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1. Distribution characteristics of krill aggregations in the fishing ground off Coronation Island in the 1989/90 season

   yellow 14 -light-green/green liver 15 - dark-green/green liver 65 20 40 60 1:30 10 ... 1 ... - • • ,... • · I '\ • • · I \ • · , ,. · I 4 . , . ~ • • I . • • I.' • ..... ' -'. . . ~ I i r)('-~ " . ..~ t. a. • I ,~ ... • \ I ~,~'P • .. 4 , • . \ \: I ' .... -.- ~:...-., '. \ ~ ...... , 1"'""' .. ~.\ -- . o\~. P . • . • . • 20 30 • • t • , "' ... I' 50 t I· ... ··"· ", • . 0 . 01 ... WG-KRILL-90/20 DISTRIBUTION CHARACTERISTICS OF KRILL ... ,ltapTHbIM pa3HOr JIy6HHHblM TpaJIOM C ropH30HTaJIbHblM pacKpblTHeM Me>K,lty KPblJIbSIMH B 33 M. 3a nepHo ... Paper Title:  Distribution characteristics of krill aggregations in the fishing ground off ... Coronation Island in the 1989/90 season Abstract / Description:  Distributional characteristics of krill ... aggregations in the Coronation Island fishing ground were examined in relation to environmental factors, the ... common types of krill aggregations were recorded in the Coronation Island area over the observation ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 49–73 : Author(s): Kasatkina, S.M. and V.I. Latogursky

2. On the power to detect changes using the standard methods for monitoring parameters of predatory species

   changes of 10%, 20% and 30% of the mean value (males, 12.4 days; females, 10.0 days) for the 5 years ... and by females was 3.9 days. The requisite sample sizes for detecting changes of 10%, 20% and 30% of the mean ... , for detecting changes of 10%, 20%, and 30% of the mean values are shown for Adelie and chinstrap penguins ... estimated the sample sizes required to detect changes of 10%, 20%, and 30% of the mean values for Adelie ... trip duration (C2.0). The other Standard Methods are not evaluated because the power analysis in the ... considered here are insufficient for conducting power analyses (penguin arrival weight A1.1, trend in penguin ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 377–397 : Author(s): Boveng, P. and J.L. Bengtson

3. Some thoughts on precautionary measures for the krill fishery

   of the spawning biomass dropping below 20% of its pre-exploitation median level over a 20-year harvesting period ... is 10%; and the median krill escapement1 in the spawning biomass over a 20-year period is 75 ... estimates can be made, leading to more precise conservation measures. Article I1 of the CCAMLR Convention ... that with a lifespan of five to seven years, at least two generations of krill have passed through the system since ... (WG-Krill) is discussed and it is concluded that such a method is appropriate in setting an overall ... precautionary catch limit in large areas, such as Statistical Area 48, but the approach requires considerable ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 1–11 : Author(s): Everson, I. and W.K. de la Mare

4. Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)

   mode. This indicates that the modes represented year classes and that one translucent zone is formed ... annually in otoliths of juvenile D. mawsoni. Mean fish lengths at ages 0.5, 1.5, 2.5 and 3.5 years were ... years. Counting translucent zones in the otoliths of D. mawsoni appears to be a valid method ... been injected with oxytetracycline some years before recapture. The six recaptured fish were all large ... to 4.0 cm yr-1 for fi sh aged from 15 to 30 years. It is interesting that all the points from ... are shown as diamonds connected by lines. 0 20 40 60 80 100 120 140 160 180 0 5 10 15 20 25 30 ... -901, Kilbirnie Wellington, New Zealand A.L. DeVries Department of Animal Biology University ... represented year classes and that one translucent zone is formed annually in otoliths of juvenile D. mawsoni ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 125–138 : Author(s): Horn, P.L., C.P. Sutton and A.L. DeVries

5. Catch per unit effort (CPUE) data from the early years of commercail krill fishing operations in the Atlantic sector of the Antarctic

   Paper Title:  Catch per unit effort (CPUE) data from the early years of commercail krill fishing ... 1975/76 to 1987/88. Comparisons are carried out between subareas in single years, between years ... between subareas, years and shelf/oceanic regions. Obviously, a consistent pattern of CPUE values does ... not occur over time for the entire area. High average CPUE were observed in the years 1975/76 and 1980/81 ... indices: (i) total catch/total hours for the split-year (1 July to 30 June); (iii) mean monthly ... ; (b) from a scientific (IKMT) net sampling survey. Siege1 et al. 10 20 30 40 50 60 70 Total length ... (mm) 10 20 30 40 50 60 70 Total length (mm) Figure 5: Overall length-frequency distributions ... 12 10 15 20 25 30 35 40 45 50 55 60 65 Total length (mm) (f) Season 1985186 10 15 20 25 30 35 ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 31–50 : Author(s): Siegel, V., V. Sushin and U. Damm

