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1. Geographic aspects of Euphausia superba resources exploitation

   Abstract:  Data on distribution and biomass of E.superba aggregations at Atlantic sector and near ... adjacent waters (subregions outside of the Scotia Sea are under pecular attention) are observed ... ° Concentration of E.superba of the same order of biomass volume as in the Scotia Sea were observed at several ... subregions along the peripherie of Weddell Gyre and also nearshore of Antarctide. Offshore concentrations of ...

   Meeting Document : WG-CEMP-92/31 : Автор(ы): R.R. Makarov (Russian Federation)

2. Revised research plan for the exploratory longline fishery for Dissostichus spp. in 2012/13 Subarea 48.6 and Divisions 58.4.1, 58.4.2 and 58.4.3a (this is a revision of WG-SAM-12/09)

   58.4.1, 58.4.2 and 58.4.3a is resubmitted following paragraph 3.24 of WG-SAM-12. In the present proposal ... , we firstly showed information of catch, efforts, tagging experimental results based on the CCAMLR C2 ... data, and secondly showed the results of biological features with some discussion of life history in ... operations in the 2012/13 season for all vessels. Catch and efforts were active in two areas in the north of ...

   Meeting Document : WG-FSA-12/60 Rev. 1 : Автор(ы): Delegation of Japan

3. Distribution and abundance of Antarctic krill (Euphausia superba) off East Antarctic (30–80°E) in January–March 2006

   (Euphausia superba) and its associated coefficient of variance (CV). This paper updates the version submitted ... of Division 58.4.2 for the purposes of estimating the unexploited biomass (B0) of Antarctic krill ... to WG-EMM in 2006 (WG-EMM-06/16) because a reanalysis of the data has resulted in amendments to the ... acoustic estimates of krill mean biomass density, biomass and variance. The mean acoustic biomass density ...

   Meeting Document : WG-EMM-07/33 : Автор(ы): T. Jarvis, N. Kelly, E. van Wijk, S. Kawaguchi and S. Nicol (Australia)

4. Spatial distribution of predator/prey interactions in the Scotia Sea: implications for measuring predator/fisheries overlap

   Abstract:  The measurement of spatial overlap between predators and fisheries exploiting a common ... prey source is dependent upon the measurement scale used and the use of inappropriate scales may ... provide misleading results. Previous assessments of the level of overlap between predators and fisheries ... scales and arrives at contradictory conclusions. At-sea data from observations of krill predators during ...

   Meeting Document : WG-EMM-02/14 : Автор(ы): K. Reid, M. Sims, R.W. White and K.W. Gillon (United Kingdom)

5. Mackerel icefish biomass and distribution on the results of acoustic survey carried out in February–March 2002

   Abstract:  Results of the acoustic survey of icefish carried out by Russian vessel STM-8390 ... Atlantida in February-March 2002 in Subarea 48.3 are presented. Biomass and distribution of icefish were ... estimates of icefish were made by comparison an observed TS in situ histograms with the size composition of ... the ensonified fish, obtained by trawling. Results of acoustic estimates of icefish biomass and ...

   Meeting Document : WG-FSA-02/44 : Автор(ы): S.M. Kasatkina, V.Yu. Sunkovich, A.P. Malyshko and Zh.A. Frolkina

6. An index of per capita recruitment

   Abstract:  An index of per capita recruitment (PCR) is proposed such that Ri PCRy–1 = R1y/(1–R1y ... )eM where R1 is the proportion of age-1 animals sampled in year y and M is the post-recruit mortality ... rate. The intent of the index is to facilitate investigation of reproductive success and the factors ... postulated to affect it. The formulation of PCR is based on the assumptions that: 1) post-recruit mortality ...

   Meeting Document : WG-EMM-99/50 : Автор(ы): R. Hewitt (USA)

7. Preliminary review of Antarctic toothfish maturity in the Ross Sea

   Abstract:  Results of comparative histological analysis of gonads of female and male Antarctic ... toothfish Dissostichus mawsoni caught by Russian longliners in the Ross Ross Sea of the Pacific sector in ... 2004/2005- 2006/2007 seasons are presented. Morphological indices of females and males, age, indices of ... gonads, fecundity, and condition by Fulton are described. The criteria of assessment of maturity stages ...

   Meeting Document : WG-FSA-11/27 : Автор(ы): S.V. Piyanova and A.F. Petrov (Russia)

8. Revised reproductive analysis of Dissostichus mawsoni in SSRU 58.4.1 C for the Korean exploratory longline fishery in 2012/2013

   Abstract:  In the Division 58.4.1 there are two stocks of Dissostichus mawsoni, which is ... vulnerable with a big range of about 1,000-2,000 t per SSRU in 58.4.1. However, there is not enough data to ... analyze the reproductive ecology of Dissostichus mawsoni in SSRU 58.4.1C based on the histological methods ... as a part of Korean research plan for Dissostichus spp. in SSRUs 58.4.1 C and E during 2012/2013 ...

   Meeting Document : WG-FSA-13/45 : Автор(ы): I.J. Yeon, J.S. Lee, Y.J. Kwon, M.A. Jeon, S.K, Choi, K.J. Seok, D.W. Lee, K.Y. Ku and H.J. Kim (Republic of Korea)

9. Gonad analysis of Antarctic toothfish in Subareas 58.4 and 88.3

   Abstract:  The ratio of female among the 600 specimens of Antarctic toothfish collected from the ... found to be 0.50, and displayed the tendency of increase with increase in the total length 140 cm. The ... gonadosomatic index of the fish was 2.5 for the female, and 1.7 for male.  The hepatosomatic index of female ... (2.5) and male (2.7) were similar. The type of ovarian development of Antarctic toothfish was group ...

   Meeting Document : WG-FSA-17/09 : Автор(ы): J. Kim, S.-G. Choi, J. Lee, J. Lee and D. An

10. Summer distribution, abundance and structure of krill populations (Euphausia superba and Euphausia crystallorophias) sampled by plankton net in the western Ross Sea (January–February 2000)

    ) were analysed to obtain a general picture of the summer distribution pattern, abundance and demography ... of krill in the western Ross Sea (Antarctica). A midwater sampler-trawl (Hamburg Plankton Net) was ... double oblique tow. Mean relative biomass of Antarctic krill Euphausia superba, in the area north of ... Continental Shelf, was 9.4 (±18%) g/l000m3 of filtered water with a mean density of 11.0 (±16%) indviduals per ...

    Meeting Document : WG-EMM-00/38 : Автор(ы): M. Azzali, A. Sala and G. Brancato (Italy)

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