Résultats de la recherche

1. An updated assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity and extension taking commercial catch-at-length data into account

   Brandão et al. (2001) is updated to take account of further catch and effort data that have become ... are at variance with the observed length frequency distributions for the fishery. It is important that ... previously, but a spawning biomass nevertheless still estimated to be heavily depleted and at a level of only ... the assessment model be refined to provide a consistent explanation of all the available data, as this ...

   Meeting Document : WG-FSA-02/76 : Auteur(s): A. Brandão, D.S. Butterworth, B.P. Watkins and L. Staverees (South Africa)

2. Relationships between oceanographic environment and distribution of krill and baleen whales in the Ross Sea and adjacent waters, Antarctica in 2004/05

   distribution patterns that could be approximately segregated patterns with MTEM-200. Humpback whales mainly ... ecosystem in the Ross Sea and its adjacent waters with a joint survey the R/V Kaiyo Maru and the Japanese ... zooplankton and fishes as well as baleen whales with an oceanographic environment index (namely MTEM-200 which ... distributed in the waters warmer than 0℃, which agreed with the Antarctic Circumpolar Current (ACC) zone, with ...

   Meeting Document : WG-EMM-08/31 : Auteur(s): M. Naganobu, S. Nishiwaki, H. Yasuma, R. Matsukura, Y. Takao, K. Taki, T. Hayashi, Y. Watanabe, T. Yabuki, Y. Yoda, Y. Noiri, M. Kuga, K. Yoshikawa, N. Kokubun, H. Murase, K. Matsuoka, T. Iwami and K. Ito (Japan)

3. CCAMLR-IWC WORKSHOP TO REVIEW INPUT DATA FOR ANTARCTIC MARINE ECOSYSTEM MODELS: UPDATE ON PROGRESS 2008

   ” will be held at the CCAMLR Headquarters in Hobart Australia on 11-15 August 2008. This paper provides ... experts have been invited to attend with funding limited to one expert from each group, some experts that ... parts and in total. It is apparent that such a volume could have appeal as book that could be ... the latter, it suggests that the workshop report be divided into a number of general categories on the ...

   Meeting Document : WG-EMM-08/15 : Auteur(s): A. Constable and N. Gales (Co-conveners)

4. Mortalidad incidental de aves en la pesquería de cherna con palangre semipelágico

   Abstract:  Between August and November 2001, two fishing vessels carried out exploratory and ... experimental surveys with semipelagic and different configurations of long line directed to the capture of ... order to include Seabirds information along with their common tasks. Seabirds mortality associated with ... with floats attached to the main line, and under daylight setting. Some species presence was consistent ...

   Meeting Document : WG-FSA-04/38 : Auteur(s): Y.H. Marín, A. Stagi and J. Chocca (Uruguay)

5. An updated descriptive analysis of the Antarctic toothfish (Dissostichus mawsoni) tagging scheme in the Ross Sea for the years 1997/98 to 2004/05

   toothfish that have been at liberty for 2–3 years have averaged 5–7 cm per year, which is consistent with ... Subareas 88.1 and 88.2 since 2001 is presented. Tag-release and tag-recapture data are presented for both ... , recapture rates have tended to be higher in the northern and eastern SSRUs 88.1C and 88.2E. The maximum ... 2001, but is still smaller than the mean size of fish taken in the commercial catch. Larger toothfish ...

   Meeting Document : WG-FSA-05/34 : Auteur(s): A. Dunn, S.M. Hanchet and K. Maxwell (New Zealand)

6. Krill population dynamics at South Georgia: implications for ecosystem-based fisheries management

   Abstract:  The South Georgia region supports a large biomass of krill that is subject to high ... means that understanding the mechanism underlying these observed population characteristics is essential ... from surveys conducted in the early, middle and late period of the summers of 2001 to 2005, together ... with krill population size structure over the same period from predator diet data, were used with a ...

   Meeting Document : WG-EMM-10/P08 : Auteur(s): K. Reid, J.L. Watkins, E.J. Murphy, P.N. Trathan, S. Fielding and P. Enderlein

7. Preliminary assessment of the South Georgia ray populations

   previously described. The assessment indicated that the data were informative with respect to carrying ... with higher and lower values. The assessment suggests that the level of mortality currently experienced ... from a variety of sources, and included the consideration that since 2004 the practice of cutting rays ... deeper than 800m, and we have assumed that the majority of catches were of the Amblyraja variant species ...

   Meeting Document : WG-SAM-07/11 : Auteur(s): D.J. Agnew, R. Mitchell, T. Carruthers, J. Roberts, R. Hillary and J. Pearce (United Kingdom)

8. First Annual Report of the CCAMLR Otolith Network, 2002

   agreement in age estimations between all three readers, with no evidence of biases >2 years that would ... estimated. Instead, there appears from these data to be a broad consensus on the otolith micro-features that ... , from 23 to 27 July 2001. The National Institute of Water and Atmospheric Research, Nelson, New Zealand ... indicate major differences in the criteria used by the readers. Similarly, there was little evidence that ...

   Meeting Document : WG-FSA-02/51

9. A bioenergetics model assessment of the prey consumption of Adélie penguins in Subarea 48.1 and 48.2

   Island, South Orkneys. We show that the highest levels of consumption occur during the crèche and pre ... -moult period, consistent with similar studies of Adélie penguins breeding in East Antarctica. On the ... basis of variable breeding success and the proportion of krill and fish in their diet, we estimate that ... similar methodology to assess the consumption by macaroni penguins in Subarea 48.3. We report that further ...

   Meeting Document : WG-EMM-17/32 : Auteur(s): C. M. Waluda, L. Emmerson, C. Southwell and P.N. Trathan

10. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2012–13

    of the Ross Sea fishery, with an increase in the proportion of males since 2001, but with little ... Abstract:  This report summarises the timing, depth, and location of fishing together with the ... with no trend. A standardised CPUE analysis in the Ross Sea fishery showed an increase to 2008 followed ... be indexing abundance. Length frequency distributions of Antarctic toothfish in the Ross Sea fishery ...

    Meeting Document : WG-FSA-13/48 : Auteur(s): S. Hanchet, S. Mormede and A. Dunn (New Zealand)

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