Résultats de la recherche

1. Downward adjustments to local catch limits for the krill fishery in Subarea 48.1

   quantified the survival and recruitment rates needed to maintain resilient penguin populations with a model ... monitor, with remote cameras, the mean ages at crèche of Adélie, chinstrap, and gentoo penguins at ... collected by this camera network, and camera-based estimates of age at crèche are on par with those based on ... within each gSSMU.  This decision rule is intended to provide the Commission with advance opportunity to ...

   Meeting Document : WG-EMM-16/46 : Auteur(s): Antarctic Ecosystem Research Division, Southwest Fisheries Science Center and NOAA Fisheries

2. 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.

3. 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)

4. Fishery Report: Dissostichus eleginoides (TOP) Heard Island (Division 58.5.2)

   ESS for each distribution. TOP 58.5.2 8 19. Random length samples were combined with year ... selectivity is high for 6-year-old fish and effectively declines to zero for fish older than 20 years. The ... assessment and is determined largely from the variability across years in estimated year-class strength ... survey were available for the years 2006 to 2011 to determine abundance-at-age using survey- and year ...

   Document : Site Section: Publications

5. 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)

6. Contribution de la CCAMLR à la sécurité alimentaire

   -term research and integrated actions associated with: the acquisition of operational-level fishery data ... with other information that supports the organisation’s efforts to ensure that the best available ... closures prohibited fishing gears sustained efforts over more than 15 years to combat Illegal, unreported ...

   Page : Site Section: The Organisation

7. 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)

8. Comparison of age readings from scales and otoliths of the Patagonian toothfish (Dissostichus eleginoides) from South Georgia

   effective with regard to time and cost. Values of fish growth parameters using the generalised von ... 24 years. This is very close to the maximum age of 22.8 years calculated from Taylor's formulae ... (with annuli indicated): (a) age estimated as 4 years, total length 48 cm; (b) age estimated as 9 years ... effective with regard to time and cost. Values of fish growth parameters using the generalised von ... range of this species extends to deeper than 2 500 m (Moreno, 1991), with the smallest specimens being ... found above 500 m. An increase in mean length of fish with increasing depth has been observed (Zhivov ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 191–203 : Auteur(s): Cassia, M.C

9. Southern elephant seals and CCAMLR

   been recently confirmed for the Macquarie Island stock. The availability of food, competition with ... rapidly growing fur seal populations and competition with fishing fleets have all been suggested as ... recently confirmed for the Macquarie Island stock. The availability of food, competition with rapidly ... growing fur seal populations and competition with fishing fleets have all been suggested as possible ... vary with subpopulations. At Iles Kerguelen, on the other hand, the population decline since 1970 ... degree of long-term fluctuation in cow numbers increased with density. Based upon censuses of parts ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 465-473 : Auteur(s): Bester, M.N. and D.G.M. Miller

10. 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)

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