Resultados de la búsqueda
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White-chinned petrel incidental mortality event in the Subarea 48.3 Patagonian toothfish fishery during the season extension period in the 2013/14 season
for over 10 years. The circumstances associated with the event were investigated and a review of ... seabird mortality in the fishery undertaken. The mortality event occurred on a “Spanish” system longline ... 2014/15. Options for possible future season extensions are discussed. Author(s): M.A Collins, M ...
Meeting Document : WG-FSA-14/28 : Autor(es): M.A Collins, M. Soffker, C. Darby, K. Ross and P.N. Trathan (United Kingdom)
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Analysis of the toothfish fishery indices in Subareas 88.1 and 88.2 when using different types of longline gears
Abstract: The indices of exploratory toothfish fishery in the Subareas 881 and 88.2 for the ... (autoline, spanish, trotline) on the observed spatial-temporal variability of CPUE toothfish (kg/1000 ... attention was focused to the analysis of the length-species compositions of catch by years and SSRU while ... Approval: Approved Secretariat Workflow Status: Content Approved Delegation responsibility for releasing ...
Meeting Document : WG-SAM-17/23 : Autor(es): S. Kasatkina
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Analysis of the toothfish fishery indices in Subareas 88.1 and 88.2 when using different types of longline gears
Abstract: The indices of exploratory toothfish fishery in the Subareas 881 and 88.2 for the ... (autoline, spanish, trotline) on the observed spatial-temporal variability of CPUE toothfish (kg/1000 hooks ... was focused to the analysis of the length-species compositions of catch by years and SSRU while using ... : Approved Secretariat Workflow Status: Content Approved Delegation responsibility for releasing documents ...
Meeting Document : WG-FSA-17/56 : Autor(es): S. Kasatkina
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Assessments of by-catch in trawl fisheries at Heard and MacDonald Islands
Abstract: This paper provides an assessment of the long-term annual yield for three species ... three species were estimated using the generalised yield model developed for WG-FSA, based on survey ... undertaken with the aim of examining the potential for the commercial trawl fisheries to significantly affect ... the spawning biomass of these stocks in the longer term. The long-term annual yield for each of the ...
Meeting Document : WG-FSA-97/30 : Autor(es): de la Mare, W.K., Williams, R., Constable, A.
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Inter-annual variation in condition index of the mackerel icefish Champsocephalus gunnari
Abstract: Mackerel icefish (Champsocephalus gunnari) are widespread on the South Georgia (54 degS ... , 36 deg W) shelf. Analysis of results on condition index indicated a strong inter-annual variation ... the region. Years when krill were scarce and condition index was consequently low, were consistent ... with years when indices from land-based krill predators also indicated krill were scarce. Author(s ...
Meeting Document : WG-EMM-96/43 : Autor(es): Parkes, G., Everson, I., Kock, K.-H.
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Antarctic krill; assessment of mesh size selectivity and escape mortality from trawls
Abstract: This working paper presents the aims and methodology for a three-year-project ... project is widely based on acquired experiences from a completed study Net Escapement of Antarctic krill ... . Funding is provided by the Norwegian Research Council and ship-time for executing the field-experiments is ... offered free-of-charge by two Norwegian commercial fishing companies; Olympic Seafood AS and Aker ...
Meeting Document : WG-EMM-15/14 : Autor(es): B.A. Krafft (Norway), L.A. Krag (Denmark), B. Herrmann, A. Engås, I. Bruheim and S. Nordrum (Norway)
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Seabird research at Cape Shirreff, Livingston Island, Antarctica, 2005/06
penguin breeding population has been declining for the Past eight years and is at its lowest size in the ... weights for this season was the highest recorded in all the years of study. Chinstrap penguins fledge ... previous season and is the third lowest population size in the 10 years of census data. The chinstrap ... 10 years of study. Gentoo penguin fledging Success was the highest recorded in all the years of study ...
Meeting Document : WG-EMM-06/P1 : Autor(es): E.S.W. Leung, R.A. Orben and W.Z. Trivelpiece (USA)
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Krill population dynamics in the Scotia Sea: variability in growth and mortality within a single population
regional differences in growth and mortality on population size 12 structure was examined using data on the ... for the demographic plasticity, it 18 is apparent that strong recruitment of the smallest size class ... determined 20 by regional differences in growth and mortality. The majority of the commercial harvest of ... Sea and is managed using population models based on a single set 22 of demographic parameters. Where ...
Meeting Document : WG-EMM-02/16 : Autor(es): K. Reid, E.J. Murphy (United Kingdom), V. Loeb and R.P. Hewitt (USA)
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Early announcement of the Third International Krill Symposium
Abstract: This paper provides an early announcement of the Third International Symposium on ...
Meeting Document : SC-CAMLR-XXXIV/BG/30 : Autor(es): CCAMLR Secretariat
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Some aspects of size composition dynamics of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea (Statistical Subarea 88.1)
mawsoni) from catches in different statistical areas of the Ross Sea was given. Biological data for two ... Abstract: The analysis of the data on size composition of Antarctic toothfish (Dissostichus ... fishery periods were selected for comparison: 2003-2005 and 2008-2012. It allowed estimating changes in ...
Meeting Document : WG-FSA-12/17 : Autor(es): A.K. Zaytsev (Ukraine)