Resultados de la búsqueda
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Estimation of tag-loss rates for tagged fish in the Patagonian toothfish (Dissostichus eleginoides) fisheries at Heard Island and McDonald Islands in Division 58.5.2
Abstract: Tag-loss or tag-shedding rates for tagged fish in the Patagonian toothfish ... estimated following the method proposed by Adam & Kirkwood (2001). Tag-loss rates were generally low ... fish. With an initial tag-loss proportion of 2.8% and ongoing tag-loss rate of 0.056 in the longline ... . The parameter of annual tag-loss rate in CASAL’s single-tag model was approximated, for a maximum time ...
Meeting Document : WG-FSA-17/21 : Autor(es): P. Ziegler
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Size-age composition and growth of Antarctic toothfish Dissostichus mawsoni in the Weddell Sea
Abstract: In the fishing season 2012/2013 Russian vessel “Yantar-35” worked in the Weddell Sea ... for the first time since fishery of Dissostichus mawsoni began. It has allowed extending a sampling ... area on biology of this species. In particular, size-age and growth samples of the Antarctic toothfish ... : Size-age composition and growth of Antarctic toothfish Dissostichus mawsoni in the Weddell Sea Approval ...
Meeting Document : WG-FSA-13/16 : Autor(es): E.N. Kyznetsova, A.F. Petrov and I.I. Gordeev (Russia)
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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 : Autor(es): 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 : Autor(es): R. Sinegre, G. Duhamel and J.B. Lecomte
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REVISED AGE AND GROWTH ESTIMATES FOR ANTARCTIC STARRY SKATE, AMBLYRAJA GEORGIANA, FROM THE ROSS SEA
Abstract: A previous study on the age and growth of Amblyraja georgiana in the Ross Sea suggested ... that is radically different from the published interpretation. By counting fine growth bands in the ... –37 years compared with 14 years). Several pieces of circumstantial evidence support the new ... STARRY SKATE, AMBLYRAJA GEORGIANA, FROM THE ROSS SEA Approval: Approved ...
Meeting Document : WG-FSA-08/21 : Autor(es): M.P. Francis (New Zealand) and M.J. Gallagher (Ireland)
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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 : Autor(es): P.N. Trathan, L. Emmerson, C. Southwell and C. Waluda
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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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): R.E. Mitchell, D.J. Agnew, T. Carruthers, J. Clark, L. Ross (United Kingdom) and J. van Heerden (South Africa)