Résultats de la recherche

1. Characterisation of the Antarctic polar frontal zone to the north of South Georgia in summer 1994

   first. Associated with the PF was a narrow, high-speed flow embedded in broader, slower moving regions ... estimates for other regions of the PF. Comparisons with output from recent oceanographic models were found ... to be consistent with the physical observations. A second examination of the region after a period of ...

   Meeting Document : WG-EMM-97/40 : Auteur(s): Brandon, M.A., Trathan, P.N., Murphy, E.J.

2. Pilot study on electrophoretic variation and stock structure in the mackerel icefish, Champsocephalus gunnari, South Georgia waters

   commercially-exploited mackerel icefish, Champsocephalus gunnari, together with a preliminary assessment of ... revealed average levels of genetic variability, with the proportion of polymorphic loci, P = 0.278, mean ... requires analysis of larger sample sizes with more comprehensive electrophoretic screening. Genetic data ...

   Meeting Document : WG-FSA-90/10 : Auteur(s): G.R. Carvalho and D.P. Lloyd-Evans (United Kingdom)

3. Responding to climate change: Adélie penguins confront astronomical and ocean boundaries

   averaged 12,760 km, with the longest being 17,600 km, and were in part facilitated by pack ice movement ... pack, and used areas with high sea-ice concentration, ranging from 75-85%, about 500 km inward from the ... ice edge. They also used locations where there was some twilight (2-7 hr with sun < 6° below ...

   Meeting Document : WG-EMM-10/P11 : Auteur(s): G. Ballard, V. Toniolo, D.G. Ainley, C.L. Parkinson, K.R. Arrigo and P.N. Trathan

4. Reports on abundance and biological information on toothfish in Divisions 58.4.4a and 58.4.4b by Shinsei Maru No. 3 in 2011/12 season

   SSRU in 2010/11. A total of 172 individuals of toothfish with good physical condition and single-hooked ... of size between the fish released with tag and that of overall catch was high (θ=81 %). Fish with ...

   Meeting Document : WG-SAM-12/16 : Auteur(s): K. Taki, T. Iwami, M. Kiyota and T. Ichii (Japan)

5. Revised research plan for toothfish in Divisions 58.4.4 a and 58.4.4b by Shinsei maru No. 3 in 2012/13

   2011/12 fishing season with the aims of providing the data required for assessments of the population ... three years with an annual research catch of approximately 50 tonnes. The estimate (976 tonnes) using ... normal trotline system, we would increase the comparison tests with trotline and Spanish line systems. We ...

   Meeting Document : WG-FSA-12/58 Rev. 1 : Auteur(s): Delegation of Japan

6. A distribution-free model of length-frequency distribution to inform fishery stratification for integrated assessments

   (GAMM) with cubic smoothing splines fitted to P for each combination of the covariates (i.e. gear type ... . Additional error terms included a random spatial block term and interactions of spatial blocks with other ... covariates. Graphical presentation of fitted splines along with standard error of difference bounds were used ...

   Meeting Document : WG-SAM-13/18 : Auteur(s): S. Candy, P. Ziegler and D. Welsford (Australia)

7. Mitigation of Macrourus by-catch in research block 58.4.1_6 and estimation of Macrourus biomass and sustainable catch in Divisions 58.4.1 and 58.4.2

   with high Macrourus spp. by-catch rates in depths between 750 m and 1150 m. To mitigate Macrourus spp ... vessels to fish within the research grid with structured fishing. The latter option is similar to research ... effort is distributed across a range of depth strata (<1000, 1001–1500, 1501–2000 m) with at least 5 ...

   Meeting Document : WG-FSA-17/23 : Auteur(s): D. Maschette, P. Burch, P. Yates and P. Ziegler

8. POTENTIAL PHENOLOGICAL RESPONSES TO ENVIRONMENTAL VARIABILITY AND CHANGE FOR ADÉLIE PENGUINS

   clear indication of phenological changes for the Adélie penguin (Pygoscelis adeliae) with contrasting ... tightly linked with environmental conditions or may reflect other underlying causes such as changes in a ...

   Meeting Document : WG-EMM-11/33 : Auteur(s): L. Emmerson and C. Southwell (Australia)

9. Finfish by-catch in the krill fishery for the 2010 and 2011 seasons

   , that  may go undetected in larger samples, are recorded using a sorting method with a standard sub ... was used.  With more data from the upcoming season and greater observer coverage across the fishing ...

   Meeting Document : WG-FSA-11/05 : Auteur(s): Secretariat

10. IMPLEMENTATION OF CCAMLR OBSERVER PROGRAM ON KRILL FISHERIES

    , together with haul-by-haul fine-scale data were used to identify the target SSMUs and the critical periods ... providing systematic observer coverage, with 100% vessel time coverage to ensure viable data collection. An ...

    Meeting Document : TASO-09/07 : Auteur(s): Kawaguchi, S.

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