Resultados de la búsqueda
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Fish in the diet of breeding Antarctic shags Phalacrocorax bransfieldensis at four colonies in the Danco Coast, Antarctic Peninsula
Abstract: The diet of breeding Antarctic shags Phalacrocorax bransfieldensis was investigated at ... four colonies at the Danco Coast, Antarctic Peninsula, by the analysis of 616 pellets (regurgitated ... mainly influenced by the number of specimens of the smallest fish species, H. antarcticus, consumed at ... on the diet of this shag at the Antarctic Peninsula. The shags at the Danco Coast preyed markedly ...
Meeting Document : WG-EMM-00/9 : Autor(es): R. Casaux, A. Baroni and E. Barrera-Oro (Argentina)
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Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Signy Island, South Orkney Islands, 2005/2006
Abstract: The results of the eighth annual survey of entanglement of Antarctic fur seals at Signy ... at Bird Island, South Georgia in 2005/06. In the case of Bird Island, data indicated that the number ... number recorded at Bird island between the austral summers of 1988/89 and 2003/04. Although such a ... decrease is encouraging, the number of seals with neck collars at Bird Island, highlights the need for ...
Meeting Document : SC-CAMLR-XXV/BG/15 : Autor(es): Delegation of the United Kingdom
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Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Signy Island, South Orkney Islands, 2003/04
Abstract: The results of the eighth annual survey of entanglement of Antarctic fur seals at Signy ... undertaken at Bird Island, South Georgia in 2003/04. In the case of Bird Island, data indicated that the ... number recorded at Bird island between the austral summers of 1988/89 and 2003/04. Although such a ... decrease is encouraging, the number of seals with neck collars at Bird Island, highlights the need for ...
Meeting Document : SC-CAMLR-XXIII/BG/12 : Autor(es): Delegation of the United Kingdom
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Distribution and some biological features of icefish (Champsocephalus gunnari) at different life cycle stages in the South Georgia subarea
fish distribution at different stages of physiological state. Juvenile fish mainly distribute in the ... south, immature fish- in the cast and southwest, while adult at the north of the shelf. It was revealed ... had the opposite direction. Overwintering of icefish occurred at the depths of 200-250 m far from the ... biological features of icefish (Champsocephalus gunnari) at different life cycle stages in the South Georgia ...
Meeting Document : WG-FSA-99/65 : Autor(es): Zh.A. Frolkina (Russia)
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A von Bertalanffy growth model for Division 58.5.2 fitted to length-at-age data and a comparison of predicted with observed growth from mark–recapture data
the length-at-age data assuming normal errors with constant coefficient of variation using iteratively ... the Fabens model were developed based on assumptions about the distribution of age at first capture ... years old) to the VB model is also given in order to give more realistic predictions of mean length-at ... : A von Bertalanffy growth model for Division 58.5.2 fitted to length-at-age data and a comparison of ...
Meeting Document : WG-FSA-SAM-06/07 : Autor(es): S.G. Candy, A.J. Constable, T. Lamb and R. Williams (Australia)
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LENGTH AND AGE AT SPAWNING OF ANTARCTIC TOOTHFISH DISSOSTICHUS MAWSONI IN THE ROSS SEA
Abstract: This study uses a histological assessment of age and length at spawning for female and ... vitellogenic phase over at least a 6–12 month period, resulting in a developed batch of oocytes accumulating at ... remnants of previous spawning) yielded similar results. The age at 50% spawning for females on the Ross Sea ... P.J. Grimes (New Zealand) Title: LENGTH AND AGE AT SPAWNING OF ANTARCTIC TOOTHFISH DISSOSTICHUS ...
Meeting Document : WG-FSA-09/37 : Autor(es): S.J. Parker and P.J. Grimes (New Zealand)
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Information on the status of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in the lower South Shetland Islands derived from a long-term monitoring program (1983–2006) at Potter Cover
Abstract: The long term monitoring program of demersal fish at inshore sites of the South ... Shetland Islands has continued at Potter Cove from 2000 to 2006, covering a continuous sampling period of ... the period 1983-1999, is still evident. At Potter Cove, despite an overall increasing trend of N ... those of G. gibberifrons further declined and remain close to zero. At Harmony Cove, the relative ...
Meeting Document : WG-FSA-06/25 : Autor(es): E.R. Barrera-Oro and E.R. Marschoff (Argentina)
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Accumulation of stranded plastic objects and other artefacts at Inaccessible Island, central South Atlantic Ocean
m boulder beach at the western point of Inaccessible Island, central South Atlantic Ocean. This ... repeated the survey made at the same site during 1984, when the highest density of artefacts at the Tristan ... sources had increased by at least 120 per cent, suggesting a recent increase in the density. of artefacts ... Abstract: During 1987 a survey of macro-artefacts (>10 mm diameter) was conducted along a 900 ...
Meeting Document : CCAMLR-VII/BG/04 : Autor(es): P.G. Ryan and B.P. Watkins (South Africa)
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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 : Autor(es): 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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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 : Autor(es): M.N. Bester, P.G. Ryan and J. Visagie