Resultados de la búsqueda
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Developing the Secretariat’s data management systems
Abstract: The CCAMLR Secretariat’s data management systems provide the secure infrastructure and ... repository for CCAMLR data which are submitted by CCAMLR Members to support the policy, scientific and ... administrative work of the Commission and Scientific Committee. These systems are being redeveloped as part of a ... long-term program of work which started in 2013. The work has focused on the development of structural ...
Meeting Document : SC-CAMLR-XXXV/BG/25 Rev. 1 : Autor(es): CCAMLR Secretariat
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Extending the time series of catch-weighted length frequencies
Abstract: The standard procedure used to extract catch-weighted length frequencies can only make ... use of CCAMLR data for D. eleginoides in Subarea 48.3 collected in the seasons 1992/93 and from 1994 ... /95 onwards. The procedure cannot use the earlier data collected between 1984/85 and 1991/93, and data ... from 1993/94 because of a mismatch in Flag State which presently occurs between the length and catch ...
Meeting Document : WG-FSA-SAM-06/04 : Autor(es): David Ramm & Lydia Millar
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An updated descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in Subareas 88.1 and 88.2 up to 2005/06
Abstract: A descriptive analysis of the toothfish tagging programme carried out in Subareas 88.1 ... and 88.2 since 2001 is presented. The paper updates and revises tag-release and tag-recapture data ... which were presented in July 2006 at WG-FSA-SAM. In addition, the paper presents release and recapture ... data for non-New Zealand vessels for the 2005-06 season for the first time. However, tag data were ...
Meeting Document : WG-FSA-06/34 : Autor(es): A. Dunn and S.M. Hanchet (New Zealand)
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Results of an acoustic investigation of Antarctic krill, Euphausia superba, biomass-density in the Elephant Island area in January/February 2001
Abstract: Results from an acoustic krill survey in the Elephant Island Area carried out Jan 27th ... installed on the R/V “Polarstern”. The collected acoustic data were post-stratified in three strata based on ... demographic results obtained by net sampling. Data files from the 38 kHz and 120 kHz recordings were prepared ... and processed according to protocols used for the CCAMLR 2000 Synoptic Survey. An average biomass ...
Meeting Document : WG-EMM-02/30 : Autor(es): M.A. Thomasson (Sweden), J.H. Emery (USA), J. Rademan (South Africa), R.P. Hewitt (USA) and B.I. Bergström (Sweden)
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Assessment of yield and status of Macrourus carinatus on BANZARE Bank in the southern Indian Ocean: implications for managing by-catch in CCAMLR fisheries
Abstract: This paper assesses the status and abundance of M. carinatus on BANZARE Bank ... (Statistical Division 58.4.3/1). The long-term precautionary yield was estimated using the Generalised Yield ... Model (GYM) used previously by the CCAMLR Working Group on Fish Stock Assessment. Estimates of ... directly available for M. carinatus, estimates were obtained from the literature for similar species ...
Meeting Document : WG-FSA-99/69 : Autor(es): E.M. van Wijk, A.J. Constable, R. Williams and T. Lamb (Australia)
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Pursuit and polynyas in the Ross Sea, Antarctica
influence biological activity. We pursued daily transition of polynyas in the Ross Sea, Antarctica from 1978 ... through 1994 using images of sea ice concentrations by the satellite microwave observations. A typical ... polynya existed in the inner area of the Ross Sea in November of the each year. The shape of the polynya ... changed remarkably in several days. The polynyas have the range of approximately 500 km from the bottom to ...
Meeting Document : WG-EMM-98/31 : Autor(es): M. Naganobu, T. Tanaka, Y. Okada, N. Kimura and S. Matsumura (Japan)
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A circumpolar pelagic regionalisation of the Southern Ocean
Abstract: This short note describes a circumpolar, pelagic regionalisation of the Southern Ocean ... south of 40°S, based on sea surface temperature, depth, and sea ice information. The results show a ... series of latitudinal bands in open ocean areas, consistent with the oceanic fronts. Around islands and ... continents, the spatial scale of the patterns is finer, and is driven by variations in depth and sea ice. The ...
Meeting Document : WS-MPA-11/06 : Autor(es): B. Raymond (Australia)
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A RE-APPRAISAL OF THE TOTAL BIOMASS AND ANNUAL PRODUCTION OF ANTARCTIC KRILL
standardised net sampling methodology but they integrate over the period 1926-2004, during which krill ... abundance has fluctuated. To estimate krill biomass at the end of last century we combined the KRILLBASE map ... of relative krill density around Antarctica with the most recent, acoustics-derived, value for the ... CCAMLR Synoptic Survey of the Scotia Sea area (37.3 Mt). Thus the CCAMLR 2000 survey area contains 28% of ...
Meeting Document : WG-EMM-08/17 : Autor(es): A. Atkinson (United Kingdom), V. Siegel (Germany), E.A. Pakhomov (South Africa), M.J. Jessopp (United Kingdom) and V. Loeb (USA)
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Proposal for an extension to the mark recapture experiment to estimate toothfish population size in Subarea 48.4
and 25 tagged fish have been recaptured, including 23 during the latest season. 2. A preliminary ... assessment of D. eleginoides stock size in the Northern Area of 48.4 estimates a vulnerable biomass of ... between 1,000 to 2,000 tonnes. 3. The UK proposes to continue the mark-recapture experiment in Subarea ... 48.4 in the 2008/09 fishing season so as to allow for a full assessment of D. eleginoides stock size in ...
Meeting Document : WG-FSA-08/46 : Autor(es): J. Roberts and D. J. Agnew (UK)
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SLOPE CURRENTS AROUND THE KERGUELEN ISLANDS FROM DEMERSAL LONGLINE FISHING RECORDS.
Abstract: rrent (ACC), especially around the Kerguelen Islands. However, there is little ... quantitative knowledge of the current field around the islands due to lack of long-term current measurements ... (Dissostichus eleginoides) fisheries in Kerguelen waters. This enabled the construction of a realistic field of ... depth-averaged time-mean slope currents along the 1000 m isobath all around the Kerguelen Islands ...
Meeting Document : WG-FSA-08/P06 : Autor(es): Y.-H. Park, N. Gasco and G. Duhamel (France)