Résultats de la recherche

1. Physical and behavioural influences on larval fish retention: contrasting patterns in two Antarctic fishes

   of C. gunnari were strongly influenced by location of the spawning site, with the greatest ... contribution to overall retention from spawning sites on the southwest South Georgia shelf. In addition, a ... Abstract:  Waters around South Georgia are amongst the most productive in the Southern Ocean, and ... retention of the planktonic stages (eggs and larvae) of marine fish can play a key role in the maintenance ...

   Meeting Document : WG-FSA-12/P10 : Auteur(s): E.F. Young, J. Rock, M.P. Meredith, M. Belchier, E.J. Murphy and G.R. Carvalho

2. Susceptibility to oxidative stress in different species of Antarctic birds: preliminary results

   maccormicki), breeding at Edmonson Point (Wood Bay, Ross Sea). At the time of sampling, Adélie penguins were ... Abstract:  The antioxidant defences in aerobic organisms represent the detoxification pathway ... during the 4-electrons reduction of molecular oxygen to water coupled with oxidative phosphorylation and ... during the activity of several enzymatic systems which produce ROS as intermediates. If the antioxidant ...

   Meeting Document : WG-EMM-99/59 : Auteur(s): S. Corsolini, F. Regoli, S. Olmastroni, M. Nigro and S. Focardi (Italy)

3. Report of a domestic workshop to identify U.S. stakeholders’ objectives and protection priorities for one or more marine protected areas in Planning Domain 1

   Island and the Marguerite Bay northeast to the tip of the peninsula and Joinville Island and including ... Abstract:  The United States has substantive interests within the boundaries of Planning Domain 1 ... , and, in March 2015, scientists from the U.S. Antarctic Marine Living Resources Program hosted a ... domestic workshop to develop background information relevant to the establishment of one or more marine ...

   Meeting Document : WG-EMM-15/34 : Auteur(s): G. Watters (USA)

4. Short note: time series of Drake Passage Oscillation Index (DPOI) from 1952 to 1988

   1950s until 1988 at the Web sites of the Carbon Dioxide Information Analysis Centre for Rio Gallegos and ... differences across the Drake Passage, sea ice cover and chlorophyll-a in the Antarctic Peninsula area during ... 1982-1998. They found significant correlations between krill recruitment and those factors. The ... westerlies were especially regarded as a key environmental index. Fluctuations in the westerlies across the ...

   Meeting Document : WG-EMM-02/44 : Auteur(s): M. Naganobu and K. Kutsuwada (Japan)

5. Contrasting population changes in sympatric penguin species in association with climate warming

   population changes between species at different study sites complicate the understanding of causal processes ... conditions for some species. These include the congeneric Adélie, chinstrap and gentoo penguins, which now ... demonstrate remarkable population responses to regional warming. However, inconsistencies in the direction of ... . Here, we show that at the South Orkney Islands where the three species breed sympatrically, the less ...

   Meeting Document : WG-EMM-06/P3 : Auteur(s): J. Forcada, P.N. Trathan, K. Reid, E.J. Murphy and J.P. Croxall (United Kingdom)

6. Monitoring marine debris and its impact on marine living resources in Antarctic waters

   Abstract:  This paper has been prepared by the Secretariat of the Commission for the Conservation ... Annex IV of the Protocol on Environmental Protection to the Antarctic Treaty (CEP-III Final Report ... , paragraph 19). A number of measures have been adopted and implemented by CCAMLR to monitor and assess the ... with a standard method. Standard forms have been created for the collection and submission of data from ...

   Meeting Document : SC-CAMLR-XX/BG/16 : Auteur(s): Secretariat

7. New Zealand Antarctic research programme

   Abstract:  Since parameters of penguin populations may provide good indices of the abundance of ... the key prey species (krill) and thus the state of the Antarctic marine ecosystem, aerial ... reconnaissance and photography are used in the Ross Sea sector of Antarctica to determine where Adelie penguins ... (Pygoscelis adeliae) breed, and to count the numbers of nests occupied during the early incubation period and ...

   Meeting Document : WG-CEMP-92/24 : Auteur(s): P.R. Wilson (New Zealand)

8. Unusual breeding by seabirds at Marion Island during 1997/98

   sites in the Southern Ocean may elucidate how climatic perturbations operating at a global scale impact ... species of seabirds capable of foraging over wide areas and for a tern. The number of king penguin ... Aptenodytes patagonicus chicks surviving to the start of spring in 1997 was considerably more than previously ... of northern giant petrels. Conversely, for two seabirds that feed close to the island, gentoo penguin ...

   Meeting Document : WG-EMM-03/13 : Auteur(s): R.J.M. Crawford, C.M. Duncombe Rae, D.C. Nel and J. Cooper (South Africa)

9. Conservation of Antarctic pack-ice seals with increasing krill fishing and environmental change

   declined, and fishing has increased rapidly. The highest seal density was found in the Marguerite Bay area ... Abstract:  The management of Antarctic krill and conservation of its predators requires ... understanding about the compound effects of changing habitats, ecosystem interactions, and fishing practices ... . For Antarctic pack-ice seals, a main group of krill predators, we report the spatial density and krill ...

   Meeting Document : WS-MPA-11/24 : Auteur(s): J. Forcada, P.N. Trathan (UK), P.L. Boveng (USA), I.L. Boyd (UK), D.P. Costa (USA), M. Fedak (UK), T.L. Rogers and C.J. Southwell (Australia)

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

    Abstract:  The Antarctic Treaty area will become increasingly frequented by both researchers and ... tourists in the future. Three main areas are likely to be impacted by this increase in use and by ... alterations due to climate change: the Western Antarctic Peninsula, the Ross Sea, and coastal regions of East ... infectious diseases. The number of investigations into infectious diseases of penguins has continued to ...

    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)

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