Résultats de la recherche

1. A simple approach for calculating the potential yield of krill from biomass survey results

   for the calculations is that the probability that the krill spawning biomass drops below 20% of its ... median pre-exploitation level over a 20 year period of harvesting should equal 10%. The value of, λ ... is that the probability that the krill spawning biomass drops below 20% of its median pre ... -exploitation level over a 20 year period of harvesting should equal 10%. The value of 'A, depends strongly on ... 20 ans, la biomasse reproductrice du kriU chute en dessous de 20% de son niveau moyen d'avant ... Bep05ITHOCTb cna~a 6HOMaCCbI HepeCTYlOlllero KPHJI5I HH)I{e 20% ere Me~HaHHoro ~OaKCnJIyaTaLVlOHHoro ypOBH5I ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 207–217 : Auteur(s): Butterworth, D.S., A.E. Punt and M. Basson

2. Simulation of recovery rates of fish stocks in the South Georgia and Kerguelen Islands areas

   .::. '_J .. 7Cj' Le ,--,,_I 2. E37 20 1989 9. 0=0= ...J . ..J 77 :2 .. ,~,8 · 21 19'7'0 9. 88 80 :2 ... 20. n:., 1. 10 2001 14.24 80 23. 27 1 1 '?' 2002 15. 52 87 ..--.1= .',' L,-'" c:.,,=, 1 .30 2003 ... ,~ u 20 e n c y 10 0 1:; 0 0 Frequency Histogra.m ,I! Ill. 20 60 100 40 80 120 ... presents projections of the stocks and catch over the next 20 years for the major species of concern at ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 229-298 : Auteur(s): Hennemuth, R.C., K.D. Bisack and G. Duhamel

3. Commercial krill fisheries in the Antarctic, 1973 to 1988

   (with a minor reduction of 28 891 tonnes, from 477 023 tonnes to 448 132 tonnes, between 1979/80 and ... Statistical Area 48, before falling to consistently lower levels (±20 000 tonnes) thereafter (Figure 5 ... larger than Statistical Area 48. It is also apparent that prior to 1979/80 substantial catches in ... 1979/80. It can be seen, however, that there are only relatively few similarities between whale ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 229–281 : Auteur(s): Miller, D.G.M.

4. Age estimation and maturity of the ridge-scaled macrourid (Macrourus whitsoni) from the Ross Sea

   standard normal distribution R es id ua ls (b) 20 30 40 50 60 70 80 -2 -1 0 1 2 Fitted values R ... 0 1 2 3 20 30 40 50 60 70 80 Fitted ... R es id ua ls (b) 20 30 40 50 60 70 80 -2 -1 0 1 2 Fitted values R es id ua ls -3 -2 -1 ... (years) 100 80 60 40 20 0 100 80 60 40 20 0 To ta l l en gt h (c m ) Figure 3: Length ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 291–303 : Auteur(s): Marriott, P.M., M.J. Manning and P.L. Horn

5. A post-processing method to remove interference noise from acoustic data collected from Antarctic krill fishing vessels

   ‐80 ‐60 ‐40 ‐20 De pth /m Sv /dB re 1m ‐1 38 kHz 70 kHz 120 kHz krill swarm echoes interference ... noise –120 –100 –80 –60 –40 –20 Sv (dB) 0 50 ... ) represent results obtained from the interference noise removed data. -120 -100 -80 -60 -40 -20 0 500 ... –60 –40 –20 Sv (dB) 0 5 10 15 20 -100 -90 -80 ...

   Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 17–30 : Auteur(s): Wang, X., J. Zhang and X. Zhao

6. Status of the coastal stocks of Dissostichus spp. in East Antarctica (Divisions 58.4.1 and 58.4.2)

   ) showed the two methods produced area size estimates that dif- fer by approximately 20% overall (with ... only the median biomass from CPUE comparison was used. Agnew et al. 80 east, it is tempting to ... circulation and water masses over the Antarctic continental slope and rise between 80 and 150°E. Deep­Sea ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 71–100 : Auteur(s): Agnew, D.J., C. Edwards, R. Hillary, R. Mitchell and L.J. López Abellán

7. Estimates of fish stock biomass around South Georgia in January/February 1985

   reduction in stock size to 10 – 20% of that estimated before the onset of heavy fishing. In C. gunnari the ... in stock size to 10 ~ 20% of that estimated before the onset of heavy fishing. In C. gunnari the ... et C. gunnari. Les estimations de biomasse indiquent une reduction de 10-20% du stock - 2 ... ITPOMhlCna. oueHKH 6HOMaCChl yKa3hlBaWT Ha CHH~eHHe pa3Mepa 3anacoB no 10-20% rrpennonara- eMOH BenHqHHhl no ... tamano de las reservas de un 10-20% del que se calculaba antes de comenzar la pesca en grandes ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 1-32 : Auteur(s): Kock, K.-H.

8. Results of fish larvae sampling by means of fine-meshed samplers attached to a bottom trawl

   260 15P 110 * 90 240 122 340 * 540 250 123 190 * 220 70 124 50 * 320 320 127 50 * 680 80 130 20 ... -1100 142-260 80 2 1400-1430 139-153 5 370 128 1 6 1620-1650 217-225 10/20 2045-2115 118-149 140/280 ... WG-FSA-88/20 RESULTS OF FISH LARVAE SAMPLING BY MEANS ... abundance of postlarval fish was highest in hauls 20, 22 and 36, which were carried out in the shallow (108 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 69-86 : Auteur(s): Ślósarczyk, W. and I. Wójcik

9. A hypothetical life cycle for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region

   small 20' latitude by 20' longitude cell was calculated. These median lengths were then grouped into ... °S 60 °S 65 °S 70 °S 75 °S 80 °S 14 0° E 160 °E 180° 160°W 140°W 120°W 100°W Ross Sea ... toothfish (<40 cm) have been caught in the Ross Sea toothfish fishery. Larger juveniles (40–80 cm) show ... ranging from 40–80 cm (Arana and Vega, 1999; Patchell, 2005). Sub-adult toothfish (80–100 cm) tend to ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 35–53 : Auteur(s): Hanchet, S.M., G.J. Rickard, J.M. Fenaughty, A. Dunn and M.J. Williams

10. The Patagonian toothfish (Dissostichus eleginoides) fishery in the Kerguelen Islands (Indian Ocean sector of the Southern Ocean)

    eleginoides) have been fished in the Kerguelen Islands zone for 20 years, firstly with trawlers and more ... the Kerguelen Islands zone for 20 years, firstly with trawlers and more recently with longliners ... la zone des îles Kerguelen depuis 20 ans, d’abord avec des chalutiers puis des palangriers. C’est la ... eleginoides) велся в районе о- вов Кергелен на протяжении 20 лет – сначала траулерами, а в последнее время ... – 1979/80 to 2000/01) and in Excel tables for longliners (1990/91 to 2003/04). All these data have been ...

    Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 1–25 : Auteur(s): Lord, C., G. Duhamel and P. Pruvost

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