Résultats de la recherche
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Draft Research and Monitoring Plan for the South Orkney Islands Southern Shelf (MPA Planning Domain 1, Subarea 48.2)
monitoring activities that will help inform and support the management of the South Orkney Islands Southern ... research consistent with the objectives of the MPA, and monitoring that will help evaluate the extent to ... which these objectives are being achieved. We also encourage the initiation of other research that is ... consistent with the objectives of the MPA. In 2013, a preliminary draft MPA Report was developed for the ...
Meeting Document : WG-EMM-14/24 : Auteur(s): Delegation of the European Union
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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 ... period of 2010-2016 are considered. Taking into account the different number of hooks at longlines sets ... used at the fishery, the catch indices were normalized to 1000 hooks. The effect of the gear types ... (autoline, spanish, trotline) on the observed spatial-temporal variability of CPUE toothfish (kg/1000 ...
Meeting Document : WG-SAM-17/23 : Auteur(s): S. Kasatkina
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Continuation of multi-Member research on the Dissostichus eleginoides exploratory fishery in 2017/18 in Division 58.4.3a by France and Japan
Abstract: In Division 58.4.3a, since 2012, research fishing has been conducted in the research ... block by two vessels using longline: “ Shinsei Maru No. 3 ” (Japan) and the “ Saint André ” (France ... ). The catch limit for Dissostichus spp. is 32 tonnes in 2014/2015 and the total reported catch up was ... 16.3 tonnes. For the season (2015/16), the catch limit was unchanged (32 tonnes) but no catch up was ...
Meeting Document : WG-FSA-17/55 : Auteur(s): Delegations of France and Japan
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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 ... period of 2010-2016 are considered. Taking into account the different number of hooks at longlines sets ... used at the fishery, the catch indices were normalized to 1000 hooks. The effect of the gear types ... (autoline, spanish, trotline) on the observed spatial-temporal variability of CPUE toothfish (kg/1000 hooks ...
Meeting Document : WG-FSA-17/56 : Auteur(s): S. Kasatkina
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Expert Workshop on Pelagic Spatial Planning for the eastern subantarctic region (Domains 4, 5 and 6)
Abstract: The “Expert Workshop on Pelagic Spatial Planning for the eastern subantarctic region ... (Domains 4, 5 and 6)” was held in Cape Town (South Africa) between 26th and 30th August 2019. The workshop ... the Planning Domains using geographic, biological and oceanographic features. Distributions of ... showing latitudinal patterns of communities for the pelagic species. The importance of frontal zones such ...
Meeting Document : SC-CAMLR-38/BG/29 : Auteur(s): A.B. Makhado, A. Lowther, P. Koubbi, I. Ansorge, C. Brooks, C. Cotté, R. Crawford, S. Dlulisa, F. d’Ovidio, S. Fawcet, D. Freeman, S. Grant, J. Huggett, M. Hindell, P.A. Hulley, S. Kirkman, T. Lamont, M. Lombard, M.J. Masothla, M.-A. Lea, W.C. Oosthuizen, F. Orgeret, R. Reisinger, T. Samaai, S. Sergi, K. Swadling, S. Somhlaba, A. Van de Putte, C. Von de Meden and D. Yemane
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Revised growth and length-weight parameters for Antarctic toothfish in the Ross Sea region (881 & 882AB)
Abstract: We update the estimates of the growth and length-weight parameters for Antarctic ... toothfish (Dissostichus mawsoni) in the Ross Sea region (Subareas 88.1 and SSRUs 88.2AB). We present revised ... estimates of the von Bertalanffy growth curves, estimates of mean length at age using maximum likelihood ... estimation (MLE), and the length-weight relationship based on available CCAMLR SISO data collected from ...
Meeting Document : WG-FSA-2019/11 : Auteur(s): A. Dunn and S. Parker
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Investigation of bias in the mark–recapture estimate of toothfish population size at South Georgia
Abstract: This paper investigates the influence of mixing of fish, and the uneven distribution of ... tag placements and recapture effort, on bias in the Petersen estimate. It does so by constructing a ... linear model of the South Georgia toothfish fishery, simulating fish movements within this system and ... overlaying various combinations of tagging and recapture effort to investigate bias. The fishable grounds ...
Meeting Document : WG-FSA-SAM-05/6 Rev. 1 : Auteur(s): D.J. Agnew, G.P. Kirkwood, J. Pearce and J. Clark (United Kingdom)
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Ecosystem modelling for the Antarctic krill fishery
the Antarctic ecosystem. This species serves as prey for many organisms in the ecosystem and has also ... been the target of an small industrial fishery since the mid 1970s. New quotas have recently been set ... but there is concern that the reduction in krill biomass due tome fishery may have impacts on other ... krill predators such as penguins, seals and whales. In order to evaluate the effects of krill fishing on ...
Meeting Document : WG-EMM-01/65 : Auteur(s): T. Antezana, J. Cornejo, E. Bredesen, P. Faundez (Chile), A.W. Trites and T. Pitcher (Canada)
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Summer distribution, abundance and structure of krill populations (Euphausia superba and Euphausia crystallorophias) sampled by plankton net in the western Ross Sea (January–February 2000)
Abstract: Net samples data from the 15th Italian Antarctic Oceanographic Cruise (Jan-Feb 2000 ... ) were analysed to obtain a general picture of the summer distribution pattern, abundance and demography ... of krill in the western Ross Sea (Antarctica). A midwater sampler-trawl (Hamburg Plankton Net) was ... used to collect zooplankton and fish larvae at 63 stations. The net was deployed normally as a standard ...
Meeting Document : WG-EMM-00/38 : Auteur(s): M. Azzali, A. Sala and G. Brancato (Italy)
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Proposal for a CCAMLR sponsored research survey to monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea
Abstract: The exploratory fishery for Dissostichus spp. has now been operating for 14 years in ... Subarea 88.1 and for nine years in Subarea 88.2. Associated research has led to an assessment of the ... fisheries potential yield, but a source of ongoing uncertainty in the stock assessment concerns recruitment ... time from the fishery. At its 2010 meeting, the Scientific Committee agreed that a time series of ...
Meeting Document : WG-SAM-11/16 : Auteur(s): S.M. Hanchet, S. Mormede, S.J. Parker and A. Dunn (New Zealand)