Résultats de la recherche

1. Seasonal and inter-annual variability in the distribution of Electrona carlsbergi in the southern Polar Front area (the area to the north of South Georgia is used as an example)

   concentrations throughout the year. Results of surveys showed that the distribution and behaviour of E ... year is related to parameters of spatial and vertical distribution of fish. Interannual variability of ... concentrations throughout the year. Results of surveys showed that the distribution and behaviour of E ... variability during the year is related to parameters of spatial and vertical distribution of fish ... of the PFZ at various times of the year (rate of warming of the surface layer, rate of ... the southern border of the PFZ between 40° and 36°W, 30° and 25°W and 49° and 53°S (Figures 1 to 5) E ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 337–367 : Auteur(s): Kozlov, A.N., K.V. Shust and A.V. Zemsky

2. Review of length-weight relationships for Antarctic krill

   the same weight. The situation changes throughout the year, i.e., during the annual maturity cycle ... indicate the timing of spawning varies from year to year. The seasonal variation in krill weight clearly ... Maturity Stages Several 0.00056 3.62 24-58 30/mm Chekunova and months Rynkova (1974) Jan/March 0.00229 ... 3.35 22-42** 49 mostly adolescent Clarke (1976) April 0.0018 3.3436 20-61 1085 spent Sahrhage (1978 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 145–155 : Auteur(s): Siegel, V.

3. An assessment of the mackerel icefish (Champsocephalus gunnari) off Heard Island

   respectively. The effects of a constant catch level (in tonnes) over a 20-year period were evaluated. The ... , which means that they are based on a constant catch over a 20-year period, and as such they can be ... , 4.44 5001 5001 1 0 20 0.2 Trial 3 2 6 5 360 0.3-0.64 3 5 .O 1E-05 All year ... 5001 5001 1 0 20 0.2 Trial 4 2 6 5 360 0.3-0.64 2 5 .O 1E-05 All year 0.57 ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 79–101 : Auteur(s): de la Mare, W.K., R. Williams and A.J. Constable

4. A generalised model for evaluating yield and the long-term status of fish stocks under conditions of uncertainty

   ) 1.21 I 0 10 20 30 40 50 60 Length (mm) Selectivity (b) 1.6 1 1 0 2 4 6 Age (years) Relative ... Uncertainty (a) Run 1 Biomass (thousand tonnes) Recruits (millions) 0 10 20 30 40 50 Years (b) Run 2 ... fishing regimes. This model considers a year of 360 days, consisting of 12 monthly (30-day) intervals ... -exploitation spawning biomass at some time over the 20-year projection period is equal to 10%. + Values in ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 31–54 : Auteur(s): Constable, A. and W.K. de la Mare

5. Abundance, size and maturity of krill (Euphausia superba) in the krill fishing ground of Subarea 48.1 during the 1990/91 austral summer

   c: cD 10 :::J ~ c- · . cD 20 · . .... 5 · n'l u.. '.' '.' 0 .. 0 i I I I I I 30 60 ... and 30 mm correspond approximately to ages 3+ and 1 + years respectively. The 49 mm length mode is ... 1991 (Figure 1). Transects ran in an offshore-inshore direction with 20 n miles between the transects ... the depth range of 30 to 40 m in this region (Anon., 1989). Therefore each buoy was deployed with a ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 183–199 : Auteur(s): Ichii, T., H. Ishii and M. Naganobu

6. Observations on haul-out patterns and trends in the breeding populations of southern elephant seal at Península Valdés (Patagonia) and Stranger Point (25 de Mayo - King George I.)

   °30' W). The other place was located at Peninsula Valdes (patagonia) (1981-1984). Censuses were ... area and it was used every year to collect the information. The maximum number of females at ... corresponding to 27/10, rank ± 3 to Stranger Point and to 30/9, rank ± 5 to Peninsula Valdes. Besides, the ... both places it was independently observed, from year to year, the duration and the synchronization ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 453-463 : Auteur(s): Vergani, D.F., M.N. Lewis and Z.B. Stanganelli

7. A composite recruitment index to describe interannual changes in the population structure of Antarctic krill at South Georgia

   successful recruitment year due to krill spawned in 1994/95. File:  06watkins.pdf ... used four year classes with the mean size of l + krill occurring between 24 and 30 mm (Table 3 ... the maximum permitted size (30 mm). Therefore all analyses were rerun using five year classes with a ... years, either because of changes in distribution or sampling techniques. Similarly, the larger year ... + year class only formed a significant proportion of the population in three of the seven years. This ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 71–84 : Auteur(s): Watkins, J.L

8. Notes on the use of virtual population analysis for stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea 48.3 for the 1990/91 and 1991/92 seasons

   techniques, from 1991 back to 1977. The predicted age structure, dominated in recent years by the 1987 year ... -class (1 year olds in 1988), was quite robust, despite the use of various combinations of survey and ... proportion of 5 year olds, which was not observed during the survey on Falklands Protector in January 1992 ... . Breakdown in the credibility of the VPA results in most recent years is attributed to the invalid assumption ... . The predicted age structure, dominated in recent years by the 1987 year-class (1 year olds in 1988 ... recent years dominated by the year class spawned in late 1985/86, recruiting as 1 year olds in 1987/88 ... produced much lower estimates of abundance in the most recent years than MAFF5. The picture of year class ... year. Similarly in other years the assumed commercial age distribution will depend upon where the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 49–79 : Auteur(s): Parkes, G.

9. Size compositions of males and females in the course of the life cycle of Euphausia superba

   , using samples from different years. The observed variations were related to stages of krill maturity ... ..... ... %30~ ! \:'" ,,-00, '"1 '\ 64-38S 47-00E if 16~ ~ 13.1.84 ,,/ \ 16.1.84 166 I ...:---'\. \! 20 ... ; / .- 10 .- I " I ,/ 0 0 .. n m", A BeD ... % % 30 100 54-13S 35-23W ci" 25 11.9.70 'f 48 20 ... \ \ , 19 , SI 60"" 0 AB C D 0 JII ., '(,,30 100 (lO 60-00S 55-20 18.12.74 !i'107 10 ... 0 I 3/1 ... A BeD % 58-01S 40-S6w 30 2.1.75 cl' 32 ~ 19 100 20 6b 10 0 0 JI IJ/I SI ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 3–16 : Auteur(s): Makarov, R.R.

10. Evaluation of the results of trawl selectivity experiments by Poland, Spain and USSR in 1978/79, 1981/82 and 1986/87

    ~ 28 ~ 27 + z 26 w -l I 25 (f) G: 24 + 23 22 20 22 24 26 28 30 32 34 MEAN FISH LENGTH ... z 2.6 0 f= u 2.5 w -l w 2.4 (f) +. 2.3 2.2 2.1 + 2.0 20 22 24 26 28 30 32 34 MEAN ... 25.92 27 20-35 3.78 25.72 26 21 -36 3.71 25.25 27 21 -31 3.69 25.11 26 14-30 3.31 22.53 27 20-34 ... - 42 29 13-44 30 20- 41 30 19- 43 31 ;35 22-48 19*;26 14-37 22;30 17-39 30-32 23-44 29-31 ;37 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 163–196 : Auteur(s): Slosarczyk, W., E. Balguerias, K. Shust and S. Iglesias

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