Résultats de la recherche

1. Expert Workshop on Pelagic Spatial Planning for the eastern subantarctic region (Domains 4, 5 and 6)

   (Domains 4, 5 and 6)” was held in Cape Town (South Africa) between 26th and 30th August 2019. The workshop ... developed a scientific work program that will result in both pelagic abiotic and biotic classifications of ... plankton, mesopelagic fish and top predators were considered to be relevant to future ecoregionalization ... may be influenced by climate change and will influence the spatial distribution of pelagic assemblages ...

   Meeting Document : SC-CAMLR-38/BG/29 : Auteur(s): A.B. Makhado, A. Lowther, P. Koubbi, I. Ansorge, C. Brooks, C. Cotté, R. Crawford, S. Dlulisa, F. d’Ovidio, S. Fawcet, D. Freeman, S. Grant, J. Huggett, M. Hindell, P.A. Hulley, S. Kirkman, T. Lamont, M. Lombard, M.J. Masothla, M.-A. Lea, W.C. Oosthuizen, F. Orgeret, R. Reisinger, T. Samaai, S. Sergi, K. Swadling, S. Somhlaba, A. Van de Putte, C. Von de Meden and D. Yemane

2. Preliminary assessment of Champsocephalus gunnari on the Heard Island Plateau (Division 58.5.2) based on a survey in May 2002

   2001 probably because the population was more uniformly spread in the southeast with relatively high ... year olds then the yield would be 1815 tonnes. It is also proposed that the minimum size of capture be ... densities in that stratum. The composition of the population was observed to comprise a single large cohort ... current estimates of length at age parameters would be for most of the fish to be three year olds. However ...

   Meeting Document : WG-FSA-02/47 : Auteur(s): A.J. Constable, R. Williams and T. Lamb (Australia)

3. The toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2002/03: New Zealand vessel summary

   great as the catch from 2001. Patagonian toothfish dominated the catches from 60 to 62° 30' S but ... part of the 2002–03 CCAMLR split fishing year), and to compare these results with previous years. Note ... presence of the huge C2 iceberg severely altered the fisher's behaviour in 2003. The vessels were ... . The catch of D. mawsoni was about 1070 t, and contributed 89% of the total catch in 2003. They were ...

   Meeting Document : WG-FSA-03/44 : Auteur(s): M.L. Stevenson, S.M. Hanchet and P.L. Horn (New Zealand)

4. FLAG STATUS OF SOME VESSELS ON THE NCP-IUU VESSEL LIST

   of the vessel verbally advised that the vessel was operated by 'Americaga Laica' of Lome ... report that Togo had instigated proceedings to deregister the Togolese-flagged fishing vessels Bigaro ... 2010. All Members were informed via Comm Circ 10/63 and CCAMLR's IUU Vessel List was amended on 24 ... June 2010. 3. Since that time, however, a number of reports have been received regarding the activities ...

   Meeting Document : SCIC-10/04 : Auteur(s): Secretariat

5. Results from the random stratified trawl surveys to estimate distribution and abundance of Dissostichus eleginoides and Champsocephalus gunnari in the Heard Island region (Division 58.5.2) for 2010 and 2011

   2001 to 2011 found no significant trends in abundance. Author(s):  G.B. Nowara, S.G. Candy and T. Lamb ... 2011 on the RV Southern Champion, adding to the time series of annual surveys in Division 58.5.2 that ... the average catch for the previous four years (2006-2009).  Catches of C. gunnari were very low, with ... the average. Macrourid catches have been stable over recent years, with a fall in 2011. Skate catches ...

   Meeting Document : WG-FSA-11/23 : Auteur(s): G.B. Nowara, S.G. Candy and T. Lamb (Australia)

6. Predation release of Antarctic silverfish in the Ross Sea: how sensitive is the conclusion to uncertainties in the diet of Antarctic toothfish over the shelf?

   Abstract:  Between 2001 and 2013 the number of breeding pairs of Adélie penguins (Pygoscelis ... half a million. It has been suggested that predation release of Antarctic silverfish (Pleuragramma ... toothfish stomachs showed that toothfish consume only a small proportion of silverfish (1.9–5.6%W i.e. by ... predation by fishing (643 tWW/y) was equivalent to 2.4% of the amount of silverfish estimated to be consumed ...

   Meeting Document : WG-FSA-15/41 : Auteur(s): M.H. Pinkerton, P. O’B. Lyver, D.W. Stevens, J. Forman, R. Eisert and S. Mormede (New Zealand)

7. Relationship between Antarctic krill (Euphausia superba) variability and westerly fluctuations and ozone depletion in the Antarctic Peninsula area

   of r = 0.76 with a level of significance of 1 %). We suspect that ozone depletion impacts directly ... density with hypothesized environmental factors, including strength of westerly winds (westerlies ... and the strength of westerlies during 1982–1998. Years with strong westerlies during the austral ... /1997. The strength of westerlies was significantly related to recruitment of 1-year-old krill (1&#039 ...

   Meeting Document : WG-EMM-99/52 : Auteur(s): M. Naganobu, K. Kutsuwada, Y. Sasai and T. Taguchi (Japan) and V. Siegel (Germany)

8. Preliminary assessment of Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on a survey in May 2002

   results for 2001. The pooled length-density distribution for the 2002 survey shows that the younger year ... classes (ages 2 and 3) are likely to be much weaker than the current juvenile year classes (ages 4 to 8 ... ) in the survey area. The analysis also shows that larger fish seem to have left the survey area. The ... is expected to be undertaken at the Working Group on Fish Stock Assessment, including projections for ...

   Meeting Document : WG-FSA-02/70 : Auteur(s): A.J. Constable, R. Williams and T. Lamb (Australia)

9. Analysis of the diet of Champsocephalus gunnari in Subarea 48.3, in late summer of years 1994–97, Dr E. Holmberg surveys

   with/without food in the area of investigation didn't show a consistent pattern from year to year ... length of C. gunnari didn't show a selectivity pattern for any of the prey items. The availability ... , phenomenon for which non consistent explanation was found. The variation of the diet with respect to the ... of krill in the Statistical Subarea 48.3 in the period investigated can be defined as low in 1944 ...

   Meeting Document : WG-FSA-97/48 : Auteur(s): Barrera-Oro, E., Marschoff, E., Casaux, R.

10. Variability of krill biomass estimates in repeated mesoscale surveys in relation to CCAMLR-2000 Survey

    density reflect biomass variability, it may be suggested that value of the total krill biomass in the area ... 48 is quite stable during last seventeen years. It is to be noted however that due to difference in ... CCAMLR-2000. Krill biomass index calculated for the whole area of Soviet surveys doesn't reveal any ... ” (11.10.84-14.12.84 and 20.01.88-09.03.88). There were used similar gear (Isaak's Kidd Midwater Trawl ...

    Meeting Document : WG-EMM-01/28 : Auteur(s): V.A. Sushin, F.F. Litvinov (Russia) and V. Siegel (Germany)

Pages