Resultados de la búsqueda

1. Results of acoustic assessment of krill biomass in Subarea 48.2 during summer 1996

   southwards of 60 ° 30'S amounts about (883±264.9) thous. t. Therefore, total krill biomass in Subarea ... ; acoustic assessment of krill biomass and distribution was carried out in study area restricted with 59° 10 ... ' S- 60°30' S and 42 °00' W- 50°00 'w within Subarea 48.2. The study area of 19.200 ... with between-tacks distance of 20 miles. The echosurvey was carried out diurnally. Krill target ...

   Meeting Document : WG-EMM-96/36 : Autor(es): Sunkovich, V.I., Kasatkina, S.M., Abramov, V.M., Polischuk, M.I., Sushin, V.A., Shnar, V.N.

2. A tale of two islands: contrasting fortunes for sub-Antarctic skuas at the Prince Edward Islands

   -Antarctic islands, and can be used to monitor the health of burrowing petrel populations. A survey of skuas ... coverage in 2008, whereas the number of skua nests on Marion Island was barely half that counted in 2001 ... December 2001. Prince Edward Island (46 km 2) remains free of introduced mammals, whereas Marion Island ... of breeding pairs at Prince Edward Island increased from 2001 to 2008, probably as a result of better ...

   Meeting Document : WG-EMM-10/P03 : Autor(es): P.G. Ryan, P.A. Whittington and R.J.M. Crawford

3. Note sur l'étude des effets environnementaux, spatiaux, temporels et opérationnels sur la mortalité accidentelle des oiseaux dans la pêcherie à la palangre dans les secteurs de Crozet et Kerguelen en 2003–2006

   west) than at Crozet. Analyses show that a proportion of the incidental mortality can be explained by ... Abstract:  Incidental mortality has diminished considerably in comparison with the period from ... 2001 to 2003 (Delord et al, 2004). During the 2003/04, 2004/05 and 2005/06 fishing seasons the ... revealed that the incidental catch of white-chinned petrels and grey petrels is caused by a complex set of ...

   Meeting Document : SC-CAMLR-XXVI/BG/21 : Autor(es): Délégation française

4. Krill fishery information

   date (17 June 2001) for the 2000/01 season is 45223 t; 9 vessels are believed to be fishing. No fishing ... Area during the period July 1999 to June 2001. During that period, 14 vessels targeted krill in Area 48 ... in Area 48, and the total catch of krill reported during that period was 30175 t. The 2000/01 fishing ... during the 1999/2000 season (July 1999 to June 2000). A total of 104259 t of krill was caught, of which ...

   Meeting Document : WG-EMM-01/7 : Autor(es): Secretariat

5. 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 : Autor(es): Kalinowski, J., Azzali, M.

6. 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 : Autor(es): Délégation française

7. 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 : Autor(es): A. Dunn

8. 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 ... growth. Growth rates of T. macrura varied between years and water masses, ranging from-0.037 mm day-1 in ...

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

9. 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 : Autor(es): M.N. Bester, P.G. Ryan and B.M. Dyer (South Africa)

10. 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 : Autor(es): A.J. Constable, R. Williams, T. Lamb, I.R. Ball and E. van Wijk (Australia)

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