Résultats de la recherche

1. Stock assessment of D. eleginoides in Subarea 48.3 using dynamic production models

   in subarea 48.3. This type of the models differ from the models currently used by CCAMLR Working ... mortality, age selectivity, recruitment estimates, mean weight at age) In the calculations with DPM (with ... of intensive fishery was at the level of 22-24 thousand tons. In 1989-1990 stock size increased (to ... in recent years. The trends in biomass dynamic estimated by DPM are very similar with trends from ...

   Meeting Document : WG-FSA-02/78 : Auteur(s): P.S. Gasiukov and R.S. Dorovskich (Russia)

2. Age, growth and size at sexual maturity of Macrourus carinatus from the CCAMLR fisheries in division 58.5.2

   samples collected during two research voyages to Heard and McDonald Islands (Division 58.5.2) in 1992 and ... for both sexes combined, resulting in values of: L8 = 635 mm, K = 0.088 and t0 =-1.8. The size at ... operations in the Heard Island region in 2000. The size at which 50% of the fish population is mature, L50 ... evident in the length-weight relationship from the two regions. Otolith and body size relationships were ...

   Meeting Document : WG-FSA-02/48 : Auteur(s): E.M. van Wijk, R. Williams and A.J. Constable (Australia)

3. Detection of anti-brucella antibodies in pinnipeds from the Antarctic Territory

   Abstract:  This paper describes the first detection of Brucella sp. antibodies in seals from the ... in six of the seventeen samples involving the two animal species. It is concluded that a Brucella sp ... . described as affecting marine mammals in the Northern hemisphere could be also present in the Antarctic ... -brucella antibodies in pinnipeds from the Antarctic Territory Approval:  Approved ...

   Meeting Document : WG-EMM-01/46 : Auteur(s): P. Retamal, O. Blank, P. Abalos and D. Torres (Chile)

4. Exploitation of mesoscale oceanographic features by grey-headed albatross Thalassarche chrysostoma in the southern Indian Ocean

   association with mesoscale oceanographic features, as identified by sea surface height anomalies, in the ... anomalies created by the Agulhas Return Current in the Subtropical Convergence and the Subantarctic zones ... . In contrast, during chick-rearing all tracked birds foraged to the southwest of the island, at the ... edges of anomalies along the South-West Indian Ridge. Previous work in this area has shown that these ...

   Meeting Document : WG-FSA-01/12 : Auteur(s): D.C. Nel, J.R.E. Lutjeharms, E.A. Pakhomov, I.J. Ansorge, P.G. Ryan and N.T.W. Klages (South Africa)

5. First record of anti-Brucella antibodies in Arctocephalus gazella and Leptonychotes weddellii from Cape Shirreff, Livingston Island, Antarctica

   Abstract:  This paper describes the first detection of Brucella sp. antibodies in pinnipeds from ... sp. were detected with the RBT, the CFT and the c-ELISA in six of the seventeen samples involving the ... two animal species. It is concluded that a Brucella sp. described as affecting marine mammals in the ... Northern hemisphere could be also present in the Antarctic territory. Author(s):  Delegation of Chile Title ...

   Meeting Document : SC-CAMLR-XVIII/BG/17 : Auteur(s): Delegation of Chile

6. Supplement to the krill synoptic survey design in Area 48 (with participation of a Russian scientific research vessel)

   integral part of Area 48 is discussed. It is shown that in this case there shall be obtained for the first ... ° W. It is emphasized that in this way there shall be obtained the data that are important both to ... acquire knowledge in appropriateness of krill horizontal distribution over the whole Area 48, and to ... -date survey design, taking into account the operation by Russian R/V ATLANTIDA in Subarea 48.4, as ...

   Meeting Document : WG-EMM-99/43 : Auteur(s): V.A. Sushin, S.M. Kasatkina and F.F. Litvinov (Russia)

7. The influence of environmental variables and mitigation measures on seabird catch rates in the Japanese tuna longline fishery within the Australian Fishing Zone, 1991–1995

   environmental variables and mitigation measures upon catch rates of seabirds in the Japanese pelagic longline ... fishery. In the Australian Fishing Zone (AFZ) seabirds were most likely to be caught on longlines that ... were set during summer, in southern areas of the zone, and during daylight hours. However ... , interpretation of changes in catch rates resulting from the use of mitigation measures or from weather effects ...

   Meeting Document : WG-FSA-98/32 : Auteur(s): N. Brothers, R. Gales and T. Reid (Australia)

8. Preliminary review of Antarctic toothfish maturity in the Ross Sea

   toothfish Dissostichus mawsoni caught by Russian longliners in the Ross Ross Sea of the Pacific sector in ... was established that in the period of fishing, females and males with gonads at maturity stage III ... in the Ross Sea the termination of gonad maturity of toothfish takes place from March to April, and ... condition, and diameter of their large oocytes was 1075- 2331•10-6m in different years. Author(s):  S.V ...

   Meeting Document : WG-FSA-11/27 : Auteur(s): S.V. Piyanova and A.F. Petrov (Russia)

9. MULTIPLE INDICATORS SUGGEST A STRONG ECOSYSTEM ANOMALY AT SOUTH GEORGIA IN 2009

   local oceanographic and atmospheric conditions. Much of the observed variability in various fitness ... revealed a strong anomaly in early 2009. Above average sea temperatures, without any evidence of increased ... warm water inflow were followed by reduced icefish catches, a paucity of krill in icefish and penguin ... diets and low krill biomass in the regularly surveyed “Western Core Box”. Consequently many of the ...

   Meeting Document : WG-EMM-09/23 : Auteur(s): S. Hill, M. Belchier, M. Collins, S. Fielding, E. Murphy, P. Trathan, H. Venables and C. Waluda (United Kingdom)

10. QUANTIFYING MOVEMENT BEHAVIOUR OF VESSELS IN THE ANTARCTIC KRILL FISHERY

    behaviour of the krill fishery. Analysis of distance between hauls in relation to their catch level revealed ... longer distances moved between hauls in Area 48.1 compared to 48.2 and 48.3 reflecting the large number ... model suggested in late 1980s are proposed based on the results from this study. These analyses ... demonstrate the need for high quality year-round data on all vessels participating in the krill fishery to ...

    Meeting Document : WG-EMM-09/P05 : Auteur(s): S. Kawaguchi and S.G. Candy

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