Search results
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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 : Author(s): R.J.M. Crawford, B.M Dyer, M.S. De Villiers, G.J.G. Hofmeyr and D. Tshingana (South Africa)
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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 : Author(s): M.N. Bester, P.G. Ryan and J. Visagie
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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 : Author(s): S. Mormede, S. Parker and P. Grimes (New Zealand)
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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 : Author(s): S. Poncet (United Kingdom),G. Robertson (Australia), R. Phillips (United Kingdom), K. Lawton (Australia), B. Phalan, J. Croxall and P. Trathan (United Kingdom)
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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 ... 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 ... this Near Threatened species at Marion Island must take full account of its susceptibility to human ...
Meeting Document : WG-EMM-03/16 : Author(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)
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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 : Author(s): M.N. Bester, P.G. Ryan and J. Visagie
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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 : Author(s): S.M. Waugh (New Zealand), H. Weimerskirch (France), P.J. Moore and P.M. Sagar (New Zealand)
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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 : Author(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)
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Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Signy Island, South Orkney Islands 2000/01
Abstract: The results of the fifth annual survey of entanglement of Antarctic fur seals at Signy ... previous year. The absence of entangled seals at Signy Island could be due to the relatively low numbers of ... disposal of debris at sea. Author(s): Delegation of the United Kingdom Title: Entanglement of Antarctic ... which there were no sightings of seals with neck collars of man-made debris. Data are compared with ...
Meeting Document : SC-CAMLR-XX/BG/04 : Author(s): Delegation of the United Kingdom
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Report of the UK groundfish survey at South Georgia (CCAMLR Subarea 48.3) in January 2017
) was calculated at 91,049 t with a lower 1-sided 95% interval estimate of 37,514t. Mackerel icefish ... Rocks, at low levels in the northern strata of South Georgia and more abundant in the Southern strata ... Dissostichus eleginoides were low. A small peak in the length frequency distribution was present at lengths of ... : Report of the UK groundfish survey at South Georgia (CCAMLR Subarea 48.3) in January 2017 Approval ...
Meeting Document : WG-FSA-17/44 : Author(s): M. Belchier, V. Foster, S. Gregory, S. Hill, V. Laptikhovsky, P. Lafite and L. Featherstone