Resultados de la búsqueda
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Climate change and zooplankton dominance in the Antarctic marine ecosystem: implications for the food web
extensive sea-ice development. These trends potentially will have a major impact on the structure and ... function of the Antarctic marine ecosystem. In the Antarctic Peninsula region winter sea-ice coverage is a ... extensive winter sea-ice development and large summertime salp blooms follow winters with relatively little ... sea-ice. An order of magnitude decrease of krill population size, increased incidence of massive salp ...
Meeting Document : WG-EMM-96/21 : Autor(es): Siegel, V., Fraser, W., Trivelpiece, S., Holm-Hansen, O., Loeb, V., Hewitt, R., Trivelpiece, W.
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Plan of research program of the Russian Federation in Subarea 48.5
Abstract: Closed mostly within the Weddell Sea Subarea 48.5 is one of the closed data-poor CCAMLR ... . Despite the difficult ice conditions the Weddell Sea is the largest enclosed near-continental sea of the ... Antarctic which is very similar to the Ross Sea in some respects like shape, bathymetrical profile and ... current system. Such similarity gives hope that the Weddell Sea could become one of the most promising ...
Meeting Document : WG-SAM-15/18 : Autor(es): Delegation of the Russian Federation
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Seabird by-catch and bait loss in longlining using different setting methods
Abstract: Sea-birds taking baits during longline setting occationally become caught and are ... a setting funnel that guided the baited line beneath the sea surface or when using a sea-bird ... scaring device. Bait loss and the catches of target species and sea birds were compared with those of ... effectively by the sea-bird scarer. Losses of mackerel bait were also significantly reduced by using the ...
Meeting Document : WG-FSA-96/06 : Autor(es): Løkkeborg, S.
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Responding to climate change: Adélie penguins confront astronomical and ocean boundaries
, which included winters of both extensive and reduced sea ice, we investigated characteristics of ... Island, Ross Sea, the southernmost colonies for any penguin. We acquired data from 3-16 Geolocation ... . Trip distances varied annually, but not by colony. Penguins rarely traveled north of the main sea ice ... pack, and used areas with high sea-ice concentration, ranging from 75-85%, about 500 km inward from the ...
Meeting Document : WG-EMM-10/P11 : Autor(es): G. Ballard, V. Toniolo, D.G. Ainley, C.L. Parkinson, K.R. Arrigo and P.N. Trathan
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Spatio-temporal variability in the winter diet of larval and juvenile Antarctic krill, Euphausia superba, in ice-covered waters
changes in the sea-ice environment due to their association with sea ice and their need to feed during ... Weddell Sea during late winter 2013 using stomach contents, fatty acids (FAs) and bulk stable isotope ... volumes of copepods. Many of the prey species found in the stomachs were sea ice-associated. Our results ... , copepod abundance and sea-ice cover. In contrast, FA composition mainly varied between cohorts, indicating ...
Meeting Document : WG-EMM-18/P18 : Autor(es): F.L. Schaafsma, D. Kohlbach, C. David, B.A. Lange, M. Graeve, H. Flores and J.A. van Franeker
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Does large-scale ocean circulation structure life history connectivity in Antarctic toothfish (Dissostichus mawsoni)?
(Dissostichus mawsoni) in the Southeast Pacific Basin (SPB) and Ross Sea, with a life history structured by the ... structuring of life stages consistent with transport pathways from the northern Ross Sea. Lagrangian particle ... the Ross Sea where juveniles are caught; whereas, the circulation would facilitate adult movement ... : successfully spawning fish spend only a part of their adult life history in the Ross Sea; areas in the eastern ...
Meeting Document : WG-FSA-12/P02 : Autor(es): J. Ashford, M. Dinniman, C. Brooks, A. Andrews, E. Hofmann, G. Cailliet, C. Jones and N. Ramanna
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LETTER TO DRS REID, WATTERS AND JONES IN REGARD TO “DISAPPEARANCE OF TOOTHFISH FROM MCMURDO SOUND”
needs to be addressed without significant delay. Together we have worked in the Ross Sea and vicinity ... Sea ecosystem. Several recent findings indicate that the Antarctic toothfish (Dissostichus mawsoni) is ... rapidly disappearing from McMurdo Sound and vicinity, coincident with the maturation of the Ross Sea ... and the southern Ross Sea, and recommendations for restoration.” We are concerned that this is the ...
Meeting Document : WG-EMM-08/20 : Autor(es): D.G. Ainley, S.F. Ackley, K. Arrigo (USA), G. Ballard (New Zealand), J.P. Barry (USA), L. Blight (Canada), P. Broady, B. Davison (New Zealand), P. Dayton, A.L. DeVries, K. Dugger, J.T. Eastman, S.D. Emslie (USA), C. Evans (New Zealand), R.A. Garrott, G. Hofmann, S. Kim, G. Kooyman, S.S. Jacobs (USA), G. Lauriano (Italy), A. Lescroël (France), D.R. MacAyeal (USA), M. Massaro (New Zealand), S. Olmastroni (Italy), P.J. Ponganis (USA), E. Robinson (New Zealand), D.B. Siniff, W.O. Smith (USA), I. Sti
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Climate variability in the western Antarctic peninsula region
seasonal and interannual variability and by the occurrence of seasonal sea ice which changes the ocean ... temperature variability in fall and winter is linked to tile high interannual variability of sea ice coverage ... . Linear regression analysis shows a significant (99.9%) anti-correlation between air temperature and sea ... seasonal lead/lag relationships between temperature and sea ice in this region, which underscore the ...
Meeting Document : WG-EMM-95/61 : Autor(es): Stammerjohn, S.E., Baker, K.S., Smith, R.C.
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Net diagrams for Norwegian vessels notified for krill fishery in 2015/16 – Notification ID 86750, 86751, 86780 and 86781
the three Norwegian vessels (Juvel, Saga Sea and Antarctic Sea). The pages 1 – 6 relate to the vessel ... Juvel, and the pages 7 – 10 relate to the vessels Saga Sea and Antarctic Sea. Author(s): Delegation of ...
Meeting Document : WG-EMM-15/01 : Autor(es): Delegation of Norway
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Spatial and seasonal distribution of adult Oithona similis in the Southern Ocean: predictions using boosted regression trees
, the Argentine shelf, Weddell Sea, and the frontal region north of the Amundsen Sea, or under sea-ice ... Scotia Sea, two areas off east Antarctica, in the frontal zone north of the Amundsen Sea, and a small ... area in the outer Bellingshausen Sea. We recommend that a database of all available net-haul data on ... distribution of this species. (Deep-Sea Res. I, 57 (2010): 469–485) Author(s): M.H. Pinkerton, A.N.H. Smith, B ...
Meeting Document : WG-EMM-10/P14 : Autor(es): M.H. Pinkerton, A.N.H. Smith, B. Raymond, G.W. Hosie, B. Sharp, J.R. Leathwick and J.M. Bradford-Grieve