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1. Influence of the quality and quantity of data from a multi-year tagging program on bias and precision of biomass estimates from an integrated stock assessment – update

   estimates from an integrated tag-based assessment are influenced by various aspects of a multi-year tagging ... and the resulting data should not be used in stock assessments with only few years of data available ... collected in short tagging programs were sufficient for relatively robust assessments. Estimation errors of ... , creating ‘contrast’ in the data by strongly reducing the fish biomass is not needed for tag-based ...

   Meeting Document : WG-FSA-12/18 : Autor(es): P.E. Ziegler (Australia)

2. An approach to integrated analyses of predator/prey/environmental data

   Author(s):  S.N. Sexton and J.E. Rosenberg (USA) Title:  An approach to integrated analyses of ...

   Meeting Document : WG-CEMP-90/04 : Autor(es): S.N. Sexton and J.E. Rosenberg (USA)

3. Developments towards an investigation of potential bias from the analysis of tag–release and recapture data in Ross Sea Antarctic toothfish abundance estimates

   the current tagrecapture programme for Antarctic toothfish in the Ross Sea. We present an initial ... Abstract:  This report outlines developments towards evaluating bias in abundance estimates for ... spatial pattern of tag releases and recovery effort has changed over the years that the tagging programme ... population abundance. Author(s):  A. Dunn (New Zealand) Title:  Developments towards an investigation of ...

   Meeting Document : WG-FSA-SAM-06/10 : Autor(es): A. Dunn (New Zealand)

4. An effect of instrument attachment on the behaviour of chinstrap penguins

   Author(s):  D.A. Croll, S.D. Osmek and J.L. Bengtson (USA) Title:  An effect of instrument ...

   Meeting Document : WG-CEMP-90/21 : Autor(es): D.A. Croll, S.D. Osmek and J.L. Bengtson (USA)

5. Foraging ecology and diet of gentoo penguins (Pygoscelis papua) at South Georgia during winter and an assessment of their winter prey consumption

   (Pygoscelis papua) at South Georgia during winter and an assessment of their winter prey consumption Approval ...

   Meeting Document : WG-CEMP-90/16 : Autor(es): T.D. Williams (United Kingdom)

6. The making of management policy decisions An examination of the ways in which scientific evidence is being used by the Commission to aid its decision making

   Author(s):  Delegation of Australia Title:  The making of management policy decisions An ...

   Meeting Document : WG-DAC-90/05 : Autor(es): Delegation of Australia

7. Seasonal and annual variability in distribution of Electrona carlsbergi in the Southern Polar Front area with the South Georgia area taken as an example (available in Russian only)

   area taken as an example (available in Russian only) Approval:  Approved ...

   Meeting Document : WG-FSA-90/35 : Autor(es): A.N. Kozlov, K.V. Shust and A.V. Zemsky (VNIRO, USSR)

8. Stratification of catch-at-length data using tree based regression: an example using Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea

   sampled catch based on the median length of Antarctic toothfish for each set using the observer length ... toothfish catch-at-length and catch-at-age from the Ross Sea up to the end of the 2003–04 fishing season ... -length data using tree based regression: an example using Antarctic toothfish (Dissostichus mawsoni) in ...

   Meeting Document : WG-FSA-SAM-05/8 : Autor(es): N.L. Phillips, A. Dunn and S.M. Hanchet (New Zealand)

9. An 8-year cycle in krill biomass density inferred from acoustic surveys conducted in the vicinity of the South Shetland Islands during the austral summers of 1991/1992 through 2001/2002

   fit to the biomass density time series is dominated by an 8-year cycle and predicts an increase in ... ):  R.P. Hewitt, D.A. Demer and J.H. Emery (USA) Title:  An 8-year cycle in krill biomass density inferred ... vicinity of the South Shetland Islands, Antarctica were re-analyzed using updated procedures for ... delineating volume backscattering due to Antarctic krill, adjusting for signal contamination due to noise, and ...

   Meeting Document : WG-EMM-03/6 : Autor(es): R.P. Hewitt, D.A. Demer and J.H. Emery (USA)

10. POPULATION ASSESSMENTS OF GENTOO PENGUINS (PYGOSCELIS PAPUA) BREEDING AT AN IMPORTANT ANTARCTIC TOURIST SITE, GOUDIER ISLAND, PORT LOCKROY, PALMER ARCHIPELAGO, ANTARCTICA

    (chicks per nest) of the 10 colonies on Goudier Island, all of which have now been monitored for 12 ... consecutive years beginning in the 1996/1997 breeding season. Our results demonstrate that all colonies show ... considerable inter-annual variability for both the number of breeding pairs and breeding productivity. Of the ... six visited colonies, two showed an important and significant statistical decline in the number of ...

    Meeting Document : WG-EMM-09/P07 : Autor(es): P.N. Trathan, J. Forcada, R. Atkinson, R.H. Downie and J.R. Shears

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