeting Document : WG-FSA-17/60 : Auteur(s): R. Sinegre, G. Duhamel and J.B. Lecomte
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Proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2018–2022
years, 2018–2022. The first objective of the survey is to monitor toothfish recruitment in the southern ... Ross Sea (core strata). This is a continuation of the yearly time series of research surveys of these ... of the diet of Type C killer whales and Weddell seals. The third objective is to collect and analyse ... a wide range of data and samples from these areas (e.g. benthic invertebrates, stomach and tissue ...
Meeting Document : WG-FSA-18/41 : Auteur(s): S.M. Hanchet, K. Large, S.J. Parker, S. Mormede and A. Dunn
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Extension of the development of a management procedure for the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity
take account of the different selectivities of past longline and pot fisheries. These models are used ... for trials of a candidate Management Procedure (MP) which could provide future TAC recommendations for ... this resource. The MP uses two data sources: the recent trend in longline CPUE and the mean length of ... the catches made. This MP provides encouraging performance over the wide range of scenarios considered ...
Meeting Document : WG-SAM-07/10 : Auteur(s): A. Brandão and D.S. Butterworth (South Africa)
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Species composition of fish from Antarctic toothfish Dissostichus mawsoni stomachs of the Ross Sea
of the longliner “Yantar” under Russian flag in the 2005/06 season. The results of researches ... , Macrourus whitsoni in particular. The list of 25 fish species of 14 families is given. Author(s): A.V ... . Balushkin (Russia) and V.G. Prutko (Ukraine) Title: Species composition of fish from Antarctic toothfish ... Dissostichus mawsoni stomachs of the Ross Sea Approval: Approved ...
Meeting Document : WG-FSA-06/10 : Auteur(s): A.V. Balushkin (Russia) and V.G. Prutko (Ukraine)
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Distribution and size of Antarctic krill (Euphausia superba Dana) in the Polish commercial catches in the Atlantic sector of Antarctica in 1997–1999
Abstract: The distribution, density and length composition of krill in commercial concentrations ... were investigated in the regions of South Shetland, Elephant, South Georgia and South Orkneys in spring ... decreased. Since during the period of February- June day illumination progressively becomes shorter it must ... be assumed that there are other factors besides illumination which have an impact on the degree of ...
Meeting Document : WG-EMM-01/13 : Auteur(s): E. Jackowski (Poland)
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Effects of the Antarctic Circumpolar Current on fishing for squid (Illex Argentinus) in the Atlantic sector of the Southern Ocean
Abstract: The paper introduces several approaches to assessment of hydrological situation in the ... Atlantic sector of the Southern Ocean (the South-West Atlantic). The analysis of the SST maps suggests that ... hydrological factors depend on the intensity of two currents, the Antarctic Circumpolar Current and the ... Illex argentinus. Author(s): G.P. Vanyushin and T.B. Barkanova (Russia) Title: Effects of the ...
Meeting Document : WG-EMM-99/15 : Auteur(s): G.P. Vanyushin and T.B. Barkanova (Russia)
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Proposals for study of spatial-temporal dynamics of krill distribution for management applications
providing sufficient information with the aim of quantitative understanding regularities and trends of krill ... are shown. Practical implementation of these proposals will contribute to attaining CCAMLR goals in ... krill stocks management. Author(s): Delegation of Russia Title: Proposals for study of spatial ... -temporal dynamics of krill distribution for management applications Approval: Approved ...
Meeting Document : SC-CAMLR-XXX/BG/09 : Auteur(s): Delegation of Russia
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CHINSTRAP PENGUINS: MISUNDERSTOOD AND VULNERABLE MONITORS OF ECOSYSTEM CHANGES IN THE SCOTIA SEA REGION OF ANTARCTICA
area directly. A paradigm guiding recent research in the Western Antarctic Peninsula (WAP) region of ... the SS, the “sea-ice hypothesis”, suggests that declines in the seasonal extent and duration of sea ... , 30 years of field studies in the WAP, coupled with more regional surveys throughout the Scotia Sea ... increases and decreases in penguin abundance as a result of changes in abundance of Antarctic krill ...
Meeting Document : WG-EMM-09/17 : Auteur(s): W.Z. Trivelpice, J.T. Hinke, A.K. Miller, C. Reiss, S.G. Trivelpiece and G.M. Watters (USA)