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1. Age, growth and size at sexual maturity of Macrourus carinatus caught as by-catch in Australian sub-Antarctic trawl fisheries

   McDonald Islands (Division 58.5.2) in 1992 and 1993. The range of estimated ages was 4 to 25 years. There ... Ross Sea. 0 100 200 300 400 500 600 700 0 5 10 15 20 25 30 Age (years) To ta l l en gt h ... Dorsal Ventral van Wijk et al. 142 0 5 10 15 20 25 30 -500 -400 -300 -200 -100 0 100 200 300 ... corresponding to the upper end of each bin. 0 5 10 15 20 25 30 200 250 300 350 400 450 500 550 600 650 ... 1992 and 1993. The range of estimated ages was 4 to 25 years. There were no signifi cant differences ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 139–151 : Autor(es): van Wijk, E.M., R. Williams and A.J. Constable

2. Analysis and modelling of the Soviet Southern Ocean krill fleet, II: Estimating the number of concentrations and analytical justification for search data

   18.9 hrs 693.6 (4-8), 61.2 (8-9) 1 290.4 50" 40' 20" o' 20' 40' 10' 30' 30' 10" 50" 60" 60 ... 10 15 20 30 40 50 60 70 Concentration Radius (nml) Figure 16: Histogram of the radii of ... longitude is assumed to be 30 nm. Figures 6 to 9 show the results of the application of the rule ... (1989) concentrations are presumed to persist for the entire fishing period of14 to 30 days.) 290 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 283–322 : Autor(es): Mangel, M.

3. Statistical problems in krill stock hydroacoustic assessments

   issue of patchy years vs more even distribution would seem to have more impact on ecosystem management ... biomass present in an area, but rather how it is distributed. The issue of patchy years vs more even ... distributed. Consider as a test case that we have two surveys in two consecutive years giving identical ... approximately 20 n miles from Seal Island (the estimated foraging range of a penguin, personal communication ... . Fish. Aquatic. Sciences, 39(1) 229-231 p. 305 Figure 1: 56°W 30' 55~ 30' 45'~----~r ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 301–309 : Autor(es): Macaulay, M.C.

4. Spatially explicit population dynamics models for Antarctic toothfish in the Ross Sea region

   (years) 0 5 10 15 20 25 30 0 ... 5 10 15 20 25 30 Age (years) 1.0 0.8 ... flatter curve than expected (95th percentile over 30 instead of 24 years). However, fixing the maturity ... moved by Antarctic toothfish (median of about 20 km after a year at liberty, see Parker et al., 2013 ...

   Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 19–37 : Autor(es): Mormede, S., A. Dunn, S. Hanchet and S. Parker

5. Estimation of krill (Euphausia superba) mortality and production rate in the Antarctic Peninsula region

   ratio of 0.88 to 0.94 for different years. The exchange rate of water masses and krill biomass within ... frequencies from whale stomachs and found high abundances of 20 to 30 mm juvenile krill. These size groups ... Antarctic Peninsula survey area for different years. 30 • PN87/88 29 oME89/90 28 z27 .E 26 25 ... during the last years several year-classes had been poor or almost missing, e.g. year-class 1983/84 as ... three year life span of krill. Their age group 1 (20 to 43 mm) included the two age groups 1+ and 2 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 159–176 : Autor(es): Siegel, V.

6. Statistical power to detect changes in growth rates of Antarctic fur seal pups

   changes (between years) in pup growth rates, the loss of power associated with obtaining weight samples on ... ------- ------- Females ------- mean mean Date n weight (kg) s.d. n weight (kg) s.d. 1988: 2 Jan 30 9.91 1.60 20 8.78 ... :=,8=0.1 0:=,8=0.1 + + 15 20 25 CHANGE IN 30 35 40 GROWTH 45 50 RATE Figure 2: If the ... cx={3=.l cx={3=.05 t t ALL CURVES: 4 weighing dates 28-day intervals 50 pups/day 15 20 25 30 ... for each year and as weighted averages of both years. Growth Rate Standard Error (kg/d) of Growth ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 399–409 : Autor(es): Boveng, P., J.L. Bengtson and M.E. Goebel

7. 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 : Autor(es): Duhamel, G.

8. 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 : Autor(es): Bidenko, V.G. and I.G. Istomin

9. 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 : Autor(es): Francis, M.P. and C. Ó Maolagáin

10. 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 : Autor(es): Saunders, R.A., A.S. Brierley, J.L. Watkins, K. Reid, E.J. Murphy, P. Enderlein and D.G. Bone

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