Resultados de la búsqueda
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Dietary composition of juvenile Dissostichus eleginoides (Pisces, Nototheniidae) around Shag Rocks and South Georgia, Antarctica.
Abstract: A diet analysis of the Patagonian toothfish Dissostichus eleginoides, trawled in the ... coefficient ‘‘Q’’ (%) methods. The samples consisted chiefly of immature specimens, with predominant length ... ranges of 30–70 cm (TL). Fish was by far the main food on the shelves of Shag Rocks and South Georgia ... by the frequency of occurrence method. Cephalopods and mysids were infrequent in the stomachs, and ...
Meeting Document : WG-FSA-05/P6 : Autor(es): Casaux, R., Barrera-Oro, E.R., Marschoff, E.R.
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Proposal for an acoustic krill biomass survey in CCAMLR Division 58.4.2
krill in CCAMLR Division 58.4.2 (the South West Indian Ocean Sector) in January-March 2006. The survey ... limit can be established by CCAMLR. The planned survey will utilise a standardised design as adopted in ... previous B0 surveys in the CCAMLR Area and will use a similar methodology for collecting an analysing the ... data to that used on the CCAMLR2000 survey. The survey will be conducted from a single ship and will ...
Meeting Document : WG-EMM-04/37 : Autor(es): S. Nicol, S. Kawaguchi, T. Jarvis and T. Pauly (Australia)
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Alternative method of parameters accuracy calculation in CMIX procedure applied to toothfish recruitment estimation
Abstract: The paper presents the application of the bootstrap method to estimate accuracy of ... mixture distributions parameters. The method allows to estimate statistical characteristics not only ... . The method has been applied to data from UK survey in 2002 that WG-FSA-03 used for toothfish ... recruitment calculations in S. Georgia area. The accuracy of mean length of component is high (CV~0.04), but ...
Meeting Document : WG-FSA-04/69 : Autor(es): P.S. Gasyukov (Russia)
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Short note: time series of Drake Passage Oscillation Index (DPOI) from 1952 to 2003, Antarctica
Abstract: An assessment of the environmental processes influencing variability in the recruitment ... affects the Antarctic marine ecosystem as a whole. Naganobu et al. (1999) had assessed variability in ... krill recruitment and density in the Antarctic Peninsula area with an environmental factor; strength of ... westerly winds (westerlies) determined from sea-level pressure differences across the Drake Passage ...
Meeting Document : WG-EMM-03/46 : Autor(es): M. Naganobu and K. Kutsuwada (Japan)
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IMPROVING ESTIMATES OF ADÉLIE PENGUIN BREEDING POPULATION SIZE: DEVELOPING FACTORS TO ADJUST ONE-OFF POPULATION COUNTS FOR AVAILABILITY BIAS
Abstract: It is widely recognised that the interpretation of counts of penguin populations at ... their breeding sites during the breeding period are strongly dependent on the timing within a breeding ... season at which they are undertaken. While the need to adjust raw penguin count data obtained at varying ... times within a breeding season to minimise bias in estimates of the breeding population has long been ...
Meeting Document : WG-EMM-09/38 : Autor(es): C. Southwell, J. McKinlay, L. Emmerson, R. Trebilco and K. Newbery (Australia)
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DEVELOPING MODELS OF ANTARCTIC MARINE ECOSYSTEMS IN SUPPORT OF CCAMLR AND IWC
is currently in draft form open to comment and is being developed to provide an introduction to the ... to the use of ecosystem models in CCAMLR and the IWC and a history of the developmental work in those ... organisations. It also provides an outline of the nature of modelling for these purposes and the general issues ... addressing uncertainties in this process. Lastly, it summarises the modelling platforms being developed in ...
Meeting Document : WG-EMM-08/14 : Autor(es): A. Constable (Australia)
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Accumulation of stranded plastic objects and other artefacts at Inaccessible Island, central South Atlantic Ocean
m boulder beach at the western point of Inaccessible Island, central South Atlantic Ocean. This ... repeated the survey made at the same site during 1984, when the highest density of artefacts at the Tristan ... Inaccessible Island. The minimum rate of artefact accumulation was 88 objects km-1 year-1. Total numbers of ... artefacts had increased by47 per cent, with the greatest increase among plastic objects (65 %). Artefacts ...
Meeting Document : CCAMLR-VII/BG/04 : Autor(es): P.G. Ryan and B.P. Watkins (South Africa)
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Composition of Leucocytes in Peripheral Blood of Antarctic Toothfish Dissostichus mawsoni (Nototheniidae)
Abstract: The aim of the work is to study the leukocyte composition in blood of deep-water fish ... species by the example of Antarctic toothfish Dissostichus mawsoni. Fish were caught in January–February ... 2012 in the Ross Sea (Statistical Subarea 88.1) at depths from 690 to 1183 m from onboard “Yantar-31 ... ” longline fishing vessel. Blood samples were collected from the caudal artery of immature fish (10 specimens ...
Meeting Document : WG-EMM-14/P07 : Autor(es): I.I. Gordeev, D.V. Mikryakov, L.V. Balabanova and V.R. Miktyakov
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Composition of leucocytes in peripheral blood of Antarctic toothfish Dissostichus mawsoni (Nototheniidae)
Abstract: The aim of the work is to study the leukocyte composition in blood of deep-water fish ... species by the example of Antarctic toothfish Dissostichus mawsoni. Fish were caught in January–February ... 2012 in the Ross Sea (Statistical Subarea 88.1) at depths from 690 to 1183 m from onboard “Yantar-31 ... ” longline fishing vessel. Blood samples were collected from the caudal artery of immature fish (10 specimens ...
Meeting Document : WG-FSA-14/P01 : Autor(es): I.I. Gordeev, D.V. Mikryakov, L.V. Balabanova and V.R. Miktyakov
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Temas relativos a la política de inspecciones de la CCRVMA surgidos de las inspecciones realizadas por el HMS Protector durante 2015–2016 en el marco del Sistema de Inspección de la CCRVMA
Abstract: HMS Protector, the UK Royal Navy’s ice patrol vessel, undertook a circumnavigation of ... Antarctica during the 2015-16 season. Whilst in the Ross Sea region, CCAMLR inspectors from Australia and New ... inspected in the Ross Sea during December 2015 – February 2016. During April – May 2016, in the Antarctic ... CCAMLR licensed krill fishing vessels. This paper provides some further information about the inspections ...
Meeting Document : CCAMLR-XXXV/02 : Autor(es): Delegations of the United Kingdom, Australia and New Zealand