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1. Analysis of variability of krill size and fish by-catch in the Japanese krill fishery based on scientific observer data

   and vessels. The potent interaction effect between year and subarea suggests large spatio–temporal variability ... hardly show difference among years, subareas and vessels. The potent interaction effect between year ... , subareas and vessels. The potent interaction effect between year and subarea suggests large spatio ... , subarea effect and their interaction effect on the variation of krill length as follows: ij i j ijY ... and γij represent the effect of year i, the effect of subarea j, and their interaction effect ... the year effect, the subarea effect, and their interaction effect on the variation of the number ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 31–47 : Author(s): Okuda, T. and M. Kiyota

2. Geographical differences in the condition, reproductive development, sex ratio and length distribution of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (CCAMLR Subarea 88.1)

   ) reported that in ovarian sections of D. mawsoni taken in the Ross Sea during autumn 2001 at the onset ... limited data col- lected during April and May of the 2000/01 and 2001/02 seasons. Fish condition ... in the north took place in March 2001, March and December 2002, February and December 2003, December 2004 ... of the continuous daylight period and thence seasonal changes in day and night length. It was noted over the 2001 ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 27–45 : Author(s): Fenaughty, J.M

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

   in clear polyester casting resin and cured at room temperature for 24 hours. Four otolith sections, each ... , ensuring that the otolith primordium was included. Sections were cleaned with alcohol, immersed in resin ... clearly discernable on the ventral side of the otolith sections. Figure 1 shows the position ... 3 Developing Developed 4 Gravid Ripe 5 Spent Spent Figure 1: A transverse section of a Macrourus carinatus ...

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

4. Demographic characteristics of the Adélie penguin population on Béchervaise Island after 12 years of study

   was commenced in 2001; this paper presents results of these analyses and extends the initial demographic ... from 1990/91 to 2001/02. The Adélie penguin colony on this island consists of approximately 2 000 ... and 2001/02. Thus individuals initially tagged at Béchervaise Island and later found breeding on other ... period (mid-November) were determined for each of the breeding seasons from 1990/91 to 2001/02. Counts ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 53–74 : Author(s): Clarke, J., L.M. Emmerson, A. Townsend and K.R. Kerry

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

   catch limit is calculated using the results of the trawl survey carried out during August 1997 ... previous surveys and results from a new survey carried out in August 1997. A precautionary catch limit ... AND SIZE AT FIRST SPAWNING C. gunnavi on the Heard Plateau and Gunnari Ridge spawn in August/September ... in the Gunnari Ridge/Heard Plateau area in September 1993 and August 1997. Fish at stage 2 (developing ...

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

6. Investigation of bias in the mark–recapture estimate of toothfish population size at South Georgia

   Georgia Figure 3: CPUE density interpolated from all data from 2001 to 2004 in box 14, showing also ... represent mean effort (in hooks) from 2001 to 2004, with the diameter of the circles being proportional ... 2001 and 2002, but without the tag–recapture element. Thus move- ment and natural mortality of tags ... size, growth and selectivity. These issues may have a part to play in creating further levels of bias ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 47–63 : Author(s): Agnew, D.J., G.P. Kirkwood, J. Pearce and J. Clark

7. Timing of clutch initiation in Pygoscelis penguins on the Antarctic Peninsula: towards an improved understanding of off-peak census correction factors

   abundance (Bidigare et al., 1996; Smith et al., 2001; Murphy et al., 2007), and phyto- plankton abundance ... Section Data Catalogue7. Ice extent Average monthly sea-ice coverage for all sites was taken as reported ... (between 2001 and 2002 at both Cape Shirreff and Admiralty Bay). It has been assumed throughout ... not permit further investigation of this issue. Future advance- ments in the modelling of nest attrition ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 149–165 : Author(s): Lynch, H.J., W.F. Fagan, R. Naveen, S.G. Trivelpiece and W.Z. Trivelpiece

8. Distribution of fish larvae at South Georgia: horizontal, vertical, and temporal distribution and early life history relevant to monitoring year-class strength and recruitment

   ". 1. WINTER SOUTH GEORGIA ZONE SURVEY, 28 JULy TO 21 AUGUST, 1983 Methods The study was a grid survey ... of the population. It would also be pertinent to measure the wind strength and direction in the bay during August ... Champsocephalus gunnari hatch at about 12.5 mm total length in August to October. An average growth rate of 0.35 ... S 1 ,--------,---------,1---------1,--------,1---------1 1 0 2 3 4 5, nm (b) vertical section. Figure 26 CUmberland East Bay, station sampled along 1-3. Depth ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 105-141 : Author(s): North, A.W.

9. 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

   abundance. Punt et al. (2001) investigated mean length and the upper 5th percentiles of length (and weight ... (variable rec) Individual trial specifications Reference year 2000 First year of projection 2001 ... al., 2001; Somerton and Kobayashi, 1991; Cope and Punt, 2009). The simulation results presented ... , although issues with regards to ageing errors of otoliths and the representativeness of samples re- main ...

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

10. Beyond MSY: a consideration of definitions of management objectives

    populations behave, and that not enough account is taken of interactions between species and variability ... The previous section suggests that if a stock could suffer from both recruitment and growth overfishing ... . Knowledge of the interactions between krill and other species is still far from enabling a target ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 299-322 : Author(s): Gulland, J.A.

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