Résultats de la recherche

1. Results from the 1998 bottom trawl survey of Elephant Island and the lower South Shetland Islands (Subarea 48.1)

   Resources program in two major regions of the South Shetland Islands: Elephant Island and the lower South ... levels, size composition, and condition are described and compared between the two regions. Maturity ... ogives were constructed for five species of finfish: Champsocephalus gunnari, Gobionotothen gibberifrons ... Shetland Islands from King George Island to Livingston Island. Information on species composition, catch ...

   Meeting Document : WG-FSA-98/15 : Auteur(s): C.D. Jones (USA), K.-H. Kock and S. Wilhelms (Germany)

2. REVISED ASSESSMENT OF TOOTHFISH STOCKS IN DIVISIONS 58.4.1, 58.4.2

   number of consecutive years with the tagging of toothfish a prerequisite for the legal fishery. This ... Abstract:  Exploratory fisheries for Dissostichus spp. have been operating in these regions for a ... examines 4 assessment methods based on comparative CPUE trends, local depletions, a constant recruitment ...

   Meeting Document : WG-FSA-08/43 : Auteur(s): D.J. Agnew, C. Edwards, R. Hillary, R. Mitchell (UK) and L.J. López Abellán (Spain)

3. Biomass abundance and distribution of fish in the Kerguelen Islands’ zone (Division 58.5.1)

   . Besides the commercial species, two species were abundant: Zanclorhynchus spinifer on the shelf and ... bottom trawling. Estimations of biomass and abundance are provided for eight commercial species. The ... squamifrons) seem to have increased, even doubled, their biomass during the period between the two surveys ... , important in the ecosystem. It is of a major interest for the management and conservation of fish ...

   Meeting Document : WG-FSA-07/16 : Auteur(s): G. Duhamel and M. Hautecoeur (France)

4. Fatty acid and stable isotope analyses to identify diets of Antarctic toothfish caught in February–March 2013 in the southern Ross Sea (88.1.K) and the eastern Antarctic Sea (58.4.1.C)

   of Antarctic toothfish between two areas showed their dependence on the different organic matter ... Abstract:  To identify the important prey items for pre-recruit Antarctic toothfish in the SSRUs ... , indicating higher trophic postion of the toothfish. Similar δ 15 N values between two areas 88.1.K and 58.4.1 ... relationship between Antarctic toothfish and other animals by collection and subsequent biomarker analyses for ...

   Meeting Document : WG-FSA-13/42 : Auteur(s): I. Yeon, Y.J. Kwon, S.G. Choi, D.W. Lee and C.-K. Kang (Republic of Korea)

5. Report of the UK groundfish survey at South Georgia (CCAMLR Subarea 48.3) in January 2015

   ) indicating the presence of a strong cohort of age 3+ fish. Estimated biomass for the other icefish species ... :  fsa-15-30.docx Approval:  Approved Secretariat Workflow Status:  Content Approved ... Abstract:  In January 2015 the UK undertook a bottom trawl survey of CCAMLR sub-Area 48.3 on the ... . Mackerel icefish density was low on the fishing grounds of the North West stratum but higher at the western ...

   Meeting Document : WG-FSA-15/30 : Auteur(s): M. Belchier, S. Gregory, N. Fallon, J. McKenna, S. Hill, M. Soffker (United Kingdom), P. Lafite (South Africa) and L. Featherstone (United Kingdom)

6. Characterisation of Muraenolepis species by-catch in the CCAMLR Convention Area

   estimate of K from the growth function for specimens assumed to be M. evseenkoi is much higher than for ... throughout the CCAMLR Convention Area. There are seven known species in the genus, but more work on the ... published suggest a relatively fast growing, semelparous, life history with a maximum age of 11 years. The ... localised area of high catch rates occurs on Iselin Bank on Ross Sea slope. However, effects of fishing on ...

   Meeting Document : WG-FSA-12/50 : Auteur(s): S. Parker, P. McMillan and P. Marriott (New Zealand)

7. Hydrometeorological condition features in South Orkneys subarea in February–March 1996

   of 1996) over the average for many years one and predominance of the meridional transfer over the ... daily indeses of atmospheric circulation for the period February-March 1996, calculated average values ... for ten-days periods and for month. There are calculated cyclogenesis intensity characteristics for ... features over ASA area at the summer period. There are obtained data on thermochaline conditions on the ...

   Meeting Document : WG-EMM-96/35 : Auteur(s): Polischuk, M.I., Shnar, V.N.

8. Krill distribution and biomass variability within Subarea 48.3 in June 1991

   in an 8 x 6 mile micropolygon, where eight consecutive hydroacoustic surveys were carried out. Krill ... were of 30 m in length, with density up to 200 g/m3. About 75% of all swarms revealed biomass to be ... tonnes. Krill distribution variability revealed in the polygon suggests an irregular import and export of ...

   Meeting Document : WG-KRILL-93/35 : Auteur(s): S.M. Kasatkina, E.N. Tymokhin, P.P. Fedulov and K.E. Shulgovskiy (Russia)

9. Performance and geometry of the FP-120 trawl used during the UK 1993/94 fish stock assessment survey around South Georgia, Subarea 48.3

   assessment survey around South Georgia on the MV Cordella are provided. Empirical equations are derived for ... Abstract:  Methods for the calculation of the horizontal opening (swept area) of a bottom trawl ... are discussed. Details of the Scanmar trawl monitoring equipment used for making in situ measurements ... of horizontal opening and headline height of the FP-1 20 trawl during the 1993/94 UK fish stock ...

   Meeting Document : WG-FSA-94/23 : Auteur(s): G. Pilling and G. Parkes (United Kingdom)

10. Analysis of changes in biomass of fish stocks in the South Georgia Area in 1976/77 – 1986/87

    C.gunnari stock. High biomass density appeared with 2-4 years intervals after recruiting an abundant year ... N.gibberifrons. Recently, an increase of the C.aceratus stock is observed and, at the same time, a gradual ...

    Meeting Document : WG-FSA-87/10 : Auteur(s): M. Mucha and W. Ślósarczyk (Poland)

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