Résultats de la recherche

1. Distribution, biomass and characteristics of the Euphausia superba fishery around South Georgia (Subarea 48.3)

   here in almost all months of the year although spring research did not uncover any particularly large ... whole year depend upon the variability of water dynamics in the mesoscale. Variability associated with ... seasonal and interannual fluctuations in this area. Even surveys carried out more than once a year do not ... of the island (0.75 g/m3). Calculations showed that by comparison with June of the same year biomass ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 123–147 : Auteur(s): Latogursky, V.I., R.R. Makarov and L.G. Maklygin

2. Exploratory fishing for Dissostichus spp. in the Antarctic region (Subareas 48.1, 48.2 and 88.3)

   . Male 1 60 17 Female W 50 m - E 40 2 30 20 10 0 0 1 2 3 4 Repletion index Figure 6 ... Kirby hooks (61 X 30 X 27 mm), unbalanced type, spaced at 1.8 m intervals. To help sink the fishing ... gear, 6.5 to 7.0 kg rocks were used. Medium-sized (20 cm) (SD = 2.2) sardines (Sardiizops sagax) and ... near Adelaide Island, where longlines were set between 290 and 350 m (station no. 20), and in ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 1–17 : Auteur(s): Arana, P.M. and R. Vega

3. Krill fishing in the Scotia Sea in relation to bathymetry, including the detailed distribution around South Georgia

   restricted area of about 30 x 20 km. There were also a few isolated hauls made outside this area. During ... than a few weeks in a year and at other than a local scale. Krill population dynamics operate over ... year and it is those data that have been used in this study. The following new dataset was also ... breeding performance that year (SC-CAMLR-XIV, 1995, Tables 3.7 and 3.8), and research surveys indicated ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 1–17 : Auteur(s): Murphy, E.J., P.N. Trathan, I. Everson, G. Parkes and F.H.J. Daunt

4. Comparative feeding ecology of Patagonian toothfish (Dissostichus eleginoides) in the southwestern Atlantic

   continental shelf/slope between 46°-55°S and 60°-64°W, and around South Georgia between 53°-55°30' and 3 ... Argentinian continental shelf/slope, the length of D. eleginoides ranged from 30 to 95 cm total length (TL ... main line of 20 000 m, with branch lines each with 90 hooks (model 'Ancora', 30 mm gap) spaced at 1 m ... continental shelf/slope, the length of D. cleiyiizoides ranged from 30 to 95 cm total length (TL) which ... variait de 30 5 95 cm, ce qui correspond au stade juv6nile. Autour de la GPorgie du Sud, la distribution ... ~ax AJIclHa (TL) KJIbIKaYa ~one6anacb B jJllana3OHe 30-95 CM, YTO COOTBeTCTBYeT CTanHH MOJ'IOAH. B o ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 105–124 : Auteur(s): García de la Rosa, S.B., F. Sánchez and D. Figueroa

5. Preliminary appraisal of Antarctic fish selection by the 32/36 bottom trawl combined with various codends

   -----------~------------+_-------- 15 20 25' 30 45 50 55 fish length (TL,cm) Figure 7 Double-layer codend (mesh 120 mm) selectivity ... 20 25 30 35 40 45 0 j:;"sh Length ITL, qm/ Figure 8 Double-layer codend (mesh 120 mm) selectivity ... ---~~--~------~~~~~~--------~_+--------------r grounds ~+----~~------~----------j-------+ (5 20 25 30 35 40 Its 'So .F;'sh Length (rL, ern ... a thickness of 2 mm and having a mesh size of 20 mm. A schematic drawing of a 4-wall codend with ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 1-48 : Auteur(s): Zaucha, J.

6. A simulation study of the method of deriving natural mortality rate using data for Champsocephalus gunnari in Subarea 48.3

   annual fishing mortality Fay, and abundance Na,y rates by age and fishing year, where terminal fishing ... mortality rates and fishing mortality rates for the oldest age group by fishing year are estimated by the ... is total fishing mortality at year y; Y = 1,2, .... , Yk· (ii) "Stock recruitment" ratio: No 1 ... : (13) where q is catchability factor. (v) Catch-at-age and fishing year, Ca,y: (14) Thus the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 69–83 : Auteur(s): Gasyukov, P.S. and R.S. Dorovskikh

7. Growth and age/length structure of populations of Notothenia (Lepidonotothen) squamifrons (Nototheniidae) in various areas of the Indian sector of the Southern Ocean

   paper. It was found that during the first years of life the linear growth rate is 3 to 5 cm per year. It ... decreases by a maximum of 1 cm during the last years of life. Maximum annual weight increments of 100 to 120 ... 'I 'I 'I 1000 500 fO 20 30 Y Y 'I 40 2/ / / / / / / / , ,1 I I ... 1972; 2=1980 to 1986. 133 30 20 f978 n=770 t=7,5 fa 20 (979 n=2327 fa 20 1980 (1;5426 ... 10 '-ID 1986 n=68S9 t=8,O 3D 20 to ItO 30 1987 rt=6223 t=7,8 20 fO 8 12 f6 20 24 28 32 36 ... composition of N. squamifrons in the Ob Bank area. 134 30 r 20 ~ 10 20 to 30 20 10 20 10 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 123–139 : Auteur(s): Zaitsev, A.K.

8. Alternative methods for determining subarea or local area catch limits for krill in Statistical Area 48

   single year. Then, for the following two years, that subarea would be closed to fishing. For example, if ... 242 1.5 million tonnes of krill were taken from Subarea 48.1 this year, it would be closed to ... Shetland Islands. Document WG-CEMP-90/30 Rev. 1. CCAMLR, Hobart, Australia: 24 pp. CROXALL, J. 1990 ... Penguins in the South Shetland Islands, Antarctica. British Antarctic Survey Bulletin, 81: 19-30. 247 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 237–249 : Auteur(s): Watters, G. and R.P. Hewitt

9. Cephalopod research in the Antarctic

   Scotia Sea. The estimates, 34.2 million tonnes and 3.7 million tonnes per year respectively ... data in turn may be useful, in the future, for predicting year class strength of exploited species ... span is approximately one year; spawning occurs once and is quickly followed by death. Size ... year class. However, this may reflect selective feeding by the predators and further information from ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 323-334 : Auteur(s): Rodhouse, P.G.

10. Factors affecting the incidental mortality of seabirds in the Dissostichus eleginoides fishery in the southwest Atlantic (Subarea 48.3, 1995 season)

    standardise hooks to the 'balanced' type with a 30 mm gap. The range of hook sizes analysed was therefore ... increase their activity in relation to the lunar cycle at this time of the year. Some of the highest ... opportunities offered by the database and because the differences between the hooks used this year are less ... different sizes) and incidental mortality clearly demonstrates that hooks equal to or larger than 30 mm in ...

    Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 79–91 : Auteur(s): Moreno, C.A., P.S. Rubilar, E. Marschoff and L. Benzaquen

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