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1. A summary of the commercial fishery for mackerel icefish Champsocephalus gunnari in Subarea 48.3 during the 1997/98 season

   0.21 tonnes. The vessel's fishing master had no experience of fishing for icefish and was not well ... Abstract:  During the 1 997198 season, one vessel, Chilean registered stern trawler Betanzos ... hauls. 67% of this catch was taken in just two hauls, confirming the patchy distribution of this species ... . Most of the catch was made up of fish between 22 and 30 cm long. Fish of this size range have ...

   Meeting Document : WG-FSA-98/53 : Auteur(s): G. Parkes, A. King and C. Jones (United Kingdom)

2. Detection of anti-brucella antibodies in Weddell seals (Leptonychotes weddellii) from Cape Shirreff, Antarctica

   de Medicina Preventiva Animal, Facultad de Ciencias Veterinarias y Pecuarias of the Universidad de ... Chile. The samples were tested by the conventional Rose Bengal test (RB) and two competitive enzymatic ... ’ S; 60º 27’ W), located on the Livingston Island (South Shetland Islands), Antarctica. Field work was ... the etiology and their infection epidemiology in this region of the world. Author(s):  O. Blank, P ...

   Meeting Document : WG-EMM-01/48 : Auteur(s): O. Blank, P. Retamal, P. Abalos and D. Torres (Chile)

3. Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)

   ) have been aged assuming that one translucent zone is formed annually in the otoliths of this species ... that the modes represented year classes and that one translucent zone is formed annually in otoliths of ... indicates that one translucent zone is formed annually in otoliths of post-mature D. mawsoni. Otoliths from ... . Zone counts were consistent within modes, and increased by one in each consecutive mode. This indicates ...

   Meeting Document : WG-FSA-02/33 : Auteur(s): P.L. Horn, C.P. Sutton (New Zealand) and A.L. DeVries (USA)

4. Review of identity and biology of species of the family Macrouridae, from the CCAMLR fishery in the Ross Sea, Antarctica

   geographic source of the aged sample. This confirms the preliminary age estimates from the ageing study ... their identity by NIWA researchers. Two species were found, Macrourus whitsoni and M. holotrachys. A ... previously aged sample from 1999 was confirmed as being M. whitsoni based on otolith comparisons and the ... males is 12 years and 46 cm TL, for females it was 14 years and 50 cm TL. Author(s):  P.M. Marriott and ...

   Meeting Document : WG-FSA-02/32 : Auteur(s): P.M. Marriott and P. McMillan (New Zealand)

5. Lead-radium dating provides a framework for coordinating age estimation of Patagonian toothfish (Dissostichus eleginoides) between fishing areas

   estimates range from approximately 20 to more than 50 years. In this study, lead-radium dating provided ... zones in transverse otolith sections, and longevity estimates exceeding 30 years. Lead-radium dating ... . 3.3 years was observed across estimated ages younger than 20 years. For the CAF, ages were ... fishing areas monitored by two facilities, Center for Quantitative Fisheries Ecology (CQFE) and the ...

   Meeting Document : WG-FSA-11/P01 : Auteur(s): A.H. Andrews, J.R. Ashford, C.M. Brooks, K. Krusic-Golub, G. Duhamel, M. Belchier, C.C. Lundstrom and G.M. Cailliet

6. Population subdivision and distribution of Euphausia superba in the region of the Antarctic Peninsula and adjacent waters in relation to fishery development

   also off the Mordvinov Island. Seasonal coastward migrations (Siegel's suggestion) may actually ... ±41% and 1708±30% thousand tons in March and December-1984 respectively for the area south of 60°S ... krill and the waters of two major circulation systems- those of the Weddell Sea and the Bellingshausen ... result from the fact that waters of each of the two major modifications carry out krill into the eastern ...

   Meeting Document : SC-CAMLR-VIII/BG/21 : Auteur(s): Delegation of USSR

7. Focusing and testing fisher know-how to solve conservation problems: a common sense approach

   , turtles and seabirds, can pose serious threats to specific animal populations causing public outcry and ... seabird mortality in two fisheries: the Puget Sound drift gillnet fishery for sockeye salmon and the ... model results in proof at two levels. At the practical level, fisher’s ideas are tested in the context ... regulatory, academic, and conservation communities. Author(s):  E.F. Melvin and J.K. Parrish (USA) Title ...

   Meeting Document : WG-FSA-03/20 : Auteur(s): E.F. Melvin and J.K. Parrish (USA)

8. Review of biological parameters for Ross Sea skates

   is 14 years. However this may be a considerable underestimate, and true longevity may exceed 20 years ... Abstract:  Biological parameters were reviewed and updated for the two main species of skates ... TL. Length at maturity of B. cf. eatonii is poorly determined, but is about 90–100 cm TL for males ... . Age at sexual maturity for A. georgiana is estimated to be about 6–7 years for males and 8–13 years ...

   Meeting Document : WG-FSA-06/31 : Auteur(s): M.P. Francis (New Zealand)

9. Laboratory target strength measurements of free swimming Antarctic krill (Euphausia superba)

   single animal insonifications. For mean length classes in the range [29.6, 36.2] mm the median single ... -animal target strengths are in the range [-76.7,-71.8] dB. Monte Carlo computer simulations were used to ... also presented. Author(s):  Pauly, T., Penrose, J.D. Title:  Laboratory target strength measurements of ...

   Meeting Document : WG-EMM-97/75 : Auteur(s): Pauly, T., Penrose, J.D.

10. Growth models for D. eleginoides for the Heard Island plateau region (Division 58.5.2) calibrated from otolith-based length at age data and validated using mark-recapture data

    sample that were older than 20 years the general trend in the data of length with age did not exhibit ... unadjusted model. We also tried fixing the t0 and L? parameters of the VB model to give age zero length of 30 ... predictions from the VB model fitted by maximising the VP likelihood. For the 5 to 25 year age range predicted ... trawls for seasons where both fishing methods were used. Due to the small number of fish in the aged ...

    Meeting Document : WG-FSA-05/64 Rev. 1 : Auteur(s): S.G. Candy, T. Lamb, A.J. Constable and R. Williams (Australia)

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