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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)
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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.
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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
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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).
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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
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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)
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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.
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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)
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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 : Автор(ы): C.M. Brooks and J.R. Ashford (USA)
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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 : Автор(ы): 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)
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