Résultats de la recherche

1. 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

2. 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)

3. 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.

4. 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)

5. Southern right whale (Eubalaena australis) reproductive success is influenced by krill (Euphausia superba) density and climate

   number of calves recorded each year varied from 7 to 43 (x = 21.11 ± 11.88). Using cross-correlation ... correlations were found with krill densities (r = 0.69, p = 0.002, lag 0 years), Oceanic Niño Index (r = −0.65 ... , p = 0.03, lag 6 years), Antarctic Oscillation (r = 0.76, p = 0.01, lag 7 years) and Antarctic sea ... ice area (r = −0.68, p = 0.002, lag 0 years). Our results suggest that global climate indices ...

   Meeting Document : WG-EMM-16/P06 : Auteur(s): E. Seyboth, K.R. Groch, L. Dalla Rosa, K. Reid, P.A.C. Flores and E.R. Secchi

6. Investigation of the sensitivity of the Ross Sea toothfish assessment to withholding subsets of the available data

   the effect of not updating an assessment every year, and also the evolution of stock assessments with ... assessments, when each extra year of withheld data represented a large contribution to the model. In later ... example even when the number of tag recaptures in the most recent year was doubled or halved, the ... model outputs of withholding from a stock assessment between one and eight years of age frequency and/or ...

   Meeting Document : WG-SAM-11/17 : Auteur(s): S. Mormede (New Zealand)

7. Using stationary acoustic platforms to assess precision and accuracy of acoustical krill surveys

   a depth of ~20 m during daytime, while 24 % was found above ~20 m during night. A swarm detection ... approach suggested a similar pattern, 7 % of aggregated backscatter was found above ~20 m during daytime ...

   Meeting Document : WG-EMM-2019/32 : Auteur(s): T. Klevjer, G. Skaret and B.A. Krafft

8. Dynamics of Notothenia rossii rossii size-age structure on the Kerguelen Islands shelf

   used to characterise the age composition. It was determined that in the initial years of exploitation ... catches and in some years (1981-1985) fisheries were based practically on recruitment. After the closure ... . In May-June 1991 the mean length was 59.2 cm, mean age was 7.4 years; some 70% of catch consisted of ... that observed in the initial years of exploitation and further closure of marbled rockcod specialised ...

   Meeting Document : WG-FSA-94/04 : Auteur(s): P.B. Tankevich (Ukraine)

9. Interannual changes in body fat condition, stomach content mass and distribution of minke whales in Antarctic Areas IV and V

   . In Area V, in a year of high sea-ice extent, the krill-rich slope region in the western zone was ... the six years included in the study, two were categorized as years of poor body fat condition, and ... three as years of good condition. Estimated body weight gain during the feeding season in poor years was ... 25 % lower than in good years. The relationship between girth and stomach content mass in the ice ...

   Meeting Document : WG-EMM-97/18 : Auteur(s): Ichii, T., Nishiwaki, S., Tamura, T., Fujise, Y., Matsuoka , K.

10. REVISION DES PRESCRIPTIONS TECHNIQUES ENCADRANT LA PECHE A LA LEGINE AFIN DE LIMITER LES PRISES ACCESSOIRES

    together socio-economic aspects and fishery history, steps implemented by each vessel to minimize avian ...

    Meeting Document : SC-CAMLR-XXX/BG/10 : Auteur(s): Delegation of France

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