Résultats de la recherche

1. Network characterisation of the food-web of the Ross Sea, Antarctica

   toothfish (Dissostichus mawsoni) in the region. We evaluate: (1) biomass and flow of organic matter by ... , i.e. the whole Ross Sea shelf and slope area, averaged over a typical year, and in 35 trophic groups ... pronounced peak in biomass in the lower-middle part of the food-web, a result of high biomass of ... the total living biomass in the Ross Sea (bacteria excluded). The six groups with the highest ‘indices ...

   Meeting Document : WG-EMM-12/53 : Auteur(s): M.H. Pinkerton and J.M. Bradford-Grieve (New Zealand)

2. Infectious diseases of Antarctic penguins: current status and future threats

   tourists in the future. Three main areas are likely to be impacted by this increase in use and by ... occurred. The majority of these events have occurred since the year 2000 in regions that will likely be ... valuable as indicators of the status of marine ecosystem health and are an indicator-species used in the ... on these birds.  Long-term disease studies would therefore be useful as an adjunct to aid in ...

   Meeting Document : WG-EMM-14/53 : Auteur(s): W.W. Grimaldi, P.J. Seddon, P.O.B. Lyver, S. Nakagawa and D.M. Tompkins (New Zealand)

3. A balanced trophic model of the ecosystem of the Ross Sea, Antarctica, for investigating effects of the Antarctic toothfish fishery

   variability in primary production. In the relative absence of krill, Antarctic silverfish (Pleuragramma ... primary production and the larger predators, though the role of cepahlopods in the system is poorly known ... characteristics are not well known. Toothed and baleen whales visit the Ross Sea in summer in relatively large ... in summer, and some may stay in the region year-round. The trophic model was balanced by adjusting ...

   Meeting Document : WG-EMM-07/18 : Auteur(s): M.H. Pinkerton, S.M. Hanchet and J. Bradford-Grieve (New Zealand)

4. Acquiring a ‘base datum of normality’ for a marine ecosystem: the Ross Sea, Antarctica

   processes in a system where both top-down and bottom-up forcing are still intact. Elsewhere in Earth’s ... researchers who currently investigate open-ocean systems. Herein, the importance of top-down forcing in ... pelagic and neritic marine ecosystems is reviewed with concrete evidence given for its existence in the ... current functioning of the RSShelfE. In spite of this unique evidence for the Antarctic region, much ...

   Meeting Document : WG-EMM-04/20 : Auteur(s): D. Ainley (USA)

5. Interannual hydroclimate fluctuations of the Atlantic part of the Antarctic since 1970 to 2000

   Abstract:  Late in 1999 and early in 2000 there was observed a significant shifting of Falkland ... . In this connection, retrospective hydrometeorological data on the areas of South-West Atlantic ... indices showed that since 1996 atmospheric process unusual development had been observed. In 1996-1998 an ... could be changed which, in turn, provoked variations in hydrodynamic conditions of krill habitat within ...

   Meeting Document : WG-EMM-00/35 : Auteur(s): G. Chernega, I. Polischuk and P. Chernyshkov (Russia)

6. PROTECTING THE SOUTHERN OCEAN WHALE SANCTUARY: DEVELOPMENT OF A MANAGEMENT PLAN

   Abstract:  ASOC submitted a paper to the June meeting of the International Whaling Commission in ... Santiago outlining the reasons why the IWC, in concert with CCAMLR and other appropriate international ... as an Opening Statement in accordance with IWC rules. Following the IWC meeting, ASOC prepared an ... updated version of the paper, which is now in circulation to all of the governments participating in the ...

   Meeting Document : CCAMLR-XXVII/BG/29 : Auteur(s): Submitted by ASOC

7. METHODOLOGY OF EVALUATING THE AQUATIC LIFE RESOURCES

   Abstract:  ic life is developed in accordance with the rules of metrology, mathematical statistics ... water life was investigated through biocenotic conditionality in the areas of their equal probability in ... concentrations. The traditional method of squares in evaluating the stocks of water life was modernized with the ... specific concentration. Allocation of borders in the areas of probably equal concentrations of aquatic life ...

   Meeting Document : WG-SAM-08/P02 : Auteur(s): L.A. Kovalchuk (Ukraine)

8. Surface exchange between the Weddell and Scotia Seas

   surface drifters released in January 2012 in the northwestern Weddell Sea. The drifters detail Lagrangian ... transport pathways between the eastern Antarctic Peninsula and sites of elevated chlorophyll in the Scotia ... Sea. ACC frontal currents, in particular the  Southern ACC Front, act as dynamical transport barriers ... Weddell source waters in the Scotia Sea. Interannual fluctuations in surface chlorophyll in the south ...

   Meeting Document : WG-EMM-14/P03 : Auteur(s): A.F. Thompson and M.K. Youngs

9. Extending the time series of catch-weighted length frequencies

   use of CCAMLR data for D. eleginoides in Subarea 48.3 collected in the seasons 1992/93 and from 1994 ... from 1993/94 because of a mismatch in Flag State which presently occurs between the length and catch ... data. A new procedure was developed which can use the mismatched data. In addition, historic data from ... 1986/87 to 1988/89 were entered in the CCAMLR database. The new procedure and recent data entry have ...

   Meeting Document : WG-FSA-SAM-06/04 : Auteur(s): David Ramm & Lydia Millar

10. OCCURRENCE OF DWARF MINKE WHALES (BALAENOPTERA ACUTOROSTRATA SUBSP) AROUND THE ANTARCTIC PENINSULA

    made only for the whales sighted in the proximity of the vessels when the specific diagnostic ... around the South Shetland Island and four in the Gerlache Strait. In addition, another two animals were ... identified as dwarf minke whales in the Bellinghausen Sea in winter 1993, being these the most southern ... Peninsula during the summer seasons, as well as in the Bellinghausen Sea in winter. The geographical range ...

    Meeting Document : WG-EMM-11/P2 : Auteur(s): J. Acevedo, C. Olavarría, J. Plana, A. Aguayo-Lobo, A. Larrea and L.A. Pastene

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