Résultats de la recherche

1. Revision of the CCAMLR Scientific Observers Manual

   Abstract:  This document summarises the suggestions made by WG-EMM to address the requests made by ... the Scientific Committee in relation to Scientific Observer Manual. These are establishment and ... of krill fishery, and other minor revisions on the e-forms. This document also contains examples of ... the revisions made to the forms and is presented to the Working Group on Fish Stock Assessment for ...

   Meeting Document : WG-FSA-07/54 : Auteur(s): S. Kawaguchi (Australia) and E. Appleyard (CCAMLR Secretariat)

2. Developing conceptual models of elements of the Antarctic marine ecosystem: Antarctic krill (Euphausia superba)

   based on observations and data from the literature. The model attempts to take into account the observed ... as an evolved product of interactions between the species and its environment. In particular, the ... model focuses on the different forces that act on the larval and adult stages. Author(s):  S. Nicol and ... S. Kawaguchi (Australia) Title:  Developing conceptual models of elements of the Antarctic marine ...

   Meeting Document : WG-EMM-04/50 : Auteur(s): S. Nicol and S. Kawaguchi (Australia)

3. Diet of grey-headed albatrosses at the Diego Ramírez Islands, Chile: ecological implications

   Abstract:  The diet of grey-headed albatrosses at Diego Ramírez, Chile, was analyzed and compared ... to that of the sympatric black-browed albatross. Diet composition was inferred from an analysis of ... . The squid Martialia hyadesi predominated in the diet samples in 2001 and 2002 (89% and 81% of ... reconstituted mass), but was absent from the 2000 samples. Reconstituted mean mass per sample in 2000 was ...

   Meeting Document : WG-FSA-04/12 : Auteur(s): J. Arata (Chile), G. Robertson (Australia), J. Valencia (Chile), J.C. Xavier (UK) and C.A. Moreno (Chile)

4. Operational interactions between cetaceans and the Patagonian toothfish (Dissostichus eleginoides) industrial fishery off Southern Chile

   Abstract:  Operational interactions between marine mammals and the Patagonian toothfish ... 100%. Considering that in 153 (84%) of the effectively monitored sets no interaction whatsoever was ... recorded and that the mode and median of the predation rate was 0, the global impact of cetaceans over the ... =12) the rate of predation decreased to 0%. Upon detecting orca presence, sperm whales modified their ...

   Meeting Document : WG-FSA-03/95 : Auteur(s): R. Hucke-Gaete, C.A. Moreno and J.A. Arata (Chile)

5. Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)

   Abstract:  Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea (CCAMLR sub-area 88.1 ... ) have been aged assuming that one translucent zone is formed annually in the otoliths of this species ... . However, no evidence to validate this assumption has previously been presented. In the current work ... before recapture. The number of zones between the fluorescent oxytetracycline line and the otolith margin ...

   Meeting Document : WG-FSA-02/33 : Auteur(s): P.L. Horn, C.P. Sutton (New Zealand) and A.L. DeVries (USA)

6. Preliminary report on IWC-SO GLOBEC collaborative research in the western Antarctic Peninsula study area, March–June 2001

   Abstract:  The first three cruises in the 'year round' Southern Ocean GLOBEC series for ... on the vessels by the IWC. Passive acoustic moorings and expendable sonobuoys were deployed by the US ... passive acoustic team. The most frequently recorded and abundant baleen whale species in the study area ... correlation between autumn and early winter baleen whale distribution, the inshore cold Antarctic coastal ...

   Meeting Document : SC-CAMLR-XX/BG/29 : Auteur(s): Observer (IWC)

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

   Abstract:  The summer 1998 AMLR field season followed late-forming but spatially extensive winter ... sea ice in the Antarctic Peninsula region. Overall krill length/maturity composition reflected poor ... recruitment from the past two years. Unusually small juvenile krill in 1998 suggested that survival success ... during the 1993 "salp year". The magnitude of this salp bloom may have resulted from a large ...

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

8. USING GENETIC CONNECTIVITY TO IDENTIFY VULNERABLE MARINE ECOSYSTEMS (VMES) IN ANTARCTICA – THE ISSUE OF SCALE

   is valuable for understanding the potential resilience of benthic communities under threat from ... bottom fishing. Genetic connectivity allows insight into the realized dispersal of organisms, i.e. the ... likelihood of new recruits arriving from surrounding areas. Despite the wide distribution patterns shown by ... isolated island regions e.g. South Georgia, the South Orkneys, Bouvet Island. The exception to this was the ...

   Meeting Document : WS-VME-09/06 : Auteur(s): Wilson, N.G.

9. Acoustic visualization of the three-dimensional prey field of foraging chinstrap penguins

   Abstract:  Predator-prey interactions play an important role in determining the dynamics of ... ecosystems. Recently, concerns have arisen due to the commercial harvesting of Euphausia superba, the ... Antarctic krill, a keystone prey species in the Southern Ocean food web. It has been difficult to evaluate ... these concerns because of problems associated with determining the availability of krill to their ...

   Meeting Document : WG-Joint-94/12 : Auteur(s): J.E. Zamon, C.H. Greene, E. Meir, D.A. Demer, R.P. Hewitt and S. Sexton (USA)

10. The population of Mirounga leonina at stranger point (25 de Mayo – King George I.)

    Abstract:  This paper includes information on the trend of the elephant seal population at ... Stranger Point (25 de Mayo-King george I.) between 1980-87(excluding 1981). A decline in the population was ... observed in 1980-82 and 1987. The female component was mainly affected in 1 980-82 (r=-0.568) while the ... (ENSO) events upon the numerical changes in the studied population is postulated. Author(s):  Delegation ...

    Meeting Document : SC-CAMLR-VII/BG/33 : Auteur(s): Delegation of Argentina

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