Résultats de la recherche

1. Report on the status of wandering, black-browed and grey-headed albatrosses at South Georgia

   since 1997 in the rate of decline of wandering albatrosses at Bird Island, which now stands at 4.5% per ... -term viability of the breeding populations of these species of albatrosses at South Georgia. Author(s ... Abstract:  Surveys of all known breeding sites of wandering, black-browed and grey-headed ... albatrosses were carried out at South Georgia in the 2003/04 breeding season. Wandering albatrosses were ...

   Meeting Document : WG-FSA-04/71 : Auteur(s): S. Poncet (United Kingdom),G. Robertson (Australia), R. Phillips (United Kingdom), K. Lawton (Australia), B. Phalan, J. Croxall and P. Trathan (United Kingdom)

2. SUMMER SURVEY OF FUR SEALS AT PRINCE EDWARD ISLAND, SOUTHERN INDIAN OCEAN

   remained free of Subantarctic fur seals and had expanded at a mean intrinsic rate of natural increase of ... growth. Author(s):  M.N. Bester, P.G. Ryan and J. Visagie Title:  SUMMER SURVEY OF FUR SEALS AT PRINCE ... Abstract:  The onshore distributions and the abundances of Antarctic fur seals Arctocephalus ... gazella and Subantarctic fur seals A. tropicalis were determined at Prince Edward Island during 16–20 ...

   Meeting Document : WG-EMM-10/P15 : Auteur(s): M.N. Bester, P.G. Ryan and J. Visagie

3. Interannual variation in the summer diet of Adélie penguin (Pygoscelis adeliae) at Edmonson Point

   Abstract:  Diet sampling of Adélie penguins (Pygoscelis adeliae) was carried out at two colonies ... composition of diet varied between locations: mean weight of food and krill content were generally higher at ... Edmonson Point. In the guard period, mean weight of food was lower at Inexpressible Island. Mean content of ... . Focardi (Italy) Title:  Interannual variation in the summer diet of Adélie penguin (Pygoscelis adeliae) at ...

   Meeting Document : WG-EMM-04/38 : Auteur(s): S. Olmastroni, F. Pezzo, I. Bisogno and S. Focardi (Italy)

4. Mortality of macaroni penguins (Eudyptes chrysolophus) at Marion Island caused by avian cholera (Pasteurella multocida) in 2004/05

   Abstract:  At Marion Island, an outbreak of Avian Cholera Pasteurella multocida killed about 2 000 ... and D. Tshingana (South Africa) Title:  Mortality of macaroni penguins (Eudyptes chrysolophus) at ... Macaroni Penguins Eudyptes chrysolophus at the colony at Kildalkey Bay during November 2004. Other colonies ... of Macaroni Penguins and other species of seabirds were not affected. In March 1993, an unknown ...

   Meeting Document : WG-EMM-05/37 : Auteur(s): R.J.M. Crawford, B.M Dyer, M.S. De Villiers, G.J.G. Hofmeyr and D. Tshingana (South Africa)

5. INVESTIGATING LENGTH AT MATURITY OF ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) BASED ON SCIENTIFIC OBSERVERS’ DATA

   difference in the GSI values of fish at different maturity stages. However these studies were carried out on ... the shelf contained a mixture of fish that had spawned or not, with length at 50% maturity of about ... 137cm. The equivalent GSI at 50% maturity was in the range of 1.1 to 1.4%. These results were used to ... , for example a yearly northern migration during spawning season only. Lengths at 50% maturity of ...

   Meeting Document : WG-FSA-08/48 : Auteur(s): S. Mormede, S. Parker and P. Grimes (New Zealand)

6. Catch rates and length composition data of the longline fishery for Dissostichus eleginoides at the Prince Edward Islands: 1996/97

   3.7 million hooks and landed 2 100 tons of toothfish. Although catch rates were initially high at ... around 0.7 kg per hook at the end of 1996 a steady decline in CPUE to less than 0.4 kg per hook towards ... the end of the season was noticed. The length frequency distribution showed that fish caught at the ... size of fish caught. Intensive fishing for D. eleginoides over the past year at the Prince Edward ...

   Meeting Document : SC-CAMLR-XVI/BG/28 : Auteur(s): Delegation of South Africa

7. Summer survey of fur seals at Prince Edward Island, southern Indian Ocean

   remained free of Subantarctic fur seals and had expanded at a mean intrinsic rate of natural increase of ... Title:  Summer survey of fur seals at Prince Edward Island, southern Indian Ocean Approval:  Approved ... Abstract:  The onshore distributions and the abundances of Antarctic fur seals Arctocephalus ... gazella and Subantarctic fur seals A. tropicalis were determined at Prince Edward Island during 16–20 ...

   Meeting Document : WG-EMM-10/P15 : Auteur(s): M.N. Bester, P.G. Ryan and J. Visagie

8. Food consumption estimates of southern elephant seal females during their post-breeding aquatic phase at South Shetland Islands

   gained while at sea. However, protein loss expressed in absolute terms or as a proportion of that present ... at the beginning of lactation explained about 50% of the variation in the protein gained during the ... -breeding aquatic phase were estimated at 96 Mj. Estimation of prey consumption varies according to ... the breeding group, assuming a diet composed of 75% cephalopods and 25% fish, was estimated at 521 t ...

   Meeting Document : WG-EMM-04/33 : Auteur(s): A.R. Carlini, G.A. Daneri, M.E.I. Márquez (Argentina), H. Bornemann (Germany), H. Panarello, R. Casaux (Argentina), S. Ramdohr and J. Plötz (Germany)

9. The food and feeding ecology of the white-chinned petrel Procellaria aequinoctialis at South Georgia

   Abstract:  The diet of the white-chinned petrel at Bird Island, South Georgia was studied during ... chinned petrel as the most important avian consumer of fish and squid at South Georgia (and the third most ... recorded previously at South Georgia and Indian Ocean sites probably reflecting high local availability of ... the chick-rearing period in 1986 by quantitative analysis (by weight, frequency of occurrence and ...

   Meeting Document : WG-CEMP-94/14 : Auteur(s): J.P. Croxall, A.J. Hall, H.J. Hill, A.W. North and P.G. Rodhouse (United Kingdom)

10. Population dynamics of black-browed and grey-headed albatrosses Diomedea melanophrys and D. chrysostoma at Campbell Island, New Zealand, 1942–96

    increasing slightly at average rates of 1.1% and 2.1% per annum at two colonies. The long-term downward trend ... Abstract:  The numbers of Black-browed Albatrosses Diomedea melanophrys and Grey-headed ... Albatrosses D. chrysostoma at Campbell Island, New Zealand, have declined dramatically since the 1940s. Black ... -browed Albatross numbers went into a steep decline in the 1970s and, since at least 1984, have been ...

    Meeting Document : WG-FSA-04/58 : Auteur(s): S.M. Waugh (New Zealand), H. Weimerskirch (France), P.J. Moore and P.M. Sagar (New Zealand)

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