Résultats de la recherche

1. Spatial and temporal operation of the Scotia Sea ecosystem: a review of large-scale links in a krill centred food web

   Abstract:  The Scotia Sea ecosystem is a major component of the circumpolar Southern Ocean system ... Current (ACC) and waters from the Weddell–Scotia Confluence dominate the physics of the Scotia Sea ... , manifest by the changing irradiance and sea ice cover, which leads to shorter summers in the south. Summer ... variability in winter sea ice distribution and sea surface temperatures that is linked to southern hemisphere ...

   Meeting Document : WG-EMM-07/P8 : Auteur(s): E.J. Murphy, J.L. Watkins, P.N. Trathan, K. Reid, M.P. Meredith, S.E. Thorpe, N.M. Johnston, A. Clarke, G.A. Tarling, M.A. Collins, J. Forcada, R.S. Shreeve, A. Atkinson, R. Korb, M.J. Whitehouse, P. Ward, P.G. Rodhouse, P. Enderlein, A.G. Hirst, A.R. Martin, S.L. Hill, I.J. Staniland, D.W. Pond, D.R. Briggs, N.J. Cunningham and A.H. Fleming (United Kingdom)

2. Demography of Antarctic krill in the Lazarev Sea (Subarea 48.6) and the Elephant Island area (Subarea 48.1) in 2004

   Abstract:  Standardized krill net sampling surveys were conducted in the Lazarev Sea (Subarea 48.6 ... decline after the good krill years in 2001 and 2002. Krill density was lower in the Lazarev Sea, even ... discussed for the Lazarev Sea. Information are given on the development of maturity stages and “re ... larvae are provided for the Lazarev Sea. Author(s):  V. Siegel (Germany), V. Loeb (USA), B. Bergström ...

   Meeting Document : WG-EMM-04/23 : Auteur(s): V. Siegel (Germany), V. Loeb (USA), B. Bergström (Sweden), S. Schöling (Germany), M. Haraldsson (Sweden), J. Kitchener (Australia), M. Vortkamp (Germany)

3. CIRCULATION IN THE ROSS SEA SECTOR OF THE SOUTHERN OCEAN: REPRESENTATION IN NUMERICAL MODELS

   Abstract:  The circulation in the Ross Sea sector of the Southern Ocean is examined in three ... redistribute water from the wider Southern Ocean into and out of the Ross Sea. The southermost gyre boundaries ... Circumpolar Current transport reduces, the gyral transport within the Ross Sea increases. Model flows at ... around 900 metres compare favourably with float data. Further, model depth-averaged flow on the Ross Sea ...

   Meeting Document : WG-EMM-09/41 : Auteur(s): G.J. Rickard (New Zealand), M. Roberts (United Kingdom), M.J.M. Williams, A. Dunn, M.H. Smith and M. Pinkerton (New Zealand)

4. Demography of Antarctic krill in the Lazarev Sea (Subarea 48.6) in the 2005/06 season

   Abstract:  A standardized krill net sampling survey was conducted in the Lazarev Sea (Subarea 48.6 ... ) in December 2005. Krill densities were low in the Lazarev Sea. No substantial day/night differences ... for the Lazarev Sea. Recruitment indices were calculated for one-year-old (R1) and two-year-old krill ... :  Demography of Antarctic krill in the Lazarev Sea (Subarea 48.6) in the 2005/06 season Approval:  Approved ...

   Meeting Document : WG-EMM-06/10 : Auteur(s): V. Siegel (Germany)

5. Progress towards a trophic model of the ecosystem of the Ross Sea, Antarctica, for investigating effects of the Antarctic toothfish fishery

   Abstract:  We report on the further development of a carbon-budget trophic-model of the Ross Sea ... Ross Sea is a low primary production system, with production being localised in space and time. In the ... balanced, due in part to limited information on diet fractions of Ross Sea organisms. Methods to adjust ... Sea are needed, especially with regard to the spatial, seasonal and interannual variability of these ...

   Meeting Document : WG-EMM-06/14 : Auteur(s): M. Pinkerton, S. Hanchet and J. Bradford-Grieve (New Zealand)

6. Using compact video camera technology for rapid deep-sea benthic habitat assessment

   Abstract:  A compact, autonomous deep sea video system designed and constructed by the Australian ... Ocean benthos, has a wider application in deep-sea marine research. The use of the system as a drop ... camera for broad-scale and rapid deep-sea benthic habitat assessment, during a recent AAD marine science ... sea ice. Author(s):  G.P. Ewing, R. Kilpatrick, A.J. Constable and D.C. Welsford (Australia) Title ...

   Meeting Document : WG-EMM-10/24 : Auteur(s): G.P. Ewing, R. Kilpatrick, A.J. Constable and D.C. Welsford (Australia)

7. Towards a Minimum Realistic Model for investigating trophic relationships between Antarctic toothfish and demersal fish in the Ross Sea, Antarctica

   in the Ross Sea, Antarctica. These demersal fish are known to form a part (in some cases a ... substantial part) of the diet of Antarctic toothfish of a size commonly taken by the Ross Sea fishery and are ... whitsoni); (2) icefish (especially Chionobathyscus dewitti); (3) deep sea cods (especially violet cod ... changes in the abundances of these four demersal fish prey/bycatch groups in the Ross Sea are possible ...

   Meeting Document : WG-SAM-10/21 : Auteur(s): M.H. Pinkerton, S. Mormede and S.M. Hanchet (New Zealand)

8. Calculation of indices of sea-ice concentration using digital images from the National Snow and Ice Data Centre

   Abstract:  A method is described for calculating indices of sea ice distribution from digital data ... of the distance of sea ice from CEMP sites, the northerly position of the sea ice edge, and the ... ):  Agnew, D.J. Title:  Calculation of indices of sea-ice concentration using digital images from the ...

   Meeting Document : WG-EMM-95/11 : Auteur(s): Agnew, D.J.

9. Areal and seasonal extent of sea-ice cover off the northwestern side of the Antarctic Peninsula: 1979 through 1995

   Abstract:  Analysis of seasonal sea ice cover of a 1,250,000 km2 area off the northwestern side of ... multiple years is apparent. Annual curves of sea ice cover were integrated over time to produce an annual ... index of sea ice cover in units of 106 km2-months. Author(s):  Hewitt, R.P. Title:  Areal and seasonal ... extent of sea-ice cover off the northwestern side of the Antarctic Peninsula: 1979 through 1995 Approval ...

   Meeting Document : WG-EMM-96/24 : Auteur(s): Hewitt, R.P.

10. THE ROSS SEA AS A UNIQUE EVOLUTIONARY SITE

    Abstract:  The case is made that the Ross Sea is an evolutionary site on par with those of the ... Antarctic marine groups. The Ross Sea fish fauna includes 95 species of fishes, dominated by 61 species of ... notothenioids, an endemic perch-like group. Relative to fish fauna in warmer regions, the nature of the Ross Sea ... Ross Sea continental shelf was not entirely covered by a grounded ice sheet, which was true of almost ...

    Meeting Document : WG-EMM-09/13 : Auteur(s): J.T. Eastman and D.G. Ainley (USA)

Pages