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1. Supplementary data on exploited stocks in Division 58.5.1 (Kerguelen)

   than three years present over the Kerguelen Shelf was carried out in 1987 and 1988 (Duhamel, 1988 ... correspond to (be followed by) a doubling of the biomass of the stock in five years. The implementation of ... classes 2 and 3, and therefore will have hatched from layings of adult stock of three or four years ... little less than three years. The growth in the biomass of the juvenile stock is noted and a deferred ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 147–161 : Автор(ы): Duhamel, G.

2. Trawl bag selectivity in the Champsocephalus gunnari fishery

   from previous years demonstrates close similarity. A significant increase in modal length (up to 34-35 ... - 7 19 - 16 20 30 38 21 - 20 22 - 20 23 - 24 24 38 64 25 534 373 26 1436 866 27 2984 1430 28 ... was 3.10 for a mesh size of 80 mm. Comparison of these results with results from previous years ... AND AREA Selectivity hauls were made from 17 to 20 June 1990 in an area having the mean coordinates ... population; and • absence of immature fish. Extensive data from previous years give a modal length of 24 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 295–312 : Автор(ы): Bidenko, V.G. and I.G. Istomin

3. Can we use discriminant function analysis to sex penguins prior to calculating an index of a morphometric characteristic?

   Type I and Type II errors. Lack of knowledge about the sex ratio between years makes combining the data ... knowledge about the sex ratio between years makes combining the data a very doubtful procedure and use of a ... of up to 20%, a very serious situation (Type II error). 6. DISCUSSION It is apparent that it ... probably not change significantly between years within the same population. The implications of this ... varying success. Values of c and d in equation (1) together with the sample size required to be 80 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 259–272 : Автор(ы): Agnew, D.J.

4. Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea

   been validated. The maximum estimated age was 14 years, but this should be regarded as a conservative ... ]), where L t is the pelvic length (PL) in centimetres at age t years. Applying this growth curve to the ... ages at maturity of 6–7 years for males and 8–11 years for females. These estimates are near the middle ... (year–1) t0 ± SE (years) Females 77 69.2 ± 3.1 0.402 ± 0.169 –0.73 ± 1.13 Males 58 79.9 ± 14.5 0.163 ... validated. The maximum estimated age was 14 years, but this should be regarded as a conservative estimate ... pelvic length (PL) in centimetres at age t years. Applying this growth curve to the estimated lengths at ... –7 years for males and 8–11 years for females. These estimates are near the middle to upper end of ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 183–194 : Автор(ы): Francis, M.P. and C. Ó Maolagáin

5. Intra-annual variability in the density of Antarctic krill (Euphausia superba) at South Georgia, 2002–2005: within-year variation provides a new framework for interpreting previous ‘annual’ estimates of krill density

   the regression-predicted within-year variation. Years that stand out for markedly low krill density ... consistently over all three years, was detected. Krill densities in winter were predominantly low (mean = 18.7 ... South Georgia, 2002–2005: within-year variation provides a new framework for interpreting previous ... g m –2, SD = 24.3), but had risen substantially by summer in each year (mean = 89.5 g m –2, SD ... 30 0 19 6 30 –1 82 × 13 00 20 3 20 –1 89 × 2 19 / 02 –2 8/ 04 / 03 30 0 19 8 32 –1 84 ... × 13 34 22 7 21 –2 13 × 5 14 / 01 –2 4/ 03 / 04 30 0 19 8 32 –1 84 × 13 00 22 6 20 –2 12 ... -predicted within-year variation. Years that stand out for markedly low krill density (i.e. densities below ... et al. 30 summer) in the light of repeated observations of within-year changes to address the ...

   Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 27–41 : Автор(ы): Saunders, R.A., A.S. Brierley, J.L. Watkins, K. Reid, E.J. Murphy, P. Enderlein and D.G. Bone

6. Changes in biomass of eight species of finfish around the South Orkney Islands (Subarea 48.2) from three bottom trawl surveys

   the South Orkney Islands (Subarea 48.2) suffered substantial declines from split-year 1977/78 to 1989 ... conducted during daylight hours. The target time for a haul was 30 minutes, with any haul less than 20 ... ;;; 6 4 2 0 10 20 30 40 50 60 10 20 30 40 50 60 70 Length (cm) Length (cm) Figure 6: Length ... largely exhausted within two years, and overall catches declined by almost two orders of magnitude ... within a few years (Figure 1). Catches increased slightly in the mid-1980s, primarily as a result of ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 53–74 : Автор(ы): Jones, C.D., K.-H. Kock and E. Balguerías

7. Some specific features of the USSR krill fishery and possibilities of applying fishery statistics to studies of krill biology and stocks

   operations very short hauls (under 15 minutes) are practised. Such fishing practice, together with ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 237–252 : Автор(ы): Dolzhenkov, V.N., T.G. Lubimova, R.R. Makarov, S.S. Parfenovich and V.A. Spiridonov

8. Biological characteristics of Antarctic fish stocks in the southern Scotia Arc region

   , despite substantial catches in the first four years of the fishery and ample opportunity to sample these ... catches. The only scientific surveys of these stocks during these years were conducted by Germany in 1985 ... evidence of illegal fishing since the closure of the region some 10 years ago. Differences in length-weight ... takes one year or more, whereas in others gonad maturation was completed within one season. Length at ... of 20-30 m off the southwest coast of Elephant Island by a 3 m beam trawl. Early juveniles of other ... 1998, despite substantial catches in the first four years of the fishery and ample opportunity to ... sample these catches. The only scientific surveys of these stocks during these years were conducted by ... the populations provided no evidence of illegal fishing since the closure of the region some 10 years ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 1–41 : Автор(ы): Kock, K.-H., C.D. Jones and S. Wilhelms

9. Assessments of by-catch in trawl fisheries at Heard and McDonald Islands

   Island area could be a combination of (i) limiting the total by-catch in a year to the estimates of long ... the end of 20 years of exploitation should be 75% of the pre-exploitation spawning biomass and that ... 0 20 0.2 for C. rhinoceratus WG-FSATWG-FSA-97/30). L. squainifrons 1 25 11 360 0.1 ... than 0.1 over a 20-year period. The lowest y satisfying these rules was determined for the three ... 670 mm C. rhinoceratus 5.142 E-10 3.398 2 561 0.95 B. irrasa %N %kg 1 5 4 4 16 30 2 ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 231–243 : Автор(ы): Constable, A.J., R. Williams and W.K. de la Mare

10. Annual changes in species composition and abundance of myctophid fish in the north of South Georgia (Subarea 48.3), Antarctica, during austral winters from 2002 to 2008

    of myctophid fish: (a) Protomyctophum choriodon. (continued) A 0% 10% 20% 30% 40% 50% 60 ... ) 2004 (n=33) 2008 (n=643) 2002 (n = 20) 2004 (n = 33) 2008 (n = 643) 70 60 50 40 30 20 10 0 ... % 10% 20% 30% 40% 50% 60% 20 30 40 50 60 70 80 90 100 110 120 130 Standard length (m m ) P e rc ... (n = 8) 2004 (n = 109) 2002 (n = 9) 60 50 40 30 20 10 0 P er ce nt ag e co m po si ...

    Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 155–163 : Автор(ы): Iwami, T., M. Naganobu, K. Taki and M. Kiyota

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