Résultats de la recherche

1. Summary of research voyages in the South Orkney Islands region in 2015/16

   the South Orkney Islands region during the 2015/16 austral summer. These surveys together involved ...

   Meeting Document : SC-CAMLR-XXXV/BG/28 : Auteur(s): Delegations of the United Kingdom and Norway

2. Seabird research at Cape Shirreff, Livingston Island, Antarctica, 2005/06

   the previous season and was slightly higher than the previous eight year mean. Gentoo penguin fledge ... weights increased slightly from the 2004-05 season and were close to the previous eight year mean. Both ... which were 51-55mm in length. This is a continuation of a four year trend with increasing proportions of ... previous season and is the third lowest population size in the 10 years of census data. The chinstrap ...

   Meeting Document : WG-EMM-06/P1 : Auteur(s): E.S.W. Leung, R.A. Orben and W.Z. Trivelpiece (USA)

3. Seabird research at Cape Shirreff, Livingston Island, Antarctica, 2003–2004

   gentoo breeding population increased slightly from last year, it is at its second lowest size in the past ... was greater than in 2002-03, and was either similar to or greater than the seven-year mean, depending ... on methodology used. Fledging weights of both species increased from last year, but were below the ... eight-year mean for this parameter. Total chick meal mass was larger in both species compared to the ...

   Meeting Document : WG-EMM-04/5 : Auteur(s): M. Antolos, A.K. Miller and W.Z. Trivelpiece (USA)

4. Parameters for a model of the functional relationships between krill escapement and crabeater seal demographic performance

   sexual maturity was estimated to be 3.8 years. Of 44 annual estimates of historical cohort strength, 16 ... were judged to represent “ good" years for demographic performance, 18 as "poor" years ... , and 10 as "bad" years. Author(s):  P.L. Boveng and J.L. Bengtson (USA) Title:  Parameters ...

   Meeting Document : WG-CEMP-93/04 : Auteur(s): P.L. Boveng and J.L. Bengtson (USA)

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

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

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

6. Estimates of the tag loss rates for single and double tagged toothfish (Dissostichus mawsoni) fishery in the Ross Sea

   tagged fish having at least one tag remaining after one year at liberty; 98.9% after two years at liberty ... (95% C.I.s 0.027–0.052) tags per year. For double tagged fish this corresponds to 99.5% of double ... that the impact on the assessment of ignoring tag recapture data after a six year period was to ... ; declining to 94.6% after six years; and to 88.4% after ten years. Comparison of the different loss rate ...

   Meeting Document : WG-SAM-11/18 : Auteur(s): A. Dunn, M.H. Smith (New Zealand), D.J. Agnew (UK) and S. Mormede (New Zealand)

7. A method for spreading the risk of localised effects of catches of Antarctic krill up to the trigger level, during the development of stage 2 of feedback management

   the implementation of Article II of the Convention, taking into account the resource requirements of ...

   Meeting Document : WG-EMM-16/69 : Auteur(s): A.J. Constable, S. Kawaguchi and M. Sumner

8. Do the males of Dissostichus eleginoides grow faster, or only mature before females?

   concluded that the males mature for the first time at 4 years age and females at 10 years age, reaching 100 ... % maturity at 12 years age the males and 21 years age the females. Author(s):  C.A. Moreno (Chile) Title:  Do ...

   Meeting Document : WG-FSA-98/16 Rev. 1 : Auteur(s): C.A. Moreno (Chile)

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 with ... population dynamics of salps (Salpa thompsoni). Strong krill recruitment success there follows years of ... 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 to the ...

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

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

    one year, and for part of the differences in two other years, when mortality rates must also have been ... higher. In the remaining year, when the increase in population greatly exceeded the preceding decrease ... 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 ...

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

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