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1. Pup production and distribution of breeding Antarctic fur seals (Arctocephalus gazella) at South Georgia

   the rate of increase in pup production has declined since the initial period of population expansion ... in the 1950s and 1960s. Increased population size has led to an expansion of the breeding range at ... Abstract:  A census of the breeding population of Antarctic fur seals (Arctocephalus gazella) at ... South Georgia was carried out during the 1990/91 breeding season. Using counts of adult females ashore ...

   Meeting Document : WG-CEMP-92/39 : Автор(ы): I.L. Boyd (United Kingdom)

2. Otolith elemental signatures reveal habitat shift of Electrona carlsbergi

   the biological data in 1990s, however, the habitat shift of this species was still unclear. The ... waters of sub-Antarctic zone and spend the first year of life in this region. Those individuals move ... to test habitat shift and life history processes of fish species in the Southern Ocean. Moreover ... which circumpolar distributed between the warm waters of the subtropical confluence zone and the ...

   Meeting Document : WG-FSA-17/65 : Автор(ы): L. Wei and G.P. Zhu

3. Power analyses of CEMP indices for penguins at Admiralty Bay and fur seals at Cape Shirreff and Seal Island

   probability of rejecting the null hypotheses when they were, in fact, true), three periods of monitoring, and ... 21 levels of annual percent change in the CEMP indices. We conducted a number of “combined analyses ... type of overall trend. We displayed the results of our analyses in a tabular format designed to ... Abstract:  We used the program MONITOR to conduct a set of power analyses for CEMP indices ...

   Meeting Document : WG-EMM-03/52 : Автор(ы): G.M. Watters, R.P. Hewitt, W.Z. Trivelpiece and M.E. Goebel (USA)

4. Dietary segregation of krill-eating South Georgia seabirds

   ranges. selectivity by predators, or differences in escape responses of krill. For the krill-eating ... Abstract:  The diets of six of the main seabird species (two petrels, two albatrosses, two ... period in 1986. For five species, Antarctic krill Euphausia superba was the main food (39-98% by mass ... . The size of the krill taken was similar between seabird species, although there were small but ...

   Meeting Document : WG-EMM-97/15 : Автор(ы): Prince, P.A., Croxall, J.P., Reid, K.

5. Diets of Antarctic toothfish estimated from fatty acids and stable isotopes

   the particular importance of accumulation of lipid deposits in their tissue. Toothfish trophic niche ... whole population level. In contrast, the model calculations provided an estimation of dietary shift ... Antarctic toothfish, by-catch and their stomach contents were collected for the past five years in the eight ... locations of he Antarctic Waters. We investigated ontogenetic and spatial variability in resource ...

   Meeting Document : WG-FSA-17/12 : Автор(ы): C.-K. Kang, S.-G. Choi, J. Lee, J. Lee and D. An

6. An exact time of release and recapture stock assessment model applied to Macquarie Island Patagonian toothfish (Dissostichus eleginoides)

   released fish is assigned a length of time in the available population according to its estimated release ... Abstract:  This paper presents an assessment of the harvested population of Patagonian toothfish ... , catches, recaptures, natural mortality, and annual net recruitment are used to assess the population of ... one of the main fishing regions of Macquarie Island: Aurora Trough. The pre-tagging abundance is ...

   Meeting Document : WG-FSA-00/43 : Автор(ы): G. Tuck, W. de la Mare, W. Hearn, R. Williams, A. Smith, X. He and A. Constable (Australia)

7. Time series of Drake Passage Oscillation Index (DPOI) from 1952 to 2006, Antarctica

   Abstract:  An assessment of the environmental processes influencing variability in the recruitment ... krill recruitment and density in the Antarctic Peninsula area with an environmental factor; strength of ... and density of Antarctic krill (Euphausia superba DANA) is important as variability in krill stocks ... affects the Antarctic marine ecosystem as a whole. Naganobu et al. (1999) had assessed variability in ...

   Meeting Document : WG-EMM-06/13 : Автор(ы): M. Naganobu and K. Kutsuwada (Japan)

8. DEVELOPMENT OF A METHODOLOGY FOR DATA QUALITY ASSESSMENT

   biological sampling data from a fishing trip. In particular these measures aim to quantify the prevalence of ... in the quality of particular data sets from different trips in the Ross Sea Antarctic toothfish ... Abstract:  Measures are developed which aim to summarise the quality of fishing event, catch, and ... position or time reporting errors, the diversity of catch, the extent to which catch data follow Benford ...

   Meeting Document : WG-SAM-08/13 : Автор(ы): D.A.J. Middleton and A. Dunn (New Zealand)

9. 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

   of AGR using the MLPLB estimated VB parameters were closer to the mean trend in observed values with ... years old) to the VB model is also given in order to give more realistic predictions of mean length-at ... and showed that the bias is relatively small for the range of release lengths in the data. Predictions ... ) data used to obtain the samples of fish for ageing used length-bin sampling involving a fixed sample ...

   Meeting Document : WG-FSA-SAM-06/07 : Автор(ы): S.G. Candy, A.J. Constable, T. Lamb and R. Williams (Australia)

10. Reproductive performance of seabirds and seals at South Georgia and Signy Island, South Orkney Islands, 1976-1987: implications for Southern Ocean monitoring studies

    reviewed. Breeding success of the wandering albatross, which breeds in winter and eats fish and squid, has ... fluctuations in reproductive performance of the krill-eating, summer-breeding penguins at Signy Island are not ... in 1980-81 and 1982-83) with the date of ice break-out in late spring. Numerous parameters of ... / Description:  Aspects of the reproductive performance over the last decade of black-browed, grey-headed and ... reduced availability of krill is discussed. The fluctuations in reproductive performance of the krill ... correlate best (especially for Chinstraps, which suffered badly in 1980-81 and 1982-83) with the date of ... reviewed in terms of their sensitivity and suitability for detecting changes in the marine environment ... and P. Rotheryl (United Kingdom) Abstract Aspects of the reproductive performance over the last ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 445-447 : Автор(ы): Croxall, J.P., T.S. McCann, P.A. Prince and P. Rothery

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