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1. An inter-laboratory comparison of ages estimated for Dissostichus eleginoides using otoliths

   full age range, indicating differences in the criteria used to interpret the first few years of age ... , possibly in identification of the first annulus. Author(s):  J. Ashford (United Kingdom) and P. Horn (New ... Abstract:  To examine consistency between laboratories in age estimation of Patagonian toothfish ... , otoliths were taken from 100 fish caught in the South Atlantic, and transverse sections prepared by baking ...

   Meeting Document : WG-FSA-99/56 : Автор(ы): J. Ashford (United Kingdom) and P. Horn (New Zealand)

2. Short note on time series of Drake Passage Oscillation Index (DPOI) and its influence on environmental variability

   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-07/14 : Автор(ы): M. Naganobu and K. Kutsuwada (Japan)

3. Status of white-chinned petrels Procellaria aequinoctialis Linnaeus 1758, at Bird Island, South Georgia

   the distributioin and density of occupied burrows in 1981 and 1998. In both surveys white-chinned ... petrel burrows occurred in one-quarter of the 460–47736-m2 quadrats surveyed. The total number of burrows ... breeding in tussock grassland at sub-Antarctic islands. Over the last decade it has been killed in large ... numbers in temperate and sub-tropical longline fisheries. However, no data are available on the global ...

   Meeting Document : WG-FSA-01/26 Rev. 1 : Автор(ы): S.D. Berrow, J.P. Croxall and S.D. Grant (United Kingdom)

4. SEASONAL ESTIMATION OF ABUNDANCE BY BOOTSTRAPPING INEXACT RESEARCH DATA (SEABIRD): A METHOD FOR ASSESSING ABUNDANCE AND UNCERTAINTY FROM HISTORICAL COUNT DATA USING ADELIE PENGUINS AS A CASE STUDY

   of that kind. The present study attempts to implement this estimator in the form of a parametric ... Abstract:  In addition to a review of published studies on Adelie penguin abundance at breeding ... uncertainty at breeding sites in Antarctica. To achieve this task, a menu-driven suite of routines titled ... SEABIRD (Seasonal Estimation of Abundance by Bootstrapping Inexact Research Data) has been developed in ...

   Meeting Document : WG-EMM-PSW-08/11 : Автор(ы): J.P. McKinlay and C.J. Southwell (Australia)

5. IDENTIFICATION OF DATA QUALITY METRICS FOR TAGGING DATA SELECTION

   . These include metrics for taxonomic resolution in the observer data, goodness of fit of catch data to ... Benford's Law, and the variation in toothfish catch rates.This reduced set of data quality metrics ... could be helpful in the identification of trips which have similar data quality to the known “good data ... ” trips, but where, due to heterogeneity in the stock and in the spatial and temporal distribution of ...

   Meeting Document : WG-SAM-09/19 : Автор(ы): D.A.J. Middleton and A. Dunn (New Zealand)

6. 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)

7. 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

8. 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)

9. 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.

10. 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

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