Résultats de la recherche

1. Foraging location and range of white-chinned petrels Procellaria aequinoctialis breeding in the South Atlantic

   Patagonian shelf. Dispersal of adults after breeding failure was south to the South Orkney Islands then west ... Abstract:  The foraging range and principal feeding areas of White-chinned Petrels breeding at ... less distance per day during chick-rearing (71 km) than during incubation (91 km) but the proportion ... covered at night (47%) was the same. Mean (31- 34 km/h) and maximum (80 km/h) flight velocities were ...

   Meeting Document : WG-FSA-99/20 : Auteur(s): S.D. Berrow, A.G. Wood and P.A. Prince (United Kingdom)

2. Population and breeding of the gentoo penguin Pygoscelis papua at Marion Island, 1994/95 to 2002/03

   Abstract:  The numbers of gentoo penguins Pygoscelis papua breeding at subantarctic Marion Island ... 1998/99, there was a steady decrease in numbers breeding between 1995/96 and 2000/01, when the ... increased the overall production of fledged chicks by 11%. Based on demographic parameters measured at other ... localities, the production of chicks at Marion Island was inadequate to maintain the population during the ...

   Meeting Document : WG-EMM-03/16 : Auteur(s): R.J.M. Crawford, J. Cooper, M. du Toit, M.D. Greyling, B. Hanise, C.L. Holness, D.G. Keith, J.L. Nel, S.L. Petersen, K. Spencer, D. Tshingana and A.C. Wolfaardt (South Africa)

3. THE POWER OF ECOSYSTEM MONITORING

   % power after 20 years with the probability of a type I error (α) = 0.05). The power increased to >50 ... ecosystem monitoring programme, the utility of which depends upon its ability (measured by the statistical ... monitoring programme of the predators of Antarctic krill Euphausia superba at South Georgia together with a ... krill population model to simulate natural and fisheries induced variability in krill abundance, the ...

   Meeting Document : WG-EMM-08/P11 : Auteur(s): K. Reid, J.P. Croxall and E.J. Murphy

4. Monitoring results of marine debris at Cape Shirreff, Livingston Island during the 1995/96 Antarctic season

   off their neck collars; after that they were released. As occurred in the Antarctic season 1994/95 ... Abstract:  The principal results of the monitoring survey on marine debris carried out at Cape ... Shirreff, Livingston Island, during the Antarctic season 1995/96 is given. During the present survey a ... , the plastic was the principal item (4 015 pieces) with a 94.45%; followed by glass (147 pieces), 3.46 ...

   Meeting Document : CCAMLR-XV/BG/27 : Auteur(s): Delegation of Chile

5. A preliminary assessment of age and growth of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea, Antarctica

   antarcticum) in the Ross Sea, Antarctica Abstract / Description:  Antarctic silverfish (Pleuragramma ... antarcticum) were sampled during a trawl survey in the Ross Sea, Antarctica. Biological data, including fish ... otoliths were used to estimate ages and von Bertalanffy growth parameters. The species is relatively slow ... -growing with a moderate longevity; the maximum estimated age was 14.3 years. Von Bertalanffy parameters ... (1989) concluded that the opaque zone had formed by the end of sum- mer. Consequently, the first opaque ... about 0.6 mm. Because the fish for the current work were sam- pled at the end of summer, otolith ... zone formed about 0.3 years after the birthday, had a radius of only about 0.1 mm, and was often ... subsample of 99 otoliths was re­read by the primary reader (CS) six weeks after the ini- tial reading to ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 75–86 : Auteur(s): Sutton, C.P. and P.L. Horn

6. Biological characteristics of Antarctic fish stocks in the Southern Scotia Arc region

   suggested that L. squamifrons was at spawning while T. hansoni was already coming towards the end of the ... Abstract:  Commercial exploitation of finfish in the southern Scotia Arc took place from 1977/78 ... to 1989/90, with its heydays from 1977/78 to 1981/82. Except for Elephant Island, the state of fish ... stocks of the southern Scotia Arc region has found little attention until 1998 despite substantial ...

   Meeting Document : WG-FSA-99/16 : Auteur(s): K.-H. Kock (Germany), C. Jones (USA) and S. Wilhelms (Germany)

7. Post-fledging and winter migration of Adélie penguins (Pygoscelis adeliae) in the Mawson region of east Antarctica

   travelled westward until July after which time they moved north within the expanding pack-ice into known ... were satellite-tracked using the Argos system during the winters of 1995-97 and 1998 respectively. Six ... February 1996 and 1997 and were tracked for up to five months before transmissions stopped. The seventh ... tracked for 32 days. All fledglings travelled northward initially, then westward along the edge of the ...

   Meeting Document : WG-EMM-02/47 : Auteur(s): J. Clarke and K. Kerry (Australia), C. Fowler (USA), R. Lawless, S. Eberhard and R. Murphy (Australia)

8. Abundance and trends of Type B killer whales (Orcinus orca) around the western Antarctic Peninsula

   ; both types were regularly encountered in the Weddell Sea around the northern end of the WAP. B1 killer ... Abstract:  The western Antarctic Peninsula (WAP) is warming rapidly and we need to understand the ... impact of these physical changes on the marine ecosystem. The WAP is surrounded by a complex marine food ... required to understand these trophic dynamics. The apex predator inWAP coastal waters is the killer whale ...

   Meeting Document : WG-EMM-18/16 : Auteur(s): H. Fearnbach, J.W. Durban, D.K. Ellifrit and R.L. Pitman

9. Results of the CCAMLR Antarctic fish otoliths/scales/bones exchange system

   Paper Title:  Results of the CCAMLR Antarctic fish otoliths/scales/bones exchange system Abstract ... / Description:  An exchange system was established among Members of CCAMLR to compare age determinations for the ... same species among different laboratories. Four species were included in the exchange: Notothenia ... rossii, Champsocephalus gunnari, Notothenia gibberifrons and Pleuragramma antarcticum. The level of ... readers (Figure 8). 4. DISCUSSION Since the beginning of the 1970s, many studies on age and growth of ... gibberifrons from the South Shetland Islands. (Data of reader 5 have not been included due to submission after ... SC-CAM LR-VIIIIBG/46 RESULTS OF THE CCAMLR ANTARCTIC ... established among Members of CCAMLR to compare age determinations for the same species among different ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 197–226 : Auteur(s): Kock, K.-H.

10. RECENT POPULATION ESTIMATES AND TRENDS IN NUMBERS OF ALBATROSSES AND GIANT PETRELS BREEDING AT THE SUB-ANTARCTIC PRINCE EDWARD ISLANDS

    group (Marion and Prince Edward islands) was conducted during December 2008, seven years after the ... Abstract:  The second mid-summer survey of surface-nesting seabirds at the Prince Edward Island ... have remained stable, whereas the population on Prince Edward Island decreased by 20% from 2001 to 2008 ... (3% per year). The estimate of Indian yellow-nosed albatrosses T. carteri at Prince Edward Island was ...

    Meeting Document : WG-EMM-10/P4 : Auteur(s): P.G. Ryan, M.G.W. Jones, B.M. Dyer, L. Upfold and R.J.M. Crawford

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