Résultats de la recherche

1. Spatial pattern of major by-catch fishes at Subarea 48.6 during 2012/13–2016/17

   , C2 and scientific observer data, was provided by the CCAMLR Secretariat on the 3th August, 2018. In ... scientific observers have ceased recording number and weight of by-catch fish with some lines.  ANT (Antimora ...

   Meeting Document : WG-FSA-18/70 : Auteur(s): Delegations of Japan and South Africa

2. An alternative method for estimating the level of illegal fishing using simulated scaling methods on detected effort

   rate increases. This research suggests that it would be possible to calculate a precautionary ... this new method are similar to those of the Agnew and Kirkwood (2005) method, and this suggests that ... the current method is adequate under circumstances of low evasion and when good knowledge exists that ... the current method suffer from the fact that the observation method used directly affects the system ...

   Meeting Document : WG-FSA-05/P7 : Auteur(s): Ball, I.

3. Temporal scales of foraging in a marine predator: implications for interpreting the distribution of prey

   must be able to adapt quickly to changes in the spatial patterning of prey. Antarctic fur seals feed ... primarily on krill, which is patchily distributed. When combined with information about swimming speed on ... showed that fur seals foraged at two spatial distributions: (1) a fine-scale (median distance 0.18- 0.27 ... travel durations between bouts of feeding changed between years. These changes suggested either that the ...

   Meeting Document : WG-EMM-95/23 : Auteur(s): Boyd, I.L.

4. Efficiency and cost-effectiveness

   7.2.1.1 Although current resources may be sufficient to cope with CCAMLR’s core operations, major new ... that CCAMLR’s capacity to address new initiatives may well be constrained. SCAF/ Commission (2008 ... be limited. To offset this, it is recommended that CCAMLR should investigate the means to ensure a ... Committees should be forwarded to Plenary for endorsement on the understanding that such reports and their ...

   Page : Site Section: The Organisation

5. Antarctic icefishes (Channichthyidae) – a unique family of fishes – a review

   Abstract:  Icefish are a family of species unique among vertebrates in that they possess no ... haemoglobin. With the exception of one species, icefish live only in the cold – stable and oxygen – rich ... may not be older than 6 MA, i.e. they evolved well after the Southern Ocean started to cool down or ... fish. Some icefish species are abundant enough to be exploited by commercial fisheries, primarily in ...

   Meeting Document : WG-FSA-04/10 : Auteur(s): K.-H. Kock (Germany)

6. Demography and population trends of the Atlantic yellow-nosed albatross

   Gough Island and 5.5% on Tristan da Cunha. Comparison with congeners suggests that the observed and ... only 84 ± 2%. Annual survival of Tristan birds was negatively correlated with longline fishing effort ... predicted decreases are most likely to be caused by low adult and immature survival. The conservation status ... of Atlantic Yellow-nosed Albatrosses should be changed from Near Threatened to Endangered. Author(s ...

   Meeting Document : WG-FSA-03/37 : Auteur(s): R. Cuthbert (United Kingdom), P.G. Ryan, J. Cooper (South Africa) and G. Hilton (United Kingdom)

7. A hierarchical classification of benthic biodiversity and assessment of protected areas in the Southern Ocean

   conservation goals, additional MPAs will be needed. To assist with this process, we identified 119 locations ... with spatially restricted environmental types, which should be considered for inclusion in future MPAs ... surrogates of different assemblages of biodiversity to assess the representativeness of MPAs. We found that ...

   Meeting Document : WS-MPA-11/23 : Auteur(s): L.L. Douglass, J. Turner, H.S. Grantham, S. Kaiser, R. Nicoll, A. Post, A. Brandt and D. Beaver (WWF–ASOC)

8. Revised stock assessment of the Patagonian toothfish, Dissostichus eleginoides, in research block C of Division 58.4.4 (Ob & Lena Banks) using CASAL

   should be considered. The model has not been updated with 2014 data but six new sensitive runs have been ... , Shinsei maru No. 3, has conducted research fishing in accordance with a research plan submitted under CM ... and the other by Japan. The Working Group recommended that further development of the assessment ... posterior trace. The results seem to be not yet reliable and model not yet robust to use it as a management ...

   Meeting Document : WG-FSA-14/06 : Auteur(s): A. Rélot-Stirnemann (France)

9. Spatial and temporal distribution patterns of acoustic backscatter in the New Zealand sector of the Southern Ocean

   could be related to MTLO abundance, trawl samples collected in 3 research voyages suggest that it may ... bulk backscatter must be interpreted with caution. Vertical distribution of backscatter showed clear ... , mesopelagic and deep mesopelagic), with seasonal differences in concentration and behaviour. Deep mesopelagic ...

   Meeting Document : WG-EMM-18/P06 : Auteur(s): P.C. Escobar-Flores, R.L. O’Driscoll and J.C. Montgomery

10. How trophic dynamics of adult Antarctic krill Euphausia superba responses to the condition of no ice in the water during the winter: a case study at South Georgia?

    diet of adult krill with size and month during the winter season (June to September 2016) at the South ... Georgia. Stable isotope signatures indicated that there were no significant differences in δ 13 C and δ 15 ... N values between sexes of krill. Nitrogen isotope signatures suggested increasing carnivory with ... results provide insight for the diet of adult krill in the food-limited season and should be useful in ...

    Meeting Document : WG-EMM-2019/P04 : Auteur(s): G.P. Zhu, H.T. Zhang, B. Deng and Q.Y. Yang

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