Результаты поиска

1. Methodology for automated spatial sea ice summaries in the Southern Ocean

   Abstract:  Sea ice is recognised as a core driver of both ecosystem dynamics and fishery ... performance in the Southern Ocean. Sea ice can limit access to fishing grounds, for both commercial fishing ... sea ice concentration data in the Southern Ocean, and relate it to data on commercial fishing vessel ... dynamics of sea ice in a target location for a specified period, and a temporal view is used to ...

   Meeting Document : WG-FSA-14/54 : Автор(ы): S.J. Parker, S.D. Hoyle, J.M. Fenaughty and A. Kohout (New Zealand)

2. Comparison between the CCAMLR-2000 and KY 1988 surveys on environmental variability of krill in the Scotia Sea, Antarctica

   Japanese R/V Kaiyo Maru Survey in the 1987/88 austral summer season in the Scotia Sea. There were distinct ... differences between the 2000 and 1987/88 Surveys with regard to sea ice extent, oceanographic structure and ... krill distribution. The sea ice cover in 1987/88 extended northward widely during the last winter season ... such that sea ice remained around the South Orkney Islands until December 1987. In contrast, the sea ...

   Meeting Document : WG-EMM-02/43 : Автор(ы): M. Naganobu (Japan), M. Brandon (United Kingdom), K. Ito, K. Segawa (Japan) and V. Siegel (Germany)

3. Ross Sea Bioregionalisation, Part II: Patterns of co-occurrence of mesopredators in an intact polar ocean ecosystem

   Abstract:  We report results of analyses of niche occupation among mesopredators in the Ross Sea ... ) and 3) diet. Species included were: Antarctic Minke Whale, Ross Sea Killer Whale (ecotype C ... localities from at-sea surveys and other sources. A machine learning, “maximum entropy” modeling algorithm ... use of the Ross Sea were apparent: 1) Shelf Break: restricted mostly to the shelf break, which ...

   Meeting Document : WG-EMM-10/12 : Автор(ы): G. Ballard, D. Jongsomjit and D.G. Ainley (USA)

4. Dynamics of Antarctic penguin populations in relation to inter-annual variability in sea-ice distribution

   Abstract:  To investigate the role of sea ice cover on penguin populations we used principal ... regional (from remote sensing data) sea ice variables. Throughout the study period, the Adélie penguin ... or breeding success and the local sea ice conditions. However, the regional sea ice extent at a ... breed. For both species, this period occurred before the sea ice reached its maximum extent and was ...

   Meeting Document : WG-EMM-96/10 : Автор(ы): Murphy, E.J., Croxall, J.P., Trathan, P.N.

5. Commercial fishing in the Ross Sea

   Abstract:  COLTO members have been fishing for toothfish in the Ross Sea for the past 15 years ... operations in the Ross Sea region.    The information sheet provides basic data on Antarctic Toothfish ... currently exist in the Ross Sea. It also highlights some of the findings of Ross Sea independent research ... toothfish through the Ross Sea region, and little or no impacts on dependent species and the ecosystem ...

   Meeting Document : CCAMLR-XXXI/BG/35 : Автор(ы): Submitted by COLTO

6. 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 : Автор(ы): M.H. Pinkerton, P. Lyver, D. Stevens, J. Forman, R. Eisert and S. Mormede (New Zealand).

7. 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 : Автор(ы): B. Meyer and S. Kawaguchi

8. 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 : Автор(ы): D. Ainley (USA)

9. 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 : Автор(ы): Symon, C., Murphy, E.J., Priddle, J., Clarke, A.

10. 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 : Автор(ы): W.Z. Trivelpice, J.T. Hinke, A.K. Miller, C. Reiss, S.G. Trivelpiece and G.M. Watters (USA)

Страницы