Résultats de la recherche

1. By-catch of juvenile Champsocephalus gunnari in krill fishery on the shelf of South Georgia Island

   abundant species around South Georgia Is. Results of these survey were summarised and compared with ... published data. Juveniles of Champsocephalus gunnari were found to be distributed from the surface to 500 m ... depth with a maximum density observed at depth between 100 and 200 m. High catches of C. gunnari ... . Estimated mortality of C. gunnari juveniles is relatively small and was estimated that 0.3 to 0.5% of fish ...

   Meeting Document : WG-FSA-92/06 : Auteur(s): G.A. Frolkina, V.I. Latogursky, V.A. Sushin (Russian Federation)

2. WG-EMM-11

   CONSISTENT WITH THE CATCH TRIGGER LEVEL FOR THE ANTARCTIC KRILL FISHERY IN AREA 48 T. Peatman, J. Moir Clark ... IN SUBAREAS 48.1 TO 48.3 S.L. Hill and J. Silk (UK) WG-EMM-11/19 PROGRESS WITH UPDATING OF THE ... KRILL AND APEX PREDATORS WITH THE COMMERCIAL FISHING VESSEL SAGA SEA IN THE SOUTH ORKNEY ISLANDS AREA ... VARIABLES THAT INFLUENCE THE CATCH PER UNIT EFFORT: THE CASE OF THE ANTARCTIC KRILL FISHERY J.C. Quiroz, R ...

   Meeting

3. Preliminary model of krill fishery behaviour in Subarea 48.1

   restricted to the four months December to March, compares favourably with the historical distribution of ... Elephant Islands. The model predicts that the management option of closing the zones around Livingston and ... Elephant Islands in alternate years would result in an average yearly catch similar to that at present ... . However, in this scenario, the catch would be more concentrated in foraging areas of land-based predators ... concern that the krill fishery may compete for the krill resource with land-breeding predators (e.g ... CCAMLR might decide that it would be prudent to impose some precautionary measures to restrict the ... ) to be spent in the fine-scale square with mid-longitude X and mid-latitude y, p, , = preference ... in Subarea 48.1 fairly well, and in general produces results that would be expected intuitively ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 71–79 : Auteur(s): Agnew, D.J. and V.H. Marín

4. Developing a carbon-budget trophic model of the Ross Sea, Antarctica: work in progress

   variables that are consistent with our current understanding of the constraints on ecosystem functioning ... we have sought out field measurements that have not been published, or estimated values using ... explicit assumptions. The model is not complete, and should be considered a work in progress. A trial ... first run of the model was carried out, and the initial set of parameters was not found to be self ...

   Meeting Document : WG-EMM-05/18 : Auteur(s): M. Pinkerton, S. Hanchet, J. Bradford-Grieve and P. Wilson (New Zealand)

5. Revised biological parameters for the Antarctic skates Amblyraja georgiana and Bathyraja cf. eatonii from theRoss Sea

   unreliable, as indicated by comparison with lab staging, and the presence of very large skates scored as ... different estimates of median length at maturity. The lab estimates were based on small datasets that did ... , but observer data suggested that females matured at a larger size than males, whereas lab data ... suggested the reverse. The differences between sexes may therefore be spurious, and an artifact of ...

   Meeting Document : WG-FSA-10/27 : Auteur(s): M.P. Francis (New Zealand)

6. Selectivity of standard Polish commercial trawl codends on Antarctic fishing grounds

   for codend construction. The most difficult matter will be preparing a codend with proper selectivity ... commercial fishery, with a nominal mesh size A = 80 mm and A = 100 mm, made of double twines with a thickness ... of 4.2 mm. The studies covered 6 major fish species. It appears from the study that Antarctic icefish ... sufficiently good level seems possible as a result of the application of webbing with permanently open meshes ... collecting fish less soiled with benthos. It should be emphasized that no attention has been paid in ... hauls it could be assumed that fish in the codend will have the opportunity of direct contact with the ... construction. 4. The most difficult matter will be preparing a codend with proper selectivity properties for ... Antarctic, it was decided that selectivity studies begun in the 1978/79 season would be continued mostly on ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 107-142 : Auteur(s): Zaucha, J.

7. Plan of research program of the Russian Federation in Subarea 48.5

   subareas, where stock assessment should be carried out. In spite of hard ice conditions at most part of the ... could be found in geographical location, bathymetric profile, currents system and follows from results ... reliable stock assessment and following estimation of precautionary limits in accordance with CCAMLR ... -year research program in the Weddell Sea that is prospected for 3-5 years. Detailed plan of fishing ...

   Meeting Document : WG-FSA-16/15 Rev. 1 : Auteur(s): Delegation of the Russian Federation

8. Fishery Report: Exploratory fishery for Dissostichus spp. (TOT) in Division 58.4.2

   permitted in 2001 and 2002 in association with a new fishery for Macrourus spp. In 2003, the fishery for ... ) scientific observers, one of whom shall be appointed in accordance with the CCAMLR Scheme of International ... ................................................................ 11  Throughout this report the CCAMLR fishing season is represented by the year in which that ... with a new fishery for Chaenodraco wilsoni, Lepidonotothen kempi, Trematomus eulepidotus and ...

   Document : Site Section: Publications

9. Updated status of Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in inshore sites of the South Shetland Islands: results of a long-term monitoring program (1983–2016) at Potter Cove

   abundance of N. coriiceps. Results were also consistent with trends in seabirds that feed on juveniles of ... prohibited since 1991; results indicate that it cannot be reinstated. Author(s):  E. Barrera-Oro, E ... consistent with those achieved from the most recent offshore bottom trawl research cruises in 2007 and 2012 ...

   Meeting Document : WG-FSA-16/02 : Auteur(s): E. Barrera-Oro, E. Marschoff and D. Ainley

10. Factors affecting the number and mortality of seabirds attending trawlers and longliners in the Kerguelen area

    attending long-liners and known to be potential by-catch, it appears that some species appear to be more ... stressed that night setting is the most efficient method way to reduce mortality and should be enforced ... offal increased the numbers of birds attending the vessel, especially when offals can be handled easily ... susceptible of being caught than others. White-chinned and grey-headed albatrosses appear to be caught in much ...

    Meeting Document : WG-FSA-99/26 : Auteur(s): H. Weimerskirch, D. Capdeville and G. Duhamel (France)

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