Résultats de la recherche

1. CPUEs and body length of Antarctic krill density during the 1997/98 season in Area 48

   Antarctic Peninsula, the modal size was approximately 50mm, with narrow size range. Around the South ... differed among the periods. In the north east of South Georgia, single mode (approx. 37-39mm) with narrow ... trend across time. The main reason for the variations of the CPUE among the vessels were thought to be ...

   Meeting Document : WG-EMM-99/48 : Auteur(s): S. Kawaguchi (Japan)

2. Report of vulnerable marine ecosystems in South Georgia Islands (CCAMLR Subarea 48.3) through research dredge sampling

   specific sampling performed with dredge. Two indicator taxonomic groups (Porifera and Ascidiacea) dominated ... here with previous reports in the same area. Thus, owing to high diversity and abundance of indicators ... taxa, at least six areas around South Georgias should be considered as VME to minimize the risks caused ...

   Meeting Document : WG-FSA-13/58 : Auteur(s): E. Gaitán, L. Schejter, D. Giberto, M. Escolar and C. Bremec (Argentina)

3. Research plan for exploratory fishing for toothfish (Dissostichus spp.) in 2015/16 in Division 58.4.1

   . Robust stock assessment and catch limits according to CCAMLR decision rules remain to be determined for ... this Division. In 2008, only one vessel, Tronio, has conducted research fishing in accordance with a ... with the other participants over the coming years in order to participate in the tagging program and ...

   Meeting Document : WG-SAM-15/16 : Auteur(s): Delegation of France

4. Revised research plan for the exploratory longline fishery for Dissostichus spp. in 2015/16 in Division 58.4.1

   . Robust stock assessment and catch limits according to CCAMLR decision rules remain to be determined for ... this Division. In 2008, only one vessel, Tronio, has conducted research fishing in accordance with a ... with the other participants over the coming years in order to participate in the tagging program and ...

   Meeting Document : WG-FSA-15/73 : Auteur(s): A. Rélot-Stirnemann (France)

5. Shags in Antarctica: their feeding behaviour and ecological role in the marine food web.

   competition. Like other sub-Antarctic shags, P. bransfieldensis and P. georgianus are bottom feeders that prey ... decade at several Antarctic localities; this phenomenon at the South Shetland Islands might be at least ... as regulators of populations of its main fish prey species that have a marked site fidelity. The ...

   Meeting Document : WG-FSA-05/P5 : Auteur(s): Casaux, R., Barrera-Oro, E.R.

6. Concordance of inter-annual fluctuations in densities of krill around South Georgia and Elephant Islands: biological evidence of same-year teleconnections across the Scotia Sea

   similarities suggests that densities of krill at both locations are directly linked, and may be impacted by the ... temporal and spatial scales. The observed concordance also implies that the pelagic ecosystems at these ...

   Meeting Document : WS-AREA 48-98/11 : Auteur(s): A.S. Brierley (UK), D.A. Demer, R.P. Hewitt (USA) and J.L. Watkins (UK)

7. Demersal fish communities in the Ross Sea region of Antarctica: comparisons between video and trawl survey methods

   the trawl than the video and biomass estimates were similar. We hypothesise that this pattern could ... result from size-specific depth preferences in Macrourus spp. and conclude that video and trawl methods ... provide complementary information and if used together could be effective in routine assessments of ...

   Meeting Document : WG-FSA-12/51 : Auteur(s): D.A. Bowden, S.M. Hanchet and P.M. Marriott (New Zealand)

8. Diet overlap among top predators at the South Orkney Islands, Antarctica

   pairs was low and ranged from 8.1 to 28.1. The species that re-occurred most frequently were the ... had high overlap of fish prey. Predators that could forage on demersal or water column prey had yearly ... variable diets. This variability may be explained by fluctuations in krill availability. In years when ...

   Meeting Document : WG-EMM-18/04 : Auteur(s): M.L. Bertolin and R. Casaux

9. Warp strike observations

   assess the factors (fishery, environmental, and behavioural, temporal) that appeared to influence the ... . 9%) • The number of small bird heavy contacts was lower, with 306 contacts over the entire survey ... significant factor associated with large bird strikes • Discharging offal increased the large-bird strike rate ... by an estimated factor of 6, compared with no offal discharge • The strike-rate for large-birds ...

   Meeting Document : WG-FSA-05/40 : Auteur(s): E. Abraham (New Zealand)

10. Assessment Subgroup 2003 Introduction to Assessments

    WG-FSA Subgroup on Assessment Methods (WG-FSA-SAM) is to consider the assessment methods to be used ... considered by WG-FSA. It concludes with a suggested format for these summaries in the future. Author(s):  A ...

    Meeting Document : WG-FSA-SAM 03/4 : Auteur(s): A. Constable (Subgroup Coordinator)

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