Resultados de la búsqueda
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Target strength of mackerel icefish (Champsocephalus gunnari) from a scattering model
Abstract: An anatomically detailed acoustic scattering model has been used to estimate the ... cm, at 38 kHz. The model used computed tomography (CT) scans of fish to determine the sound speed and ... density throughout the fish and simulated the complex interaction of the incident sound wave with the ... acoustic impedance contrasts throughout the fish. A preliminary length to tilt-averaged TS relationship is ...
Meeting Document : SG-ASAM-09/06 : Autor(es): G. Macaulay (New Zealand)
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Hydrographic conditions around Elephant Island during austral spring 1994
Abstract: Based on a data set sampled during November/December 1994 in the Elephant Island ... Plateau Region by RV POLARSTERN, a water mass analysis is performed which reveals the approximate location ... of the Weddell-Scotia Confluence. Vertical distribution of oceanographic parameters temperature ... outline the genera! flow as given by the geostrophic part of the circulation. Compared to American field ...
Meeting Document : WG-EMM-95/16 : Autor(es): Stein, M.
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REVIEW OF CCAMLR TRANSLATION REQUIREMENTS
Abstract: As directed by the Commission, this paper reviews all CCAMLR’s translation needs for ... the 2001–2008 period. Note is taken of the growing translation demand in terms of the number of pages ... requiring translation annually and the increase in translation complexity. Trends in Secretariat translation ... costs are also provided. The context provided by the review is used to identify four areas for attention ...
Meeting Document : CCAMLR-XXVIII/10 Rev. 1 : Autor(es): Executive Secretary
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Bias in acoustic biomass estimates of Euphausia superba Dana to diel vertical migration
Abstract: The diel vertical migration of Antarctic krill (Euphausia superba) can greatly bias the ... sonar and independent of the time of day. To demonstrate and quantify these negative biases on both the ... study was collected in the vicinity of Elephant Island, Antarctica during the Austral Summer of 1992 ... . The data includes five surveys conducted from mid-January to mid March. The first and fourth surveys ...
Meeting Document : WG-KRILL-93/48 : Autor(es): D.A. Demer and R.P. Hewitt (USA)
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Sistema de Documentación de la Captura (SDC)
CCAMLR implements a range of measures to support the conservation and management of Antarctic ... marine living resources. These measures seek to minimise the impact harvesting activities may have on the ... sustainability of target species, on species taken incidentally as by-catch and on the marine ecosystems. CCAMLR ... and compliance tools, including the Catch Documentation Scheme (CDS) for Dissostichus spp. (toothfish ...
Page : Site Section: Compliance
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Age validation of juvenile Notothenia rossii at Potter Cove, South Shetland Islands, using mark-recapture data
–38.1 cm) tagged and released in successive years from 2004 to 2010, 7 were recaptured at the same site ... marked specimens gives the most reliable information. We carried out a tagrecapture experiment on ... Notothenia rossii at Potter Cove, to validate, for first time for this species using this method, the ... annulus was laid down, exhibiting an additional winter zone of closely spaced sclerites. Consistently, the ...
Meeting Document : WG-FSA-13/P01 : Autor(es): E. Moreira, E. Barrera-Oro and M. La Mesa
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Notification for scientific research in 2017/18: proposal to participate in research plan for Antarctic toothfish in Subarea 88.3
Abstract: New Zealand proposes to contribute to a multi-member research plan to sample the ... toothfish population in Subarea 88.3. Although this has been written as a stand-alone proposal, the ... conduct research in this subarea. There is considerable uncertainty about the abundance of Antarctic ... toothfish in Subarea 88.3 and the Scientific Committee has requested members complete research in this area ...
Meeting Document : WG-SAM-17/38 : Autor(es): Delegation of New Zealand
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CEMP Fund cameras and satellite transmitter projects in areas of Ukraine responsibility: state and preliminary results
Abstract: Ukraine is responsible for support and providing the CEMP Fund cameras and satellite ... transmitter projects in gentoo and Adelie penguin colonies at the Galindez, Petermann, and Yalour Islands. The ... activity in the Ukrainian Vernadsky Antarctic Station area on service of CEMP cameras and installation ... ARGOS satellite tags in penguin colonies as part of the CEMP projects run by USA, Argentina, Poland and ...
Meeting Document : SC-CAMLR-XXXVI/BG/34 : Autor(es): D. Lutsenko, G. Milinevsky, O. Savitsky, A. Simon, I. Dykyy, M. Telipska, V. Lytvynov and L. Pshenichnov
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Multinational large-scale krill synoptic survey in CCAMLR Area 48 in 2019 – survey plan and protocol for consideration by SG-ASAM 2018
Abstract: The objective for the Multinational Large-Scale Krill Synoptic Survey in CCAMLR area 48 ... in 2019 is to provide an updated estimate of the biomass of Antarctic krill (Euphausia superba) used ... in models to estimate sustainable yield. The planned survey follows, as close as possible, the design ... of the CCAMLR 2000 survey, that was undertaken in the year 2000. The basis for comparisons will ...
Meeting Document : SG-ASAM-18/07 : Autor(es): B.A. Krafft, O.A. Bergstad, T. Knutsen, G. Skaret and G. Macauley
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MODELING PREDATION BY TRANSIENT LEOPARD SEALS FOR AN ECOSYSTEM-BASED MANAGEMENT OF SOUTHERN OCEAN FISHERIES
Abstract: Correctly quantifying the impacts of rare apex marine predators is essential to ... species and their dependent predators. This requires modelling the uncertainty in such processes as ... prey vulnerability. We combined these uncertainties to evaluate the predatory impact of transient ... assess the implications for an ecosystem-based management. The mesopredators are highly dependent on ...
Meeting Document : WG-EMM-09/P08 : Autor(es): J. Forcada, D. Malone, J.A. Royle and I.J. Staniland