Résultats de la recherche
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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 : 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)
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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)
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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 : Auteur(s): S.M. Waugh (New Zealand), H. Weimerskirch (France), P.J. Moore and P.M. Sagar (New Zealand)
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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 : 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)
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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 : Auteur(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 : Auteur(s): M. Belchier, V. Foster, S. Gregory, S. Hill, V. Laptikhovsky, P. Lafite and L. Featherstone
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Intra-archipelago moult dispersion of southern elephant seals at the Prince Edward Islands, southern Indian Ocean
. The attendance rate of the known individuals at their natal island during the annual moult was only 40 ... Title: Intra-archipelago moult dispersion of southern elephant seals at the Prince Edward Islands ... Abstract: During three summer surveys at Prince Edward Island (PEI), southern Indian Ocean (2001 ... all, 42 seals that had been tagged as weaned pups at their natal site were found on Marion Island (MI ...
Meeting Document : WG-EMM-10/P16 : Auteur(s): W.C. Oosthuizen, M.N. Bester, P.J.N. de Bruyn and G.J.G. Hofmeyr
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Entanglement in man-made debris of Antarctic fur seals at Bird Island, South Georgia
removed from 170) during the 142 days of the 1988-89 pup-rearing season at Bird Island, South Georgia ... . This represents at least 0.1% of the total Bird Island population and a minimum of 0.4% of animals in ... . Rodwell and I.P. Boyd (United Kingdom) Title: Entanglement in man-made debris of Antarctic fur seals at ... Abstract: Neck collars of man-made marine debris were seen on 208 Antarctic fur seals (and ...
Meeting Document : CCAMLR-VIII/BG/05 : Auteur(s): J.P. Croxall, S. Rodwell and I.P. Boyd (United Kingdom)
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Intra-archipelago moult dispersion of southern elephant seals at the Prince Edward Islands, southern Indian Ocean
. The attendance rate of the known individuals at their natal island during the annual moult was only 40 ... Abstract: During three summer surveys at Prince Edward Island (PEI), southern Indian Ocean (2001 ... all, 42 seals that had been tagged as weaned pups at their natal site were found on Marion Island (MI ... ), 38 of which could be individually identified by resighting their tag numbers. The majority of the MI ...
Meeting Document : WG-EMM-10/P16 : Auteur(s): W.C. Oosthuizen, M.N. Bester, P.J.N. de Bruyn and G.J.G. Hofmeyr
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RECENT TRENDS IN NUMBERS OF CROZET SHAGS BREEDING AT THE PRINCE EDWARD ISLANDS
Abstract: Numbers of Crozet shags Phalacrocorax [atriceps] melanogenis breeding at Marion Island ... influenced by food availability. Numbers of Crozet shags breeding at Prince Edward Island approximately ... Title: RECENT TRENDS IN NUMBERS OF CROZET SHAGS BREEDING AT THE PRINCE EDWARD ISLANDS Approval ... were similar trends in numbers breeding and breeding success of gentoo penguins Pygoscelis papua, which ...
Meeting Document : WG-EMM-10/P2 : Auteur(s): R.J.M. Crawford, P.G. Ryan, B.M. Dyer and L. Upfold