Résultats de la recherche

1. Dynamic model of krill Euphausia superba swarm

   insects appear to disperse according to a reaction diffusion model with a constant diffusion coefficient ... . It was found that the vertical density pattern of krills' swarm, with a mean density of up to ... 1000 individuals/m3, is consistent with the insect model predictions. That is why cohesive forms of ... Abstract:  During the Italian Antarctic Expeditions to the Ross Sea, in the years 1989- 1994 ...

   Meeting Document : WG-EMM-95/68 : Auteur(s): Kalinowski, J., Azzali, M.

2. 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)

   Continental Shelf, was 9.4 (±18%) g/l000m3 of filtered water with a mean density of 11.0 (±16%) indviduals per ... dominance in the High Antarctic Zone (south of 74°), with a mean relative biomass of 3.0 (±26%) g/l000m3 and ... superba of age 3+ and 4+ were clearly predominant. While the overall length frequency distribution of ... second mode consisting of sub-adults and adults (Age groups 2+ and 3+). Author(s):  M. Azzali, A. Sala ...

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

3. Are krill recruitment indices from meso-scale survey representative for larger areas?

   ) and two-year old (R2) krill differ substantially between years. However, results were in conformity ... with the results from other scientific surveys. Recruitment indices showed a significant correlation ... single-year outliers from Elephant Island are discussed as well as the problem of ‘undersized’ length ... classes of the age-one-group which occur in the samples of some years. Author(s):  V. Siegel (Germany ...

   Meeting Document : WG-EMM-02/20 : Auteur(s): V. Siegel (Germany), R.M. Ross and L.B. Quetin (USA)

4. On the taxonomy of the Lepidonotothen squamifrons group (Pisces, Perciformes, Notothenioidei)

   macrophthalma, may also be identical with L squamifrons and that the L squamifrons 'group' is ... Abstract:  The Lepidonotothen squamifrons group has been described to be comprised of 3 species: L ... squamifrons (Günther, 1880). L kempi (Norman, 1937) and L macrophthalma (Norman, 1937). All 3 species closely ...

   Meeting Document : WG-FSA-93/25 : Auteur(s): R. Schneppenheim and K.-H. Kock (Germany), G. Duhamel (France) and G. Janssen (Germany)

5. Abundance and trends in the breeding population of Adélie penguins (Pygoscelis adeliae) in the western Ross Sea

   summer, with just over a quarter (27.5%) at colonies on Ross and Beaufort Islands (southern Ross Sea meta ... indicative of direct density dependence in the number of pairs returning to the colony each year.  In recent ... -1.8% for the years, 1981-2000 followed by a positive per capita growth rate of 5.5% for the years ... Cape Royds for the years, 1981 to 2012.  Colony growth rates for the southern Ross Sea meta-population ...

   Meeting Document : WG-EMM-13/30 : Auteur(s): P. O’B. Lyver, M. Barron, K.J. Barton, S. Gordon (New Zealand), D. Ainley, A. Pollard (USA), P.R. Wilson and M.H. Pinkerton (New Zealand)

6. Scientific observations in CCAMLR fisheries – past, present and future

   country. This paper outlines the Scheme's history in terms of its logistics, participation and ...

   Meeting Document : WG-FSA-04/64 : Auteur(s): Secretariat

7. An integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) in Division 58.5.2 using CASAL

   Abstract:  This paper follows preliminary work in 2005 and early 2006 in developing an integrated ... is consistent with the problems discussed of the potential bias of a single-area model in trying to ...

   Meeting Document : WG-FSA-06/64 : Auteur(s): A. Constable, S. Candy, T. Lamb and I. Ball (Australia)

8. Observer notes (Subarea 88.1)

   cannot lead to their intbreeding as its gonads were at the early development stages in that period ... formed by mature individuals: males with body length more 100 cm, females – more than 120 cm. Gonads of ...

   Meeting Document : WG-FSA-04/89 : Auteur(s): V.G. Prutko (Ukraine)

9. Catch rates and length composition data of the longline fishery for Dissostichus eleginoides at the Prince Edward Islands: 1996/97

   Sector of the Southern Ocean, surfaced early in 1996. This generated both national and international ... this backdrop that permits were issued in October 1996 to five vessels, each with an allocation of 240 ... tons per year, to fish in the South African zone at the Prince Edward Islands. The sanctioned fishery ... size of fish caught. Intensive fishing for D. eleginoides over the past year at the Prince Edward ...

   Meeting Document : SC-CAMLR-XVI/BG/28 : Auteur(s): Delegation of South Africa

10. Monitoring Antarctic toothfish (D. mawsoni) recruitment in the southern Ross Sea

    was started in 2012. The first year established the feasibility of carrying out a random stratified ... annual surveys have been conducted at a similar time of the year. The surveys caught mainly 70–110 cm ... total length, 5–10 year old, Antarctic toothfish. The results suggest a decline in toothfish abundance ... data show the appearance of a strong year class in 2012 which progressed through each year to 2017 and ...

    Meeting Document : WG-FSA-17/57 : Auteur(s): S.M. Hanchet, S. Mormede, S. Parker, K. Large, A. Dunn and B. Sharp

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