6. A review of the diet and at-sea distribution of penguins breeding within the CAMLR Convention Area (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   animal, but it is less intrusive than killing birds for dissection. Food recovered from stomachs ... / C12; δC13). δN15 gives an indication of the trophic level at which an animal feeds, while δC13 indi ... several months or years and feathers the period prior to moult. Biodegradable samples (blood or flesh ... ) need to be stored in 70% alcohol or frozen at –20°C, but feathers, toenails, eggshell and bone ... in an ecologically sensitive manner demands that catches do not depress stocks within the foraging ... . These models require information on the number of predators in a population, their nutritional demands ... , their diet composition and their seasonal distribution in the marine environment. This paper reviews all ... published information on the diet and at-sea distribution of the six penguin species that breed in the CAMLR ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 75–114 : Author(s): Ratcliffe, N. and P. Trathan

7. Significant conservation benefits obtained from the use of a new fishing gear in the Chilean Patagonian toothfish fishery

   % of the total catch in 2006. The fishers who developed the net sleeve modification called it ‘cachalotera’ (from ... of the catch from a maximum of 5% in 2002 to a maximum of 0.36% of the total catch in 2006. The fishers who ... ‘Net sleeve’ Ø~2–3 cm Ø~70–74 cm Ø~30 cm Ø~10–15 cm ~100–120 cm Hooks Snoods ~20 cm ~15 cm ... who have been working with us in recent years: Keno Olivares, Patricio �arrientos, Juan Harries ... of 5% in 2002 to a maximum of 0.36% of the total catch in 2006. The fishers who developed the net sleeve ... side of the hauling bay of vessels and changes in the fishing season to the time of year in which ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 79–91 : Author(s): Moreno, C.A., R. Castro, L.J. Mújica and P. Reyes

8. CCAMLR ecosystem monitoring and management: future work

   scale during the early stages of the fi shery and to 0 1 2 3 0 1 2 3 D en si ty 0 10 20 30 ... de krill. Il met en relief la nécessité de diriger les prochains travaux sur ces domaines, en ... by the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) since 1982. Article IX ... . There was no clear process for assessing such evidence during the formative years of CCAMLR. Decisions were made ... :  Harvesting of marine living resources in the Southern Ocean is managed by the Commission for the Conservation ... managing fisheries with the maintenance of ecological relationships included in the conservation objectives ... . In the late 1980s, CCAMLR’s precautionary approach was developed, incorporating principles of how to ... use scientific evidence in the decision-making process. Even though this approach was based on the ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 233–253 : Author(s): Constable, A.J

9. Movement, growth and available abundance to the fishery of Dissostichus eleginoides Smitt, 1898 at Heard Island, derived from tagging experiments

   e nu m be rs (m ill io ns ) 1998 1999 2000 2001 Year 0 10 20 30 40 50 Pr ed ic te d nu ... m be rs (m illi on s) 1998 1999 2000 2001 Year 50 40 30 20 10 0 P re di ct ed n um be rs ... – r ec ap tu re lo ca ti on s. 20 00 30 00 40 00 40 00 30 00 30 00 20 00 10 00 50 ... B 55 8 70 7 77 8 1 15 5 22 10 7 20 4 30 6 Fi sh in g gr ou nd C 23 7 50 51 0 18 ... Patagonian toothfish (Dissostichus eleginoides) in different sectors of the Southern Ocean are considered to ... be genetically distinct. However, in the Indian Ocean, it is largely unknown whether stocks are ... separation using tagged fish from the fishery around Heard Island and McDonald Islands (HIMI) in the ... Australian Exclusive Economic Zone (EEZ). Movement, growth and trends in fish abundance are examined using ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 33–48 : Author(s): Williams, R., G.N. Tuck, A.J. Constable and T. Lamb

10. Assessing the power to detect systematic change in Adélie penguin foraging trip duration

    constructed and fitted to data collected at Béchervaise Island over a 12-year period when only natural ... , but variability among years was greater in the guard stage. Estimates of variability were used to explore ... or trips sampled diminished rapidly when sample sizes were greater than 30 penguins and three trips per ... of days to weeks, because of the high level of natural between-year variation, it would take many years ... in the single case of 30 years of moni- toring during the crèche period with a Type I error rate of 0.20 ... a number of impact (step, ramp and trend increases of 25%) and monitoring (1–10, 15, 20, 25 and 30 years ... ), and thereafter remains constant (ramp change), and (iii) the effect size is reached after 30 years (0.75 ... monitoring (1–10, 15, 20, 25, 30), and with and without ice cover as a covariate. