Résultats de la recherche

1. Direct ageing of Antarctic krill (Euphausia superba) – potential utility of eyestalk sections for age determination

   superba). Recent studies (Kilada et al. 2012), have shown that annular growth bands are present in the ... Antarctic Division and examined using the methods outlined in (Kilada et al. 2012). Two analyses are ... Abstract:  We outline a method for the direct determination of age in Antarctic krill (Euphausia ... endocuticle layer of the eyestalks and gastric mill in decapod crustaceans. Here we report on a preliminary ...

   Meeting Document : WG-EMM-15/45 : Auteur(s): C. Reiss (USA), R. Kilada (Canada) and S. Kawaguchi (Australia)

2. Trends of Antarctic fur seal population at SSSI No. 32, Livingston Island, South Shetlands, Antarctica

   affected by the El Niño Southern Oscillation phenomena might be given by the intrinsic rate of population ... had to model the population at the latter site, in order to have a complete estimate of the population ... . From this, we estimated an overall increase of 17% in the total population, including in this figure a ... , and the scattered historical data. Further evidence that the breeding population of A. gazella is ...

   Meeting Document : WG-EMM-99/16 : Auteur(s): R. Hucke-Gaete, D. Torres, A. Aguayo, J. Acevedo and V. Vallejos (Chile)

3. e-sc-xxx-a08.pdf

   ... conducted by BirdLife (Anderson et al., 2011), which had been carried out by reviewing the extent of ... ................................................................................. 429 APPENDIX A: Agenda ................................................................... 430 ... of the agenda 1.3 The provisional agenda for the meeting was discussed and adopted (Appendix A ... Group. 1.5 The report was prepared by the participants and includes a list of participants (Appendix application/pdf attached to:WG-IMAF-11

   Meeting Report : WG-IMAF-11

4. Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.3a

   fishery The longline fishery for Dissostichus spp. in Division 58.4.3 began as a new fishery in 1996 ... and 26-01. 4. Three Members (France, Japan and South Africa) and a total of three vessels notified ... . Figure 1: General map of Division 58.4.3a (Elan Bank). This division consists of a single SSRU. B ... ED 58.5.2 58.5.1 B A B C C E D C 58.4.3b 58.4.3a 58.4.2 A TOT 58.4.3a 2 1.1 ...

   Document : Site Section: Publications

5. Population, breeding, diet and conservation of Crozet shag Phalacrocorax [atriceps] melanogenis at Marion Island, 1994/95 to 2002/03

   25% of the mature population did not breed in 1997/98, coincident with a strong El Niño Southern ... birds breeding in any given season. The decreases coincided with a period of warming and reduced ... precipitation at Marion Island and with a decrease in the number of gentoo penguins Pygoscelis papua breeding ... , but a change in dominance among nototheniid prey suggests availability of prey to shags changed after ...

   Meeting Document : WG-EMM-03/17 : Auteur(s): R.J.M. Crawford, J. Cooper, B.M. Dyer, A.C. Wolfaardt, D. Tshingana, K. Spencer, S.L. Petersen, J.L. Nel, D.G. Keith, C.L. Holness, B. Hanise, M.D. Greyling and M. du Toit (South Africa)

6. Coastal weather drives foraging behaviour of chinstrap penguins, Pygoscelis antarctica

   context, our study capitalises on the occurrence of an unexpected El Niño event to characterise how ... ) supports huge predator populations as well as a growing commercial fishery.  To utilize information from ... indices of krill predators have been proposed as a proxy for krill abundance.  However, there are several ... environmental variability can drive changes in predator foraging behaviour. We demonstrate a clear link between ...

   Meeting Document : WG-EMM-18/P14 : Auteur(s): A.D. Lowther, P. Trathan, A. Tarroux, C. Lydersen and K.M. Kovacs

7. Using predators and their prey to characterise the status of the marine ecosystem at South Georgia

   patchiness is probably a more important determinant of foraging success than density per se; (iv) previously ... krill densities. We suggest that a programme of work is needed to better characterise predator ...

   Meeting Document : WG-EMM-16/28 : Auteur(s): P. Trathan, S. Fielding, S. Hill, M. Belchier and J. Forcada

8. e-sc-xxxvii-a9.pdf

   ... ......................................................................................... 397 Appendix A: List of Participants ... welcomed participants to Hobart (Appendix A). He encouraged all participants to engage in discussion in ... prepared by M. Belchier (UK), C. Darby (UK), K. Demianenko (Ukraine), M. Doyle (Secretariat), A. Dunn (New ... , while the trend in IUU vessel sightings in the Convention Area (Figure 1) is a very welcome indication application/pdf attached to:WG-FSA-18

   Meeting Report : WG-FSA-18

9. Spatial distribution of management measures, Antarctic krill catch and Southern Ocean bioregions: implications for conservation planning

   management measures, which was delivered through a Geographic Information System (GIS). During the 2010/11 ... , using a transparent process to select areas that meet clear conservation goals (Ardron et al., 2010 ... et al. 2 2010), the core elements of which are summarised here in the context of a fished marine ... standardised within a geo- graphic information system (GIS) and combined with the Grant et al. (2006) pelagic ... (Grant et al., 2006) was endorsed by the Sci- entific Committee in 2007 as providing a basis for ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 1–19 : Auteur(s): Grant, S.M., S.L. Hill and P.T. Fretwell

10. Temporal variability in Antarctic marine ecosystems: periodic fluctuations in the phocid seals

    observations are confirmed, they point to large-scale oceanographic variation, possibly related to the El Niño ... behavior when demodulated at a period of 5 yr. The Weddell seals were generally in phase with the SOI since ... thereafter the SOI series led the leopard seal series by about one quarter of a cycle. The crabeater series ...

    Meeting Document : WG-CEMP-91/13 : Auteur(s): J.W. Testa, G. Oehlert, D.G. Ainley, J.L. Bengtson, D.B. Siniff, R.M. Laws and D. Rounsevell (USA)

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