Résultats de la recherche

1. Influence of sampling protocol on diet determination of gentoo penguins, Pygoscelis papua and Antarctic fur seals, Arctocephalus gazella

   . The collection of diet samples on three occasions over a two week period was compared with collecting ... differences between sampling protocols. This study has shown that differences between sampling frequencies are ... . Mass of sampled individuals can account for significant variation and should be recorded, especially if ...

   Meeting Document : WG-EMM-99/29 : Auteur(s): S.D. Berrow, R.I. Taylor and A. Murray (United Kingdom)

2. Adélie penguin breeder abundance in CCAMLR Divisions 58.4.1 and 58.4.2

   Abstract:  WG-EMM-STAPP is charged with estimating krill consumption by the major air-breathing ... population for Divisions 58.4.1 and 58.4.2 in east Antarctica. We estimated that around 1.31 million pairs of ... breeding pairs. This difference is likely to be due to a combination of newly discovered breeding sites ...

   Meeting Document : WG-EMM-13/09 : Auteur(s): C. Southwell, J. McKinlay, L. Emmerson (Australia), A. Takahashi (Japan), C. Barbraud, K. DeLord and H. Weimerskirch (France)

3. Discharge of offal in the Ross Sea – follow up to COMM CIRC 15/15–SC CIRC 15/06

   with VMS records, CCAMLR Observer Reports and other information the Secretariat has available to ... location where offal was reported VMS data was used to identify all vessels that had been recorded within ... , ancillary information on the specific nature of the offal and on the particular vessels identified may be ...

   Meeting Document : CCAMLR-XXXIV/BG/10 : Auteur(s): CCAMLR Secretariat

4. Modelling the circumpolar distribution of Antarctic toothfish (Dissostichus mawsoni) habitat suitability using correlative species distribution modelling methods

   to CCAMLR’s management of this species. In this paper the use of Maxent models with fishery catch ... target-group background sampling approach that aims to correct biased sampling effort. The predictions ... needed to be constrained within an appropriate bathymetric range via post-processing. This resulted in an ...

   Meeting Document : WG-FSA-15/64 : Auteur(s): CCAMLR Secretariat

5. Continuation of multi-Member research on the Dissostichus mawsoni exploratory fishery in East Antarctica (Divisions 58.4.1 and 58.4.2) by Australia, France, Japan, Republic of Korea and Spain

   milestones in accordance with ANNEX 24-01/A. In 2016, the Scientific Committee agreed that the research plan ... rules remain to be determined for these Divisions. WG-FSA-16/29 outlines the first multi-member ...

   Meeting Document : WG-FSA-17/18 Rev. 1 : Auteur(s): Delegations of Australia, France, Japan, Republic of Korea and Spain

6. Krill associated ecosystem studies in the western Indian Ocean sector of the Southern Ocean during austral summer

   in the western Indian Ocean Sector of the Southern Ocean, to relate larval/adult krill with the ... and response functions that regulate the distribution, ultimately, to explain the impact due to change ... in climate or long term variations. Special emphasis will be given on the regional ecosystem ...

   Meeting Document : WG-EMM-2019/79 : Auteur(s): B.R. Smitha, H. Manjebrayakath, C.R. Asha Devi, N. Saravanane and M. Sudhakar

7. Report of the UK Groundfish Survey at South Georgia (CCAMLR Subarea 48.3) in January/February 2019

   calculated at 50,897 tonnes with a lower 1-sided 95% interval estimate of 30,288 tonnes. This is lower than ... in 2017, but is comparable with the long term average. The highest catches were on the moraine banks ... of the two northern strata and at the western end of Shag Rocks, with one high catch recorded in the ... (s):  S. Gregory, P. Hollyman, T. Earl, A. Clement, J. Visagie, L. Featherstone and M. Belchier Title ...

   Meeting Document : WG-FSA-2019/20 : Auteur(s): S. Gregory, P. Hollyman, T. Earl, A. Clement, J. Visagie, L. Featherstone and M. Belchier

8. 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 ... indicate that localised stocks of C. gunnari exist in South Georgia waters. The questions posed by the non ...

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

9. The 2013 annual random stratified trawl survey to estimate the abundance of Dissostichus eleginoides and Champsocephalus gunnari in the waters of Heard Island (Division 58.5.2)

   (HIMI) was completed during April of 2013. The catches of D. eleginoides for 2013 were half that of 2012 ... take. The catch of invertebrates in the 2013 survey was 6 t, which was lower than the long term average ...

   Meeting Document : WG-FSA-13/21 : Auteur(s): G.B. Nowara, T.D. Lamb and D.C. Welsford (Australia)

10. Molecular analysis of stomach contents from Antarctic toothfish (Dissostichus mawsoni) collected from Area 58 and 88 from 2016 to 2018

    compared to the morphological analysis especially it was useful to identify the species with similar ... between two species appear to be related to the size of D. mawsoni. Many of fish taxa in the stomach of D ... . mawsoni showed the multiple haplotypes by NGS analysis suggesting that those haplotypes would provide more ... should be made to obtain the longer DNA marker for the identification of each species and its haplotypes ...

    Meeting Document : WG-FSA-2019/37 : Auteur(s): S.R. Lee, S.-G. Choi, S. Chung, D.H. An and H.-W. Kim

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