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1. Tooth growth in male Antarctic fur seals (Arctocephalus gazella) from South Georgia: an indicator of long-term growth history

   provided an indication of body growth, Tooth growth rate was lowest in seals which died early (age 4 years ... became sexually mature early also died early. Tooth growth layers deposited in each calendar year were ... died of natural causes at Bird Island. South Georgia, was quantified from measurements of annual layers ... in longitudinal sections of teeth. Mean age at death was 7∙69 ± 0∙07 years and this showed a small ...

   Meeting Document : WG-CEMP-93/11 : Autor(es): I.L. Boyd and J.P. Roberts (United Kingdom)

2. Informe de pesquería 2015: Pesquería exploratoria de Dissostichus spp. en la Subárea 88.2

   toothfish (Dissostichus mawsoni) observed with mitochondrial and intron DNA markers. CCAMLR Science, 12 ...

   Document : Site Section: Publications

3. Informe de pesquería de kril de 2015

   1). 4. Durante el último decenio (incluidas las temporadas 2005–2014), el 41% de la captura total ha quedado en manos ...

   Document : Site Section: Publications

4. A review of data on abundance, trends in abundance, habitat use and diet of ice-breeding seals in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   represent the entire pack-ice. From the late 1960s to the early 1980s, Erickson and colleagues made a ... moulting. Breed- ing occurs in late spring and early summer, and moulting in mid- to late summer. For the ... seals often aggregate in larger groups in fast-ice habitats in early summer when breeding. Data on ... the late 1940s and early 1950s (Table 1). Laws (1953) estimated the abundances of the four species ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 49–74 : Autor(es): Southwell, C., J. Bengtson, M. Bester, A.S. Blix, H. Bornemann, P. Boveng and M. Cameron, J. Forcada, J. Laake, E. Nordøy, J. Plötz, T. Rogers, D. Southwell, D. Steinhage, B.S. Stewart and P. Trathan

5. Commercial krill fisheries in the Antarctic, 1973 to 1988

   ) fishery between 1972/73 and 1987/88. The annual krill catch rose gradually to a peak of some 500 000 ... (April to August). Trends in the fishery with respect to independent estimates of krill abundance and ... annual mean fishing effort was highest (Table 3). As with the Japanese fishery in Subareas 48.1 and ... , 1979). Exploratory fishing for krill as a commercial resource commenced in the early 1960's and ... split-years; a split-year being the twelve month period from 1 July in one year to 30 June in the next ... . The catch year is designated according to the second of the two split-years. Krill ST ATLANT data ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 229–281 : Autor(es): Miller, D.G.M.

6. Long-term trends in the foraging patterns of female Antarctic fur seals at South Georgia

   number of feeding trips, with 1979 being the year with the fewest trips made during the entire 20 year ... utilizing tetracycline-marked teeth confirmed that the feeding trip/suckling cycles of females are reflected ... ) the number of feeding trips made by an individual’'s mother during lactation. This analysis ... showed that between 1962 and 1981 the mean number of feeding trips made by female fur seals varied ... feeding trips, with 1979 being the year with the fewest trips made during the entire 20 year period ... tetracycline-marked teeth confirmed that the feeding trip/suckling cycles of females are reflected as ... number of feeding trips made by an individual's mother during lactation. This analysis showed that ... between 1962 and 1981 the mean number of feeding trips made by female fur seals varied markedly. From ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 441-443 : Autor(es): Bengtson, J.L.

7. Informe de pesquería: Pesquería exploratoria de Dissostichus spp. en las Subáreas 88.1 y 88.2

   numbers in later years in the fishery, and there was no evidence for recent strong variation in year ... Ross Sea shelf, or eastwards with the eastern Ross Sea gyre settling out along the continental slope ... , Annex 6, Table 3) and recommended: • strict compliance with Conservation Measure 25-02 (but with ... In accordance with CM 41-01 and the setting of research hauls is not required (Annex B, paragraphs 3 ...

   Document : Site Section: Publications

8. Effects of weather and sea-ice on the reproductive performance of the Adélie penguin at Edmonson Point, Ross Sea

   males on the second incubation trip. A high number of chicks died during the post-hatching stage and the ... extensive and persistent sea-ice and strong winds with snowfalls in December. First incubation trips by ... breeding success was low with 0.3 chicks crèched per nest with eggs. The mean crèching date was also ... in 2003. It is suggested in this paper that the ability of penguins to cope with severe short-term ... trip. A high number of chicks died during the post-hatching stage and the breeding success was low ... later (F2,260 = 43.04, p < 0.001) in 2003 (Table 2). No signifi cant differences between years were ... -rearing period compared with the 1999 and 2001 breeding seasons, in which sea-ice conditions and trip ... to year, except for crèching date which was later in 2003. Despite the consistency in timing of ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 99–109 : Autor(es): Olmastroni, S., F. Pezzo, V. Volpi and S. Focardi

9. Foraging energetics of Antarctic fur seals in relation to changes in prey availability

   normal years only 5% of their time at sea is spent resting. This contrasts with northern fur seals ... account for the observed between-year difference in at-sea FMR of C. ursinus while foraging-trip duration ... lactating female Antarctic fur seals, Arctocephalus gazella, foraging at sea was measured in two years using ... doubly labeled water at South Georgia Island. There was no difference between years in mass gain, water ...

   Meeting Document : SC-CAMLR-VIII/BG/13 : Autor(es): Delegation of United Kingdom

10. A first step towards modelling the krill–predator dynamics of the Antarctic ecosystem

    , together with suggested further areas for investigation. Amongst the key inferences of the study are that ... began in the late 1960s, with catches peaking at over half a million tonnes in the 1981 season, and ... taken between 1973 and 2001 (Miller, 2002). The fishery has been stable for the past nine years with ... the late 1960s, followed by a drop and then stabilisa- tion over more recent years. Mori and ... results and the assumptions on which they are based is discussed, together with suggested further areas ...

    Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 217–277 : Autor(es): Mori, M. and D.S. Butterworth

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