Résultats de la recherche

1. Investigations of required sampling regimes for environmental parameters

   recorded at three hour intervals throughout the whole day at 0200,0500, 0800, 1100, 1400, 1700, 2000 and ... , February and March, the months most important to predators. The period of a month was chosen for inter ... the months December to March, taking a=0.05 and P=0.8, is given in Table 3. These results indicate ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 561–573 : Auteur(s): Agnew, D.J.

2. Length-based assessments revisited – why stock status and fishing mortality of long-lived species such as toothfish cannot be inferred from length-frequency data alone

   over two or three decades (Constable et al., 2000). At the core of this approach are rules for ... Reference year 2000 First year of projection 2001 Years to project stock in simulation 60 y Reference ... projection period of 60 years starting arbitrarily in 2000. These catch levels were chosen to provide ... . Everson and D. Miller. 2000. Managing fish- eries to conserve the Antarctic marine ecosys- tem: practical ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 57–73 : Auteur(s): Ziegler, P.E., D.C. Welsford and A.J. Constable

3. Commercial fishing vessels as research vessels in the Antarctic – requirements and solutions exemplified with a new vessel

   historic maximum catch of over 500 000 tonnes. The most up-to-date large- scale survey took place in 2000 ... krill found in coastal and shelf areas. CCAMLR man- agement is still dependent on the CCAMLR-2000 ... Antarctic krill in the Scotia Sea in January/ February 2000 and its use in revising an esti- mate of ... Southern Ocean. ICES J. Mar. Sci., 62 (1): 25–32. Flores, H., A. Atkinson, S. Kawaguchi, B.A. Krafft, G ...

   Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 11–17 : Auteur(s): Godø, O.R., C. Reiss, V. Siegel, J.L. Watkins

4. By-catch of fish in the krill fishery

   120 0.42 17 12 1 59 59 28 9 2000 2000 45 45 2235 0.58 18 13 1 60 3 30 20 2000 2000 30 30 1240 0.58 ... 19 13 1 59 59 30 20 2000 2000 30 20 1500 1.00 20 13 1 59 59 30 28 1000 1000 25 25 1755 1.00 21 13 1 ... 3500 31 65 28 1715 0.50 11 9 3 69 35 1 14 2000 2000 53 80 28 1030 1.17 12 10 3 69 23 3 8 2100 2100 50 ... ,--.. X 1-< 4 ~ -VJ 1-< S x s 0 3 x rl be x 0 ..-< " '-" p::j ::> eJ x '" 2 x ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 381–401 : Auteur(s): Everson, I., A. Neyelov and Y.B. Permitin

5. Measurements of differences in the target strength of Antarctic krill (Euphausia superba) swarms at 38 kHz and 120 kHz

   in studies off the South Orkneys and Elephant Island in March 1990. Back-scattering strengths at 120 ... simultaneously insonified at these two frequencies in studies off the South Orkneys and Elephant Island in March ... Shetlands, in March 1990 from 76 RS Ajricana, a 78-m research stem-trawler of the Sea Fisheries ... aggregating and distribution patterns in these two regions. Data were collected between 7 and 10 March from ... the edge of the shelf to the north-west of Coronation Island, and on 16 March from the north-western ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 75–86 : Auteur(s): Hampton, I.

6. Towards an initial operational management procedure for the krill fishery in Subareas 48.1, 48.2 and 48.3

   year, depending on how many of the previous three years&#039; CPUE values fall below a target level of ... Management (Reykjavik, Iceland, 23-25 March 1987). Rep. into Whal. Commn 38: 163-70. IWC. 1989a ... and recruitment variability. S. Air. J. mar. Sci. 5: 937-951. BRINTON, E. and A.W. TOWNSEND. 1984 ... and cr=lS% per annum (dashed curve). s 0.0 '---... ~ Cc=O; Cr=O ,,--:, ------- C =2' C ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 189–219 : Auteur(s): Butterworth, D.S.

7. Biomass of myctophids in the Atlantic sector of the Southern Ocean as estimated by acoustic surveys

   surveyed from 20 February to 2 March. Secondly, the area with coordinates 51°30' to 55°00'S and 8°00' to ... 18°30' (Figure 7) was surveyed from 20 March to 2 April. These sectors had areas of 52 600 square ... : Density of myctophids as estimated by the echometric survey from 20 February to 2 March 1989. 1 - 1 to ... March to 2 April 1989. 1 - 1 to 10 tonnes per square mile 2 - 11 to 20 tonnes per square mile 3 - 21 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 417–431 : Auteur(s): Filin, A.A., K.V. Gorchinsky and V.M. Kiseleva

8. Food consumption by predators in a CCAMLR integrated study region

   ... V') 3000 - -3000 w z z 0 I- 2500 - f-2500 2000 - 1-2000 1500- -1500 1000 - f-IOOO 500 ... ... -6000 6000 = Vl W Z Krill Z 0 i::::= t- 4000 - I -4000 2000 - 1-2000 a 0 I I I I I I 0 0 (i0 ... Vl W 5000 5000 z z 0 t- 4000 Krill 4000 3000 3000 2000 2000 1000 b 1000 0 0 0 60 120 ... chick. Thus if g(c) is the daily energetic cost of feeding a chick, g(s) is the cost of foraging for ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 489–519 : Auteur(s): Croxall, J.P., C. Ricketts and A.G. Wood

9. An integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) for the Heard and McDonald Islands using CASAL

   respectively). The surveys carried out in 1992 and 2000 are excluded because of their poor sampling design in ... population/fishery models. Year of release: 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 Number ... 1999 58 6 2000 24 71 48 2001 10 19 94 74 2002 10 2 65 56 84 2003 3 1 11 ... s x a a s f x a x a a a x a a a x a a where parameters to be estimated are (sL, sU, a1, a2 ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 1–34 : Auteur(s): Candy, S.G and A.J. Constable

10. Indices of prey availability near the Seal Island CEMP site: 1990 to 1996

    population structure in the Elephant Island area, January through March 1992. U S Antarctic Jozrm., XXVI ... structure in the Elephant Island area, January to March 1992. U S Antarctic Jotrun., XXVII (5): 214-216 ... March 1993. U S Antarct ic Journ. , XXVIII (5): 185-188. Loeb, V. and V. Siegel. 1994. Krill stock ... structure and macrozooplankton abundance near Elephant Island, January to March 1994. U S Antarctic Joz ...

    Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 37–45 : Auteur(s): Hewitt, R.P., G. Watters and D.A. Demer

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