Résultats de la recherche
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Progress towards a trophic model of the ecosystem of the Ross Sea, Antarctica, for investigating effects of the Antarctic toothfish fishery
Abstract: We report on the further development of a carbon-budget trophic-model of the Ross Sea ... with which to investigate effects of the fishery for Antarctic toothfish (Dissostichus mawsoni). The ... Ross Sea is a low primary production system, with production being localised in space and time. In the ... relative absence of krill, Antarctic silverfish (Pleuragramma antarctica) are probably the major middle ...
Meeting Document : WG-EMM-06/14 : Auteur(s): M. Pinkerton, S. Hanchet and J. Bradford-Grieve (New Zealand)
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Report on attendance at the Fourth Meeting of the Committee for Environmental Protection Under the Madrid Protocol
Abstract: This report outlines the participation of the SC-CAMLR Chair in the Fourth Meeting of ... the Committee for Environmental Protection (CEP-IV) under the Madrid Protocol. The most important ... issues of relevance to SC-CAMLR are: (1) A report of an open-ended intersessional contact group of the ... , the designation of Antarctic Specially Protected Species. The contact group will continue under a ...
Meeting Document : CCAMLR-XX/BG/03 : Auteur(s): Chair of the CCAMLR Scientific Committee
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Seasonal relationships in biological parameters and in spatial distribution in the euphausiid populations sampled during the XIIIth and XVth expedition to the Ross Sea
Abstract: This report summarises the results of krill studies from a large-scale surveys of the ... samples data on Euphasiids were analysed at the aim of: 1) obtain a general picture of interannual and ... crystallorophias in the western Ross Sea (Antarctica) in relation to ice cover. 2) Explore the population structure ... of E. superba and its possible spatial and temporal variations across the investigated area. The ...
Meeting Document : WG-EMM-01/62 : Auteur(s): M. Azzali, J. Kalinowski, G. Lanciani, I. Leonori and A. Sala (Italy)
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Changes in the diet of the South Georgia shag Phalacrocorax georgianus at the South Orkney Islands along four consecutive years
Abstract: The diet of the South Georgia Shag Phalacrocorax georgianus at Laurie Island, South ... Orkney Islands, was studied by the analysis of 337 pellets (regurgitated casts) collected during the 1995 ... , 1996, 1997 and 1998 breeding seasons. Demersal-benthic fish were by far the main prey, followed by ... Lepidonotothen nudifrons (1996 and 1997) were the most frequent preys followed by Gobionotothen gibberifrons or ...
Meeting Document : WG-EMM-00/8 : Auteur(s): R. Casaux and A. Ramón (Argentina)
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Preliminary results on the diet of the snow petrel Pagodroma nivea at Laurie Island, Antarctica, during the 1997/98 breeding season
Abstract: The diet of the Snow Petrel Pagodroma nivea was investigated at Laurie Island, South ... Orkney Islands, (60¡46'S, 44¡42'W), Antarctica, over the period January-February of 1998 ... . Stomach contents and regurgitates of adults were sampled during the chick-rearing period. Fish, followed ... by the Antarctic Krill Euphausia superba, were the main prey throughout the sampling period. Other ...
Meeting Document : WG-EMM-00/11 : Auteur(s): G. Soave, V. Ferretti, N. Coria and R. Casaux (Argentina)
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Size variations associated with abundance changes in juvenile Notothenia rossii observed at Potter Cove, South Shetland Islands, since the end of the fishery in the area
Abstract: Samp1es of fjord fish of the species N. rossii and N. neglecta collected at Potter Cove ... , King George/25 de Mayo Island, South Shetland Islands, from 1983 to 1991, allowed to study the ... previously reported abundance changes as a size-related process. The data were analyzed using a Nested ANOVA ... design to obtain variance components and expected values. An increase and then a decrease in the expected ...
Meeting Document : WG-FSA-91/13 : Auteur(s): E. Marschoff and E. Barrera-Oro (Argentina)
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Report to CCAMLR-XXIX on the implementation of the Agreement on the Conservation of Albatrosses and Petrels
Abstract: ABSTRACT This paper reports on progress made by the Agreement on the Conservation of ... Albatrosses and Petrels (ACAP) on issues of particular relevance to the Commission. Since the last meeting of ... the CCAMLR Commission, ACAP held the fifth meeting of its Advisory Committee (AC5) and the third ... revealed that the most effective measures to reduce incidental take of seabirds in pelagic longline ...
Meeting Document : CCAMLR-XXIX/BG/18 : Auteur(s): ACAP Secretariat
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Analysis of the by-catch of Channichthys rhinoceratus and Lepidonotothen squamifrons from the fisheries at Heard Island and the McDonald Islands (Division 58.5.2)
Abstract: The unicorn icefish, Channichthys rhinoceratus and the grey rock cod, Lepidonotothen ... squamifrons are among the most common species bycaught in the toothfish and mackerel icefish trawl fisheries ... at Heard Island and McDonald Islands (HIMI) (Division 58.5.2). These species are rarely taken in the ... longline fishery, but form the most abundant bycatch of the trawl fisheries after skates (Bathyraja spp ...
Meeting Document : WG-FSA-12/24 : Auteur(s): G.B. Nowara, D.C. Welsford, S.G. Candy and T.D. Lamb (Australia)
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Progress report on the scientific data compilation and analyses in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica)
, Bremerhaven) and SC-CAMLR-XXXII/BG/07 (SC-CAMLR-XXXII, Oct 2013, Hobart). The authors intend to update the ... Working Group on Ecosystem Monitoring and Management on the actual state of our project, particularly on ... the proceeds of the data acquisition process and the preliminary scientific analysis. In addition, we ... present the report of the International Expert Workshop on the Weddell Sea MPA project (7-9 April 2014 ...
Meeting Document : WG-EMM-14/19 : Auteur(s): K. Teschke, K. Jerosch, H. Pehlke and T. Brey (Germany)
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Results of the third CCAMLR sponsored research survey to monitor abundance of subadult Antarctic toothfish in the southern Ross Sea, February 2014 and development of the time series
Abstract: At its 2011 meeting, the Scientific Committee agreed that a time series of relative ... abundance from a well-designed survey could be a useful input into the Ross Sea stock assessment model. The ... first survey was completed in February 2012, and the second survey in February 2013. In this paper we ... provide results of the third survey in the time series. The objectives of this third survey were: (1) To ...
Meeting Document : WG-FSA-14/51 : Auteur(s): S. Mormede, S.J. Parker, S.M. Hanchet, A. Dunn (New Zealand) and S. Gregory (United Kingdom)