Résultats de la recherche

1. Krill length frequency distribution in Subarea 48.3 in January–April 1988 in relation to sources of its origin

   considered in the frame of hypothesis of krill resources forming from two sources: Antarctic Circumpolar ... Current and Weddell Scotia Sea water flow. It is shown, that small krill with the mode of about 33 mm is ... distributed in the coastal zone of about 7-40 miles wide, further is situated the boundary zone at the ... distance of about 30-60 miles, beyond boundary zone occurs larger krill with the mode of about 49 mm. Krill ...

   Meeting Document : WG-EMM-03/40 : Auteur(s): F.F. Litvinov, V.N. Shnar, A.V. Zimin and V.V. Lidvanov (Russia)

2. On the examining of krill flux

   Abstract:  In connection with future calculation of volume of krill immigration/emigration (flux ... ) in the choosen polygones, the proves of active long-distance migrations of krill are considered ... results of calculations, is the valuation of krill retention time. To make it more correct and natural it ... is necessary to take into account the biological characteristics of krill, especially for the regions ...

   Meeting Document : WG-EMM-95/19 : Auteur(s): Makarov, R.

3. Assessment models for Patagonian toothfish in research block 58.4.3a_1 of Division 58.4.3a, Elan Bank for the years 2005-2014

   Abstract:  We made two sensitivity runs of age-structured and two fisheries (≥1300 m and < 1300 ... m) CASAL models for stock status assessments of Dissostichus eleginoides in the research block ... 58.4.3a_1 following the recommendations of the WG-FSA-2014 meeting. Two runs were carried out: including or ... ELAN_1 model reflected a large number of recaptures of the tags released concentrated in the western area ...

   Meeting Document : WG-SAM-15/24 : Auteur(s): K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan)

4. Results of the tagging experiment for (D. eleginoides) in Subarea 48.4, 2007 update

   Subarea 48.4, catching 54 t of toothfish. A total of 291 D. eleginoides and 1 D. mawsoni were tagged and ... released during fishing operations. This represents a very high tagging rate of 5.4 fish per tonne of catch ... distributions of abundance around the fishing area. There were two tag recaptures in 2007, both of D ... . eleginoides. These were recaptured 84km and 14km from their points of release. 3. The UK proposes to continue ...

   Meeting Document : WG-FSA-07/32 : Auteur(s): J. Roberts and D.J. Agnew (United Kingdom)

5. An updated descriptive analysis of the toothfish (Dissostichus spp.) tagging program in Subareas 88.1 and 88.2 for 2006/07

   Abstract:  The descriptive analyses of the toothfish tagging programme carried out in Subareas ... provides an update of the preliminary tag-release and tag-recapture data that were presented at the July ... 2007 meeting of WG-SAM by including revised data and data from non-New Zealand vessels that fished in ... 2007. Overall, a total of 15 088 Antarctic toothfish have been reported as released and 458 recaptured ...

   Meeting Document : WG-FSA-07/40 : Auteur(s): A. Dunn, S.M. Hanchet and S.L. Ballara (New Zealand)

6. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2003/04

   seven seasons in Subarea 88.1 and for three seasons in Subarea 88.2. A large amount of data on toothfish ... different to earlier reviews of the exploratory fishery. In the first instance, it reports catches by the ... , the reported catch is confined to C2 data. The catch of D. mawsoni was 2414 t, and contributed 87% of ... , about 12 t of Patagonian toothfish (D. eleginoides) was taken, almost entirely from SSRU 881B. The main ...

   Meeting Document : WG-FSA-04/20 : Auteur(s): S.M. Hanchet, M.L. Stevenson, N.L. Phillips and P.L. Horn (New Zealand)

7. Descriptive analysis of acoustic data collected during the 2003 exploratory fishery for toothfish in the Ross Sea

   Abstract:  This report presents results from a pilot study to determine the feasibility of ... . These analyses focused on the subset of acoustic data collected when setting longlines so acoustic ... recordings could be compared with longline catches. Data quality was generally good. Of the 84 line ... issues with data quality were interference from another echosounder, and the occurrence of a double ...

   Meeting Document : WG-FSA-03/28 : Auteur(s): R.L. O’Driscoll and G.J. Macaulay (New Zealand)

8. Fishing intensity of Russian fleet krill fishery in Subarea 48.2 and 48.3

   Abstract:  The purpose of this paper was estimating commercial fleet impact on krill population in ... and 48.3 amounted to at least 95% of total catch. The calculations were based on the Soviet fleet haul ... -by-haul data using a model of probabilistic-statistical theory of fishery systems developed in the ... AtlantNIRO. Intensity of commercial fleet impact on krill population, on biomass and density of krill ...

   Meeting Document : WG-EMM-02/62 : Auteur(s): S.M. Kasatkina and V.F. Ivanova (Russia)

9. An updated assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity and extension taking commercial catch-at-length data into account

   Abstract:  The CPUE-based Age-Structured Production Model (ASPM) assessment of this resource by ... Brandão et al. (2001) is updated to take account of further catch and effort data that have become ... available over the past year. This leads to an improved picture of resource status compared to a year ... previously, but a spawning biomass nevertheless still estimated to be heavily depleted and at a level of only ...

   Meeting Document : WG-FSA-02/76 : Auteur(s): A. Brandão, D.S. Butterworth, B.P. Watkins and L. Staverees (South Africa)

10. Variability of krill biomass estimates in repeated mesoscale surveys in relation to CCAMLR-2000 Survey

    Abstract:  One of the important problems in interpreting CCAMLR-2000 results is how they reflect ... the krill biomass status, is it high, medium or low at the present time. The comparative analysis of ... krill biomasses derived from trawl catches was carried out; retrospective data of three Soviet surveys ... , covering the main part of the CCAMLR-2000 area, were used: RV “Argus” (27.01.84-16.03.84) and RV “Evrika ...

    Meeting Document : WG-EMM-01/28 : Auteur(s): V.A. Sushin, F.F. Litvinov (Russia) and V. Siegel (Germany)

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