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Preliminary results of an age/length study of juvenile Notothenia rossii marmorata from Potter Cove, South Shetland Islands
specimens of the same area. Our data are similar to the ones reported previously for fish of Admiralty Bay ... Islands. Results from the analysis of both structures agreed in 95.5%. Likewise, the examination of ... otolith cross sections of chosen specimens confirmed in all the cases the age readings obtained from the ... second whole sagittal otolith. First October instead of the commonly accepted 1 July, was taken as the ...
Meeting Document : WG-FSA-90/09 : Автор(ы): E. Barrera-Oro and R. Casaux (Argentina)
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Comparisons in prey distribution between inshore and offshore foraging areas of chinstrap penguins and Antarctic fur seals at Seal Island
the slope/offshore region was less abundant with krill and more remote from their breeding sites than ... (Pygoscelis antarctica) went beyond the inshore region and foraged in the slope/offshore region, even though ... the inshore region. Only diurnal chinstrap penguins foraged in the inshore region. The following ... advantages are considered for visual predators to feed in the slope/offshore region at night:(l) krill showed ...
Meeting Document : WG-EMM-96/49 : Автор(ы): Ichii, T., Bengtson, J.L., Boveng, P., Cameron, M.F., Naganobu, M., Meyer, W.R., Hiruki, L.M., Takao, T., Jansen, J.K., Kawaguchi, S.
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Physical and behavioural influences on larval fish retention: contrasting patterns in two Antarctic fishes
contribution to overall retention from spawning sites on the southwest South Georgia shelf. In addition, a ... of C. gunnari were strongly influenced by location of the spawning site, with the greatest ... 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 : Автор(ы): E.F. Young, J. Rock, M.P. Meredith, M. Belchier, E.J. Murphy and G.R. Carvalho
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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 : Автор(ы): S. Corsolini, F. Regoli, S. Olmastroni, M. Nigro and S. Focardi (Italy)
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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 : Автор(ы): G. Watters (USA)
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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 : Автор(ы): M. Naganobu and K. Kutsuwada (Japan)
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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 : Автор(ы): J. Forcada, P.N. Trathan, K. Reid, E.J. Murphy and J.P. Croxall (United Kingdom)
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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 ... have been initiated at a number of sub-Antarctic and Antarctic sites. These programs include surveys of ...
Meeting Document : SC-CAMLR-XX/BG/16 : Автор(ы): Secretariat
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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 : Автор(ы): P.R. Wilson (New Zealand)
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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 : Автор(ы): R.J.M. Crawford, C.M. Duncombe Rae, D.C. Nel and J. Cooper (South Africa)
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