Résultats de la recherche
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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 : Auteur(s): 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 : Auteur(s): 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 : 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)
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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)
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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)
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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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THE ROSS SEA: A CANDIDATE FOR IMMEDIATE INCLUSION IN A NETWORK OF MARINE PROTECTED AREAS
, with initial inclusion of the well-researched Ross Sea, the area of the Southern Ocean having ... last stretches of the world’s oceans where sea ice remains an important part of the system. The Ross ... Sea, therefore, represents a refuge both for science, historical value, and a diverse, sea-ice ... associated biotic community inhabiting neritic waters. Author(s): Submitted by ASOC Title: THE ROSS SEA: A ...
Meeting Document : CCAMLR-XXVII/BG/30 : Auteur(s): Submitted by ASOC
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Activity, seasonal site fidelity, and movements of Type-C killer whales between the Ross Sea, Antarctica and New Zealand
and photo-identification), that TCKW undergo long-distance travel from the southern Ross Sea to New ... between the Ross Sea and New Zealand, but also emphasises the urgent need to re-evaluate the profile of ... , TCKW have been identified as one of the two top predator species in the Ross Sea most likely to be ... affected by the Ross Sea fishery for Antarctic toothfish, Dissostichus mawsoni, but critical knowledge gaps ...
Meeting Document : WG-EMM-15/52 : Auteur(s): R. Eisert (New Zealand), G. Lauriano, S. Panigada (Italy), E.N. Ovsyanikova, I.N. Visser, P.H. Ensor, R.J.C. Currey, B.R. Sharp and M.H. Pinkerton (New Zealand)
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CEMP indices: sea ice data
Abstract: The position of the sea ice edge around the Antarctic continent was digitised into ... MAPINFO GIS software from the Joint Ice Centre weekly charts of sea ice distribution. The digitised images ... F2: sea ice. Author(s): Secretariat Title: CEMP indices: sea ice data Approval: Approved ...
Meeting Document : WG-CEMP-93/15 : Auteur(s): Secretariat
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Integrated analysis of the by-catch data in the Ross Sea toothfish fishery
Abstract: The indices of exploratory toothfish fishery in the Ross Sea for the period of 2008 ... in toothfish and non-target species distribution in the Ross Sea, but not the longline vessels and ... target catch ratio in the Ross Sea. The observed influence of the longline gear types (Autoline ... order to improve the estimates of by-catch in the Ross Sea in the context of achieving the objectives of ...
Meeting Document : WG-FSA-16/13 Rev. 1 : Auteur(s): S. Kasatkina