Résultats de la recherche

1. Spatial and temporal distribution of krill Euphausia superba biomass in the Ross Sea (1989/90, 1994/95)

   '. The results of calculations indicate that biomass of krill in the western part of the Ross Sea ... in a small area of ice free water. It can be supposed that below ice krill occurred mainly in ... position 175° 40' E, 70° 45' S. The results of the italian expeditions indicate that biomass ... , many times, on the pieces of ices broke up by icebreaker, individuals of krill were observed, it can be ...

   Meeting Document : WG-EMM-97/53 : Auteur(s): Kalinowski, J., Azzali, M.

2. Note sur l'étude d'évaluation de l'impact des pêcheries sur les populations de pétrels à menton blanc Procellaria aequinoctialis et de pétrels gris Procellaria cinerea aux îles Crozet et Kerguelen

   shows that the population of white-chinned petrels at Possession Island (Crozet) decreased sharply ... between 1983 and 2004, with the main cause being changes in environmental variables. Nevertheless, the ... point beyond which the population would be at risk of declining. Past levels (up to 2003) of incidental ... rate between 2001 and 2004. Since 2005, incidental mortality of this species is no longer at the levels ...

   Meeting Document : SC-CAMLR-XXVI/BG/22 : Auteur(s): Délégation française

3. Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region to 2018/19

   spawning stock biomass to be about 71 730 t (95% CIs 65 890–78 730 t) and the current stock status to be 66 ... between north of 70° S (19%), south of 70° S (66%), and the SRZ (15%) was 3140 t. Hence, we recommend that ... the catch limit be set at a total 3140 t for the Ross Sea region in the 2019/20 and 2020/21 fishing ... seasons, with a catch limit of 588 t for north of 70° S, 2042 t for south of 70° S, and 464 t for the SRZ ...

   Meeting Document : WG-FSA-2019/08 : Auteur(s): A. Dunn

4. Temperature-dependent growth of Thysanoessa macrura: inter-annual and spatial variability

   . We analyzed data from four separate years (1995, 1998, 2001, 2004) that varied widely in temperature ... were not significantly correlated with chl-a concentration. These results suggest that the growth rates ... . This contrasts with published data on the growth rates of Euphausia superba, which is predicted to be ... than in Weddell Sea water during all years. Growth rates were strongly correlated with temperature but ...

   Meeting Document : WG-EMM-13/39 : Auteur(s): R.M. Driscoll, C.S. Reiss and B.T. Hentschel (USA)

5. Population numbers of fur seals at Prince Edward Island, Southern Ocean

   south-east coast of the island; the first a mixed (with Subantarctic fur seals) breeding colony with an ... Abstract:  During the period 17–22 December 2001, the onshore distribution and the abundance of ... presumably pure Antarctic fur seal breeding colony with an estimated 380 pups, at Penguin Beach. At a mean ... intrinsic rate of natural increase of 13.7% per year, Antarctic fur seals appear to be in the rapid ...

   Meeting Document : WG-EMM-03/18 : Auteur(s): M.N. Bester, P.G. Ryan and B.M. Dyer (South Africa)

6. Reassessment of important population parameters for Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on time series of surveys and fishery data

   new survey of the Heard Island Plateau was undertaken in May- June 2001, providing the sixth survey ... over 11 years on this stock with other surveys including part of this stock. This paper describes the ... results of that survey, the time series of abundances and assessments of growth, recruitment, mortality ... and selectivity of this species. The results indicate that D. eleginoides is faster growing that ...

   Meeting Document : WG-FSA-01/73 : Auteur(s): A.J. Constable, R. Williams, T. Lamb, I.R. Ball and E. van Wijk (Australia)

7. Results of the first winter longline survey to the northern Ross Sea region to investigate toothfish reproductive life history

   of neutral buoyancy. We recommend that a survey be carried out from mid-July through August to ... northwest of stratum 1. Gonad staging and gonadosomatic indices suggest that males in spawning condition may ... aggregate earlier than females and that spawning begins in early July. There were a higher proportion of ... reared for several days in flow through incubators. Egg buoyancy measurements, conducted with fertilised ...

   Meeting Document : WG-FSA-16/37 : Auteur(s): D. Stevens, D. Di Blasi and S. Parker

8. Comparison of age readings from scales and otoliths of the Patagonian toothfish (Dissostichus eleginoides) from South Georgia

   L oo = 207.01 cm, K = +0.0748 and  t o =-0.2898. The maximum age of D. eleginoides was found to be ... test for paired data (Ts = 0.256, n = 59) conducted on the remaining 56% showed that differences in age ... effective with regard to time and cost. Values of fish growth parameters using the generalised von ... 24 years. This is very close to the maximum age of 22.8 years calculated from Taylor's formulae ... to the fact that false rings around the nucleus mix together with the first ring. Regression ... ). It was noted that this refinement could be achieved by comparing age readings from scales and ... can be seen that the results are very close to the other three existing growth equations for D ... considered that g(t,0) = L, . (1 - e-K(t-TOJ) and h (t,0) = 0, then equation 3 takes the form In equation ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 191–203 : Auteur(s): Cassia, M.C

9. Liste officielle des mesures de conservation en vigueur saison 1993/94

   perpendicular to the plane of the net. 3. The gauge shall be inserted into the mesh opening either with a ... measured perpendicular to the lacings, ropes or codline with the net stretched in the direction of that ... fixed at that mesh. 3. By way of derogation from paragraph 1, the meshes to be measured need not be ... size of the net shall then be determined in accordance with Article 5. If the calculation of the ...

   Document : Site Section: Publications

10. Infectious diseases of Antarctic penguins: current status and future threats

    occurred. The majority of these events have occurred since the year 2000 in regions that will likely be ... tourists in the future. Three main areas are likely to be impacted by this increase in use and by ... Antarctica. From previous reports we know that penguin species are highly susceptible to a number of ... System, means that our understanding is still patchy. A feather loss condition of unknown etiology ...

    Meeting Document : WG-EMM-14/53 : Auteur(s): W.W. Grimaldi, P.J. Seddon, P.O.B. Lyver, S. Nakagawa and D.M. Tompkins (New Zealand)

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