Résultats de la recherche

1. Observation of seabirds in the Southern Ocean in 1988/89

   :00; 12:00, 16:00 and 20:00 ship-time, while sailing between Antarctic stations and while en route to ... . Thirty minute observations were made daily during daylight hours at 8:00; 12:00,16:00 and 20:00 ship ... OT 60° 1O.1IJ.) o6RacTH IO)l{Horo OKeaHa. Ha6RIO,l\eHH5I, no 30 MHH. Ka)l{,l\oe, BbInORH5IRHCb e)l ... {e,l\HeBHO B CBeTRoe BpeM5I CYTOK 8, 12, 16, 20 qaCOB no CY,l\OBOMY BpeMeHH, BO BpeM.5I nepeXO,l\OB ... 20:00 horas (hora del barco), mientras se navegaba entre las estaciones antarticas y puertos escalas ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 521–542 : Auteur(s): Vagin, A.V. and V.V. Popov

2. Use of indices of predator status and performance in CCAMLR fishery management

   of likely operational constraints on fisheries. File:  20-Croxall.pdf ... environment, evidence for short-term changes (year-to-year differences or trends over three to five years ... last year and with average(s) of previous years. Determine level of statistical significance of ... fishery policy on a year-to-year basis, we need to develop a system that takes notice of changes where ... Restriction 1 2 3 Size 30% reduction 60% reduction Zero Timing Not Jan-Mar Not Dec-April Closed Location ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 353–365 : Auteur(s): Croxall, J.P.

3. Maximum entropy reconstructions of krill distribution and estimates of krill density from acoustic surveys at South Georgia, 1996–2000

   ( 19 97 ), JR 28 ( 19 98 ), JR 38 ( 19 99 ) an d A T L D ( 20 00 ). A xe s ar e ... = 95 km, y = 30 km (Figure 1b). Factors contri - buting to the consistent appearance of krill at these ... not possible to satisfy all the conditions for a MaxEnt solution. Cruise Year Box Jolly and Hampton ... year to the next in the MaxEnt reconstructions. These are not immediately obvious in the acoustic ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 91–100 : Auteur(s): Wafy, M.H., A.S. Brierley, S.F. Gull and J.L. Watkins

4. Krill population biology during the 1991 Chilean Antarctic krill fishery

   419 hauls. In Area A, a unimodal size frequency distribution was found; the size range was between 30 ... juvenile specimens between 20 and 39 mm TL. Females comprised 47.1%, males 40% and juveniles 12.9%. Of the ... ' 59°55,3' 2.60 58 14 21:30 21.02.91 62°08,1' 59°51,5' 2.40 50 20 09:30 22.02.91 62°08,9' 59°56,4 ... °17,6' 2.70 50 30 18:20 03.03.91 62°26,0' 61 °17,8' 2.80 40 39 08:30 04.03.91 62°33,5' 61 °22,7' 2.90 ... : Total catch (tonne/mile) in both areas during the three time periods. 50 % 60 40 30 20 10 ... between 30 and 55 mm TL, with a mean TL of 45 mm for females and 48 mm for males. A very weak mode for ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 223–235 : Auteur(s): Mujica R., A., E. Acuña S. and A. Rivera O.

5. Distribution and relative abundance of Antarctic toothfish (Dissostichus mawsoni) on the Ross Sea shelf

   for all years up to, and includ- ing, the 2007/08 fishing year. The observer data used in this report ... 88.2 for all years up to, and including, the 2007/08 fishing year. Data error checking and grooming ... caught in each of the three grounds, for years where more than 10 sets were completed, is shown by year ... between years on catch per 24-hour set, so the use of a single year to illustrate trends is of limited ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 33–51 : Auteur(s): Hanchet, S.M., S. Mormede and A. Dunn

6. 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

7. 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

8. 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

9. 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.

10. 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

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