Résultats de la recherche
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Further development and progress towards evaluation of an Antarctic toothfish (Dissostichus mawsoni) stock model for the Ross Sea
towards evaluation of an Antarctic toothfish (Dissostichus mawsoni) stock model for the Ross Sea Approval ... model for the assessment of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea (Subareas 88.1 ... either two or three discrete areas, with migrations of fish between areas. The 2-area model appeared to ... adequately. In both of the spatial models, there was a lack of useful data on area splits, migration rates ...
Meeting Document : WG-FSA-SAM-05/12 : Auteur(s): A. Dunn, D.J. Gilbert and S.M. Hanchet (New Zealand)
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Catch per unit effort data from the early years of commercial krill fishing operations in the Atlantic sector of the Antarctic
validity of the CPUE index is discussed as an indicator for krill abundance/biomass and caution is ... Subareas 48.1, 48.2, 48.3 for the period 1975/76 to 1987/88. Comparisons are carried out between Subareas ... consistent pattern of CPUE values does not occur over time for the entire area. High average CPUE were ... in single years, between years on a Subarea and Area basis, and between oceanic and shelf regions ...
Meeting Document : WG-EMM-97/22 : Auteur(s): Sushin, V., Siegel, V.
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COMPARISON OF THE BIOMASS OF ANTARCTIC KRILL, (EUPHAUSIA SUPERBA), AROUND THE SOUTH SHETLAND AND SOUTH ORKNEY ISLANDS IN THREE YEARS: 1999, 2000 AND 2008
may be useful in deriving biomass estimates for the South Orkney Islands in 1999. We use a simple ... this region. Together the data from these three years suggest that biomass in the South Orkney Islands ... , and report on the biomass from a survey conducted in 2008. Biomass estimates in 2008 are calculated ... future development of management strategies based on small scale units. Author(s): C. Reiss and A ...
Meeting Document : WG-EMM-08/26 : Auteur(s): C. Reiss and A. Cossio (USA)
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Nine years of tag-recapture in CCAMLR Statistical Subarea 48.3 – Part II: Spatial movement and analysis
Abstract: This paper presents an analysis of data gained from nine years of tagging of Patagonian ... successful in providing substantial information for the stock assessment and that it can give a first ... toothfish (Dissostichus eleginoides) in Subarea 48.3. In addition to providing information on tagging ... ): M. Soeffker, C. Darby and R.D. Scott (United Kingdom) Title: Nine years of tag-recapture in CCAMLR ...
Meeting Document : WG-FSA-14/49 : Auteur(s): M. Soeffker, C. Darby and R.D. Scott (United Kingdom)
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Reasons of differences between distribution and density of mackerel icefish (Champsocephalus gunnari) aggregations in the South Georgia area during summer and autumn periods in different years from the bottom trawl survey data
between the shelf waters and ACC was also traced. Favourable conditions for formation of dense ... rather from concentration of food organisms in these areas than as a result of favourable conditions for ... factor for formation of icefish aggregations as it impedes descending food objects to the horizons ... -2.0°C) for this area in the places of food organism aggregation is another obstacle for performing ...
Meeting Document : WG-FSA-05/77 : Auteur(s): Zh.A. Frolkina (Russia)
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An inter-laboratory comparison of ages estimated for Dissostichus eleginoides using otoliths
Zealand) Title: An inter-laboratory comparison of ages estimated for Dissostichus eleginoides using ... otoliths by one reader from the Center for Quantitative Fisheries Ecology at Old Dominion University and ... information: the readers generally read the sections similarly, with 84.7% of the estimates falling within two ... years or less of each other. Variation in estimates between readers did not increase markedly with age ...
Meeting Document : WG-FSA-99/56 : Auteur(s): J. Ashford (United Kingdom) and P. Horn (New Zealand)
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Development of an underwater setting method for surface longliners, to minimise the accidental capture of seabirds
placement devices were evaluated. Two methods being selected for further in depth evaluation. The first ... ., Smith, M. Title: Development of an underwater setting method for surface longliners, to minimise the ... Abstract: In response to the Department of Conservation's concerns for the accidental ... concept being a towed paravane with an endless cable employed to transport and release the bait at the ...
Meeting Document : WG-FSA-97/54 : Auteur(s): Bentley, N., Smith, M.
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PROPOSAL FOR AN EXTENSION TO THE MARK–RECAPTURE EXPERIMENT TO ESTIMATE TOOTHFISH POPULATION SIZE IN THE SOUTH OF SUBAREA 48.4
South of 48.4. Author(s): J. Roberts and D.J. Agnew (United Kingdom) Title: PROPOSAL FOR AN EXTENSION ... Abstract: 1. A three-year tagging study in the South of Subarea 48.4 was initiated in the 2008/09 ... fishing season with the aims of providing the data required for assessments of the population structure ... 48.4; 2. In 2008/09 a total of 214 D. eleginoides and 192 D. mawsoni were tagged and released. Two ...
Meeting Document : WG-FSA-09/18 : Auteur(s): J. Roberts and D.J. Agnew (United Kingdom)
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Notification of Australia’s intention to conduct an exploratory longline fishery in Division 58.4.3b for Dissostichus spp.
Notification of Australia’s intention to conduct an exploratory longline fishery in Division ... 58.4.3b for Dissostichus spp. ...
Meeting Document : CCAMLR-XXIV/20 : Auteur(s): Delegation of Australia
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Notification by the Republic of Korea of its intention to conduct an exploratory fishery for Dissostichus spp. in the 2004/05 season (Subarea 48.6)
Notification by the Republic of Korea of its intention to conduct an exploratory fishery for ...
Meeting Document : CCAMLR-XXIII/20 : Auteur(s): Delegation of the Republic of Korea