Résultats de la recherche
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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 : Auteur(s): 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 : Auteur(s): 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 : Auteur(s): Y.-H. Park, N. Gasco and G. Duhamel (France)
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Report on fishery and scientific activity of Ukraine in the Antarctic in 1993/94
Abstract: In the season of 1993-1994 Ukrainian fishing fleet conducted fisheries in two areas of ... Antarctic waters of the World Ocean: in the Atlantic (subareas 48.2 and 48.3) and the Indian (zone of the ... 1993. It was conducted by two vessels: BAT GRIGORY KOVTUN and RKTS GENERAL PETROV. The first one worked ... in subarea 48.2 from 01.03.1994 to 10.04.1994 and from the middle of the second ten-day period of May ...
Meeting Document : SC-CAMLR-XIII/BG/12 : Auteur(s): Observer (Ukraine)
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The UK fish stock assessment survey bottom trawl for South Georgia
Abstract: Criteria for the choice of a trawl for demersal fish surveys are discussed. Details of ... the construction and performance of the 120 Bolt Rope Bottom Trawl used during the recent fish stock ... assessment survey around South Georgia on the Falklands Protector are presented. It is proposed to use this ... trawl during future surveys in the area in order to improve continuity in the survey series. The design ...
Meeting Document : WG-FSA-91/16 : Auteur(s): G. Parkes (United Kingdom)
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Analysis of changes in biomass of fish stocks in the South Georgia Area in 1976/77 – 1986/87
Abstract: The swept area method was used to estimate biomass density changes in the stocks of ... , Notothenia gibberifrons, and Notothenia rossii marmorata in the South Georgia area in the seasons of 1916/77 ... -1986/87. In most of the seasons analysed, the estimates covered a near-bottom layer in about 1/6 of the ... area of the island shelf. Assessment results point to considerable variations in fish biomass density ...
Meeting Document : WG-FSA-87/10 : Auteur(s): M. Mucha and W. Ślósarczyk (Poland)
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Analysis of changes in biomass of fish stocks in the south Georgia Area in 1976/77 – 1986/87
Abstract: The swept area method was used to estimate biomass density changes in the stocks of ... , Notothenia gibberifrons, and Notothenia rossii marmorata in the South Georgia area in the seasons of 1976/77 ... -1986/87. In most of the seasons analysed, the estimates covered a near-bottom layer in about 1/6 of the ... area of the island shelf. Assessment results point to considerable variations in fish biomass density ...
Meeting Document : SC-CAMLR-VI/BG/40 : Auteur(s): M. Mucha and W. Ślósarczyk (Poland)
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Research plan for the Spanish exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2: preliminary results of stage 1 (2012/13 season)
Abstract: The Spanish vessel Tronio started the research plan in the 2012/13 season using the ... Spanish bottom longline system. One depletion experiments was completed in each of the SSRU surveyed ... (58.4.1H and 58.4.1G). Three prospecting-phase clusters of sets did not reach the established threshold to ... start the depletion. A prospective estimation of the local biomass (B LOC) of the two localized areas ...
Meeting Document : WG-SAM-13/30 : Auteur(s): R. Sarralde, L.J. López Abellán and S. Barreiro (Spain)
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Draft MPA Report for the South Orkney Islands Southern Shelf (MPA Planning Domain 1, Subarea 48.2)
Abstract: The South Orkney Islands Southern Shelf Marine Protected Area (SOISS MPA) was ... established by CCAMLR in 2009 (CCAMLR-XXVIII paragraph 7.1; CM 91-03), with the objective of contributing ... towards the conservation of biodiversity in Subarea 48.2, and to the development of a representative ... system of protected areas across the Convention Area. In 2013, a preliminary draft MPA Report was ...
Meeting Document : WG-EMM-14/25 : Auteur(s): Delegation of the European Union
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Revised research plan for the exploratory fisheries for Dissostichus spp. in Division 58.4.1 in 2014/15
Abstract: The stock sizes for five research blocks (5841_1, 5841_2, 5841_3, 5841_4 and 5841_5 ... ) were estimated by the Petersen estimator and the CPUE x seabed analogy method using updated CCAMLR C2 ... data and reference area sizes. The stock size using the Petersen estimator was generally different from ... that using the CPUE method in each block. As we proposed at the last WG-SAM meeting, since we have yet ...
Meeting Document : WG-FSA-14/18 : Auteur(s): Delegation of Japan