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1. By-catch in the Australian fisheries in Division 58.5.2

   between 11 to 26% when skate and grenadiers cut and lost from longlines were included. The main bycatch ... % when skate and grenadiers cut and lost from longlines were included. The main bycatch species were ...

   Meeting Document : WG-FSA-05/68 : Author(s): E.M. van Wijk (Australia)

2. Krill biomass estimates for South Georgia, December and January 1996/97

   the eastern and western survey boxes were 36.1 mm and 45.4 mm respectively. These lengths were used to derive ... ) for the eastern and western boxes respectively. These mean density values were similar to those obtained during ... December/January 1996/97. Netting suggested that the mean lengths of krill within the eastern and western ... within each survey area. The estimates were 58.28 g m-2 (56.31) and 25.17 g m-2 (18.44) for the eastern ...

   Meeting Document : WG-EMM-97/48 : Author(s): Goss, C., Watkins, J.L., Brierley, A.S.

3. Population change in gentoo penguins Pygoscelis papua at South Georgia: potential roles of adult survival, recruitment and deferred breeding

   of variations introduced by good and bad years (as classified on the basis of breeding success ... ). There is generally good agreement between observed and predicted breeding populations, except in four years, when ... of these years were associated with reduced availability of krill, one with very cold winter and spring ... in one year, and for part of the differences in two other years, when mortality rates must also have been ...

   Meeting Document : WG-CEMP-93/08 : Author(s): J.P. Croxall and P. Rothery (United Kingdom)

4. Monitoring Antarctic toothfish (D. mawsoni) recruitment in the southern Ross Sea

   was started in 2012. The first year established the feasibility of carrying out a random stratified longline ... surveys have been conducted at a similar time of the year. The surveys caught mainly 70–110 cm total ... length, 5–10 year old, Antarctic toothfish. The results suggest a decline in toothfish abundance from ... show the appearance of a strong year class in 2012 which progressed through each year to 2017 ...

   Meeting Document : WG-FSA-17/57 : Author(s): S.M. Hanchet, S. Mormede, S. Parker, K. Large, A. Dunn and B. Sharp

5. Interannual variability of krill, salp and other zooplankton populations in the South Shetland Island area during Austral summer 1993–1998

   recruitment from the past two years. Unusually small juvenile krill in 1998 suggested that survival success ... the 1993 "salp year". The magnitude of this salp bloom may have resulted from a large ... regimes identified here as "cope pod years", "salp years" and "transition periods ... ". The 4-5 year periodicity of "salp years" over the past fifteen years is discussed ...

   Meeting Document : WG-EMM-98/50 : Author(s): V. Loeb, W. Armstrong, R. Hewitt (USA) and V. Siegel (Germany)

6. An integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) in Division 58.5.2 using CASAL

   Abstract:  This paper follows preliminary work in 2005 and early 2006 in developing an integrated ... This paper follows preliminary work in 2005 and early 2006 in developing an integrated assessment ...

   Meeting Document : WG-FSA-06/64 : Author(s): A. Constable, S. Candy, T. Lamb and I. Ball (Australia)

7. Observer notes (Subarea 88.1)

   cannot lead to their intbreeding as its gonads were at the early development stages in that period ... to their intbreeding as its gonads were at the early development stages in that period. Antarctic toothfish spawning ...

   Meeting Document : WG-FSA-04/89 : Author(s): V.G. Prutko (Ukraine)

8. REVISED AGE AND GROWTH ESTIMATES FOR ANTARCTIC STARRY SKATE, AMBLYRAJA GEORGIANA, FROM THE ROSS SEA

   that these skates initially grow very rapidly for about five years, after which growth almost ceases (Francis ... ages at maturity (about 20 years compared with 6–11 years) and greater maximum ages (28–37 years ... compared with 14 years). Several pieces of circumstantial evidence support the new interpretation ... that these skates initially grow very rapidly for about five years, after which growth almost ceases (Francis ...

   Meeting Document : WG-FSA-08/21 : Author(s): M.P. Francis (New Zealand) and M.J. Gallagher (Ireland)

9. Climate change and zooplankton dominance in the Antarctic marine ecosystem: implications for the food web

   has been warming over the past 40 years with an associated decreased frequency of winters ... ) and population dynamics of salps (Salpa thompsoni). Strong krill recruitment success there follows years ... years suggests that the food web may be affected by climate change. The 1994/95 austral summer season ... followed the first prolonged winter sea-ice season in three years and provides a strong contrast ...

   Meeting Document : WG-EMM-96/21 : Author(s): Siegel, V., Fraser, W., Trivelpiece, S., Holm-Hansen, O., Loeb, V., Hewitt, R., Trivelpiece, W.

10. Seasonal and interannual variability of krill, salp and other zooplankton populations in the northwest Antarctic Peninsula region: summer 2001 in relation to the Long-Term AMLR Data Set

    abundance relative to 1999 resulted in part from recruitment of the 1998/99 and 1999/2000 year classes ... -March reflected normal seasonal spawning in 2000/2001. This is the third year in a row that spawning ... and 1998 salp years were not encountered. Length frequency distribution of the dominant aggregate stage ... data set prolonged salp budding periods with pulses of late-season aggregate production preceded years ...

    Meeting Document : WG-EMM-01/45 : Author(s): V. Loeb (USA)

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