Résultats de la recherche

1. Progress report for the third year of the research fishery for Dissostichus spp. in Subarea 48.6 being jointly undertaken by Japan and South Africa: 2013–2015.

   . mawsoni, respectively were recaptured. It is encouraging that 10 tagged D. mawsoni have been recaptured in ... . Author(s):  R.W. Leslie (South Africa), K. Taki, T. Ichii (Japan) and S. Somhlaba (South Africa) Title ...

   Meeting Document : WG-SAM-15/50 : Auteur(s): R.W. Leslie (South Africa), K. Taki, T. Ichii (Japan) and S. Somhlaba (South Africa)

2. Revised research plan for the exploratory fisheries for Dissostichus spp. in Subarea 48.6 in 2014/15

   reference area sizes. The stock size estimate using the Petersen estimator was similar to that using the ... ) were relatively consistent with the observed numbers for D. mawsoni in the block 486_2 for 2012/13 and ... limit, we propose to continue the current research operation for at least 3 years with the same sample ... procedure recommended at the last WG-FSA meeting. The results of calculations were generally consistent with ...

   Meeting Document : WG-FSA-14/17 : Auteur(s): Delegation of Japan

3. Disentangling the influence of three major threats on the demography of an albatross community

   % of the variability in survival, with higher survival rates following La Niña events. Habitat ... negative relationships with survival, and explained 21.2% and 22.3-31.6% of the variability. Author(s ... melanophris, grey-headed T. chrystostoma, light-mantled Phoebetria palpebrata and wandering Diomedea exulans ...

   Meeting Document : WG-FSA-2019/34 : Auteur(s): J.B. Cleeland, D. Pardo, B. Raymond, G.N. Tuck, C.R. McMahon, R.A. Phillips, R. Alderman, M.-A. Lea and M.A. Hindell

4. The Role of Fish as Predators of Krill (Euphausia superba) and Other Pelagic Resources in the Southern Ocean

   quantitative winter food studies. However, it is evident from this review that the importance of krill in fish ... diets varies with time and location, and with the suite of prey types available in different regions in ... abundance and community structure of fishes brought about by industrial fishing needs to be considered ...

   Meeting Document : CCAMLR-IWC-WS-08/09 : Auteur(s): Collins, M.A., Williams, R., Agnew, D.J., Kock, K.-H., Belchier, M., Shust, K.V., Welsford, D., Hanchet, S., Pshenichnov, L., Barrera-Oro, E.

5. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2011/12

   fishing together with the catch of Dissostichus spp. and bycatch species by year for the period 1997–98 to ... and Subarea 88.2 fisheries have fluctuated over the past 10 years with no overall upward or downward ... last 2–3 years. This appears to be at least partly a result of vessels carrying out more fishing in ... strong year classes. We conclude that there is no evidence for substantial changes in population ...

   Meeting Document : WG-FSA-12/42 : Auteur(s): M.L. Stevenson ,S.M. Hanchet, S. Mormede and A. Dunn (New Zealand)

6. A balanced model of the food web of the Ross Sea, Antarctica

   which means that the model has greater taxonomic resolution towards the top of the food web than the ... fractions and other transfers of biomass between groups were adjusted simultaneously. It was found that ... levels are in close agreement with those derived from isotope and other ecosystems. In the balanced model ... hypothesis that depletion of Antarctic toothfish by fishing would change the diet of predators of toothfish ... (unfished) biomass, so that changes from the unfished state may be relatively small as yet. The modelling ... literature tend not to be self consistent so that expert opinion and/or numerical techniques are used to ... assumption that all parts of the ecosystem will be in balance in an average year. These balance equa- tions ... parameters in the model to be revised. Nevertheless, the authors feel that the parameters obtained here ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 1–31 : Auteur(s): Pinkerton, M.H., J.M. Bradford-Grieve and S.M. Hanchet

7. Report on a random stratified trawl survey to estimate distribution and abundance of Dissostichus eleginoides and Champsocephalus gunnari conducted in the Heard Island region (Division 58.5.2), May–June 2006

   overall, with Channichthys rhinoceratus, Champsocephalus gunnari and Macruronus whitsoni also locally ... . Nowara, R. Williams and T. Lamb (Australia) Title:  Report on a random stratified trawl survey to ...

   Meeting Document : WG-FSA-06/42 Rev. 1 : Auteur(s): G.B. Nowara, R. Williams and T. Lamb (Australia)

8. Preliminary assessment of long-term yield of Patagonian toothfish (Dissostichus eleginoides) for the Heard Island region (CCAMLR Division 58.5.2) based on a random stratified trawl survey in June 2005

   the range of natural mortality from 0.13-0.2 to 0.13 – 0.165, consistent with slower growth rates of ... fish. Author(s):  A.J. Constable, T. Lamb and R. Williams (Australia) Title:  Preliminary assessment of ...

   Meeting Document : WG-FSA-05/30 : Auteur(s): A.J. Constable, T. Lamb and R. Williams (Australia)

9. Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2018 – Reflection on the recommendations by WG-EMM-17 and SC-CAMLR-XXXVI

   questions raised at WG-EMM-17 and SC-CAMLR-XXXVI with respect to the WSMPA proposal (SC-CAMLR-XXXVI, Annex 6 ... . Pehlke and T. Brey Title:  Scientific background document in support of the development of a CCAMLR MPA ...

   Meeting Document : WS-SM-18/13 : Auteur(s): K. Teschke, H. Pehlke and T. Brey

10. COLLAPSE OF SOUTH AFRICA’S PENGUINS IN THE EARLY 21ST CENTURY

    from about 56 000 pairs in 2001 to some 21 000 pairs in 2009, a loss of 35 000 pairs (>60%) in eight ... purse-seine fisheries. In Algoa Bay, numbers of African penguins halved from 21 000 pairs in 2001 to 10 ... 000 pairs in 2003. In the Western Cape, numbers decreased from a mean of 35 000 pairs in 2001–2005 to ...

    Meeting Document : WG-EMM-11/P8 : Auteur(s): R.J.M. Crawford, R. Altwegg, B.J. Barham, P.J. Barham, J.M. Durant, B.M. Dyer, D. Geldenhuys, A.B. Makhado, L. Pichegru, P.G. Ryan, L.G. Underhill, L. Upfold, J. Visagie, L.J. Waller and P.A. Whittington

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