Résultats de la recherche

1. Demographic studies of Antarctic krill Euphausia superba Dana in the Cooperation and Cosmonaut Seas (Indian sector of the Southern Ocean)

   years in the Cooperation Sea. Assuming growth for only 180 days per year, growth rates ranged from 0.120 ... -0.133 mm.d-1, during the first year of life, to 0.019-0.022 mm.d-1 during the fifth year. Von ... years of life. Based on long-term observations, the relationship between E.superba age composition and ... mortality rates. The duration of the life cycle of E.superba exceeded 5 years in the Cosmonaut Sea and 6 ...

   Meeting Document : WG-Krill-94/16 : Auteur(s): E.A. Pakhomov (Ukraine)

2. Spatio–temporal dynamics of Antarctic krill fishery: identification of fishing hotspots

   fishing fleet is concurring to know fishing grounds year after year, where they obtain high catches, and ... FHs. Results indicate that the fishery is presenting consistent FH across years, particularly during ... those years when the precautionary catch limit is reached. These events occur mainly in the centre of ... (>10 ton∙km-2) during years when the catch limit is reached. The analysis show that the krill ...

   Meeting Document : WG-EMM-16/52 : Auteur(s): F. Santa Cruz, B. Ernst and J.A. Arata

3. Biomass of myctophids in the Atlantic sector of the Southern Ocean as estimated by acoustic surveys

   , their dense concentrations composed predominantly of one myctophid species Electrona carlsbergi occurred ... biomass of myctophids in the Atlantic sector of the Southern Ocean over the region between 48° and 56°S ... Convergence. Author(s):  A.A. Filin, K.V. Gorchinsky and V.M. Kiseleva (USSR) Title:  Biomass of myctophids in ...

   Meeting Document : WG-FSA-90/19 : Auteur(s): A.A. Filin, K.V. Gorchinsky and V.M. Kiseleva (USSR)

4. Measurements of differences in the target strength of Antarctic krill (Euphausia superba) swarms at 38 and 120 kHz

   simultaneously insonified at these two frequencies in studies off the South Orkneys and Elephant Island in March ... in average target strength at these two frequencies. The results are in good agreement with recent ... 1984. Author(s):  I. Hampton (South Africa) Title:  Measurements of differences in the target strength ...

   Meeting Document : WG-KRILL-90/28 : Auteur(s): I. Hampton (South Africa)

5. A re-analysis of the Kerguelen Shelf and Skiff Bank stocks of Champsocephalus gunnari

   -frequency data for the years 1981 to 1990. Cohort analysis yielded a Stock Biomass of 22 711 tonnes in 1988 ... for the Age 2 Kerguelen Shelf stock, an order of magnitude lower than that calculated from a biomass ... possible declining trend in the abundance of this stock. Author(s):  G. Duhamel (France) and D.J. Agnew ...

   Meeting Document : WG-FSA-90/17 : Auteur(s): G. Duhamel (France) and D.J. Agnew (Secretariat)

6. The gentoo penguin as a candidate species for the CCAMLR Ecosystem Monitoring Program

   Abstract:  Based on dietary and other biological information collected over several years at Bird ... features of special relevance to the CEMP. Author(s):  J.P. Croxall and T.D. Williams (United Kingdom ...

   Meeting Document : WG-CEMP-90/14 : Auteur(s): J.P. Croxall and T.D. Williams (United Kingdom)

7. Dynamics of abundance and state of Notothenia rossii rossii stocks on the Kerguelen Island shelf

   exploitation (Uopt.) and optimal fishing mortality (Fopt.) in age groups and years of fishery have been ... for the period of 1970-1984 have been presented, the average age of recruitment has been stated ... . Fishing mortality of Notothenia rossii rossii, the age and length for optimal exploitation,coefficients of ... determined. Author(s):  P.B. Tankevich and V.A. Shlyakhov (YugNIRO, USSR) Title:  Dynamics of abundance and ...

   Meeting Document : WG-FSA-90/41 : Auteur(s): P.B. Tankevich and V.A. Shlyakhov (YugNIRO, USSR)

8. The integrated Antarctic expedition of the YugNIRO in the season of 1989–1990: main results of the ichthyological studies

   estimated on Rise "6230" (Storegg Bank), where some 30 thousand tons of fish concentrated over an ... Sea shelf and in the subantarctic zone of the Indian Ocean (Ob and Lena Banks). Author(s):  A.K ...

   Meeting Document : WG-FSA-90/39 : Auteur(s): A.K. Zaitsev, V.G. Prutko and V.N. Yakovlev (YugNIRO, USSR)

9. Preliminary results of an age/length study of juvenile Notothenia rossii marmorata from Potter Cove, South Shetland Islands

   birth date of the fish, which is discussed. The length-age range of the fish was 18-44 cm and 3-7 years ... Abstract:  Whole otoliths and scales were used for a simultaneous age determination of juvenile ... otolith cross sections of chosen specimens confirmed in all the cases the age readings obtained from the ... respectively, which is well in accord with the known length-age distribution of juvenile specimens of the ...

   Meeting Document : WG-FSA-90/09 : Auteur(s): E. Barrera-Oro and R. Casaux (Argentina)

10. Pilot study on electrophoretic variation and stock structure in the mackerel icefish, Champsocephalus gunnari, South Georgia waters

    gel electrophoresis. Thirty-one putative enzyme-coding loci were screened for enzyme polymorphisms ... stock structure are presented. Author(s):  G.R. Carvalho and D.P. Lloyd-Evans (United Kingdom) Title ...

    Meeting Document : WG-FSA-90/10 : Auteur(s): G.R. Carvalho and D.P. Lloyd-Evans (United Kingdom)

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