Résultats de la recherche
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A bioenergetics model assessment of the prey consumption of macaroni penguins in Subarea 48.3
Subarea 48.3 during the period when penguins are constrained by breeding. We show that the greatest levels ... towards the end of guard and the end of crèche. Our initial results indicate that levels of krill ... similar such analyses should be undertaken for the other krill-eating penguin species breeding in Area 48 ... . Southwell and C. Waluda Title: A bioenergetics model assessment of the prey consumption of macaroni ...
Meeting Document : WG-EMM-16/37 : Auteur(s): P.N. Trathan, L. Emmerson, C. Southwell and C. Waluda
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Updated assessment of Patagonian toothfish (Dissostichus eleginoides) in the vicinity of Crozet Islands (Subarea 58.6)
Abstract: This paper presents the latest developments in Casal models for Crozet with an updating ... of input data from the more recent years (up to 2015/16 season) and a reassessment of stocks taking ... into account the previous remarks of the WG-FSA meetings. Author(s): R. Sinegre and G. Duhamel Title ... : Updated assessment of Patagonian toothfish (Dissostichus eleginoides) in the vicinity of Crozet Islands ...
Meeting Document : WG-FSA-16/52 : Auteur(s): R. Sinegre and G. Duhamel
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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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A plan for Antarctic krill survey with a scientific broadband echosounder onboard R/V Kaiyo-maru in the CCAMLR Division 58.4.1 during 2018/19 season
Abstract: To investigate the utility of broadband sound for Antarctic krill acoustic surveys, we ... -maru. The echo sampling will be performed during targeted RMT1+8 tows. Spectra of volume backscattering ... strengths will be obtained from the sampled echoes and their characteristics will be investigated. Further ... , orientation and length distributions will be inferred from the measured spectra with theoretical acoustic ...
Meeting Document : SG-ASAM-18/05 : Auteur(s): K. Amakasu, K. Abe, R. Matsukura, T. Mukai and H. Murase
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Notes on methods for measuring and estimating the status of krill
essential if studies involving inter-comparison of datasets are planned. The methods used by workers from ... different institutes are outlined in the hope that standardisation by WG-EMM can be established and thus ... improve the quality of data from research surveys as well as through the CCAMLR International Observer ... Programme. Author(s): I. Everson (United Kingdom) Title: Notes on methods for measuring and estimating the ...
Meeting Document : WG-EMM-01/16 : Auteur(s): I. Everson (United Kingdom)
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Summary of scientific observer data collected in CCAMLR fisheries in the Convention Area during 2017
Abstract: This paper summarises the data collected by Scientific Observers operating in the ... Convention Area on board fishing vessels during the 2017 season (based on data received by the Secretariat up ... CCAMLR fisheries in the Convention Area during 2017 Microsoft Word File: fsa-17-58r2.docx Approval ...
Meeting Document : WG-FSA-17/58 Rev. 2 : Auteur(s): CCAMLR Secretariat
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Preliminary trials to test mitigation measures aimed at reducing Macrourus spp. by-catch on autoliners targeting D. eleginoides with longlines in the CCAMLR Convention Area
Abstract: Pilot studies were carried out in 48.3 in 2006 and in 88.1 and 88.2 in 2007 by the ... Argos Helena, testing 14/0 circle hooks and mackerel bait against hooks and bait routinely used by the ... similar effects on the catch rates of Dissostchus spp. and of all other by-catch species combined. However ... also significant and when bycatch to catch ratios were analysed, the variation due to bait was not ...
Meeting Document : WG-FSA-07/33 : Auteur(s): R.E. Mitchell, D.J. Agnew, T. Carruthers, J. Clark, L. Ross (United Kingdom) and J. van Heerden (South Africa)
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Preliminary assessment of mackerel icefish (Champsocephalus gunnari) for the Heard Island Plateau region (Division 58.5.2) based on a survey in May 2004
in the vicinity of Heard Island in May 2004 to provide the information for an assessment of short ... -term annual yield in the 2004/2005 CCAMLR season. This paper provides a preliminary assessment of yield ... using the assessment methods of CCAMLR for SAFAG 21. Author(s): C.R. Davies, T. Lamb, A.J. Constable ... gunnari) for the Heard Island Plateau region (Division 58.5.2) based on a survey in May 2004 Approval ...
Meeting Document : WG-FSA-04/77 : Auteur(s): C.R. Davies, T. Lamb, A.J. Constable and R. Williams (Australia)
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Decrease in numbers of the eastern rockhopper penguins Eudyptes chrysocome filholi at Marion Island, 1994/95 to 2002/03
adults, and there was a decrease in the mass at arrival at breeding colonies of both males and females ... . Except in 1997/98, the mass of chicks at fledging was less than that recorded at two other localities ... a marked increase in the contribution of fish to the diet in 1999/00 that coincided with an increase ... different sections of Marion Island were not always consistent, indicating the need of wide-scale monitoring ...
Meeting Document : WG-EMM-03/10 : Auteur(s): R.J.M. Crawford, J. Cooper, B.M. Dyer, M.D. Greyling, N.T.W. Klages, D.C. Nel, J.L. Nel, S.L. Petersen and A.C. Wolfaardt (South Africa)
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CPUEs and body length of Antarctic krill during 1992/93 season in the fishing grounds north of Livingston Island
. A main fishing ground was persistently formed north of the Livingston Island. CPUEs show the highest ... values at the height of summer (late February- late March).Krill with modal length of 41-45mm were ... dominant in catches, almost same as the previous season. Author(s): S. Kawaguchi, T. Ichii and M. Naganobu ... (Japan) Title: CPUEs and body length of Antarctic krill during 1992/93 season in the fishing grounds ...
Meeting Document : WG-Krill-94/28 : Auteur(s): S. Kawaguchi, T. Ichii and M. Naganobu (Japan)