Résultats de la recherche

1. Predation release of Antarctic silverfish (Pleuragramma antarctica) in the Ross Sea

   adeliae) at breeding colonies in the southern Ross Sea more than doubled from about 235 000 to more than ... , consumption rates and diets of toothfish and Adélie penguins over the Ross Sea shelf as a first test of the ... they consume only a small proportion of silverfish (1.9–5.1% by mass) over the southern Ross Sea shelf ... increases in the number of Adélie penguins breeding in the southern Ross Sea. Mixed trophic impact (MTI ...

   Meeting Document : WG-EMM-15/53 : Auteur(s): M.H. Pinkerton, P. Lyver, D. Stevens, J. Forman, R. Eisert and S. Mormede (New Zealand).

2. Improving mechanistic understanding between larval krill, krill recruitment, and sea ice

   Southwest Atlantic Sector, which has been specifically linked to a decrease in extent and duration of sea ... strongly linked to sea ice, and their reproductive output and recruitment success been related to extent ... , timing and the duration of winter sea ice cover. The underside structures of sea ice are generally ... changing sea ice dynamics affect krill life history, their dynamics, and their distribution? This is a ...

   Meeting Document : WG-EMM-18/07 : Auteur(s): B. Meyer and S. Kawaguchi

3. The Ross Sea, Antarctica, where all ecosystem processes still remain for study

   Abstract:  The Ross Sea is a well-defined embayment of Antarctica about the size of southern ... composed of two related biotic systems: the Ross Sea Shelf Ecosystem (RSShE) and the Ross Sea Slope ... Ecosystem (RSSlE). The RSShE is the last Large Marine Ecosystems on Earth (except the Weddell Sea) that has ... scientific effort has been invested in studies of the geology, physics and biology of the Ross Sea over the ...

   Meeting Document : WG-EMM-02/60 : Auteur(s): D. Ainley (USA)

4. Temporal variation in Antarctic sea-ice: analysis of a long-term fast-ice record from the South Orkney Islands

   variability in Southern Ocean sea-ice dynamics. We present the first analysis of a series of fast-ice duration ... indicate that there has been a long term decline in the duration of sea-ice at the South Orkney Islands in ... the north-west Weddell Sea. This change has not been a simple linear decline but appears to have been ... dynamics of the Wed dell Sea. Investigation of the Weddell Sea ice dynamics in relation to circumpolar ice ...

   Meeting Document : WG-EMM-95/80 : Auteur(s): Symon, C., Murphy, E.J., Priddle, J., Clarke, A.

5. CHINSTRAP PENGUINS: MISUNDERSTOOD AND VULNERABLE MONITORS OF ECOSYSTEM CHANGES IN THE SCOTIA SEA REGION OF ANTARCTICA

   Abstract:  Sea ice plays a critical role in structuring ecosystem dynamics throughout the Scotia ... Sea (SS) region, and variations in ice extent are hypothesized to affect predator populations in this ... the SS, the “sea-ice hypothesis”, suggests that declines in the seasonal extent and duration of sea ... , 30 years of field studies in the WAP, coupled with more regional surveys throughout the Scotia Sea ...

   Meeting Document : WG-EMM-09/17 : Auteur(s): W.Z. Trivelpice, J.T. Hinke, A.K. Miller, C. Reiss, S.G. Trivelpiece and G.M. Watters (USA)

6. SPATIAL DISTRIBUTION AND AGE STRUCTURE OF THE ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN THE ROSS SEA, ANTARCTICA

   Abstract:  The Ross Sea has been geologically characterized by tectonic and glacial processes ... toothfish (Dissostichus mawsoni) are subject to an increasingly important commercial fishery in the Ross Sea ... assess the availability of habitat for Antarctic toothfish a benthic habitat map of the Ross Sea was ... -line fishery in the Ross Sea were superimposed on the habitat map and broken into discrete spatial ...

   Meeting Document : WG-FSA-08/18 : Auteur(s): C.M. Brooks and J.R. Ashford (USA)

7. Abundance and trends in the breeding population of Adélie penguins (Pygoscelis adeliae) in the western Ross Sea

   in the number of Adélie penguin breeding pairs at colonies in the western Ross Sea.  High angle ... 2012, and counted.  On average 870,465 pairs of Adélie penguins breed in the western Ross Sea each ... summer, with just over a quarter (27.5%) at colonies on Ross and Beaufort Islands (southern Ross Sea meta ... 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)

8. Review of biological parameters for Ross Sea skates

   taken as bycatch in the Ross Sea toothfish fishery: Amblyraja georgiana and Bathyraja cf. eatonii ... from the Ross Sea and South Georgia, and of B. cf. eatonii from the Ross Sea and Heard Island and the ... outside the Ross Sea can be applied to Ross Sea skates. Length-weight regression relationships for male ... and female A. georgiana and B. cf. eatonii from the Ross Sea are provided. Male and female ...

   Meeting Document : WG-FSA-06/31 : Auteur(s): M.P. Francis (New Zealand)

9. Pursuit and polynyas in the Ross Sea, Antarctica

   influence biological activity. We pursued daily transition of polynyas in the Ross Sea, Antarctica from 1978 ... through 1994 using images of sea ice concentrations by the satellite microwave observations. A typical ... polynya existed in the inner area of the Ross Sea in November of the each year. The shape of the polynya ... the entrance of the Ross Sea. The polynyas usually open to the northern oceanic water late in December ...

   Meeting Document : WG-EMM-98/31 : Auteur(s): M. Naganobu, T. Tanaka, Y. Okada, N. Kimura and S. Matsumura (Japan)

10. The Ross Sea cephalopod community: insights from stable isotope analysis

    identified as having relatively high importance in the food-web of the Ross Sea. However, information on the ... trophic ecology of the cephalopod assemblage of the Ross Sea region is poor. Stable isotope signatures of ... taxa sampled from the Ross Sea region. Samples were acquired through scientific trawls and from ... signatures typical of feeding on relatively low trophic level prey within the Ross Sea, and the second with ...

    Meeting Document : WG-EMM-12/55 : Auteur(s): D.R. Thompson, M.H. Pinkerton, D.W. Stevens (New Zealand), Y. Cherel (France), S.J. Bury (New Zealand)

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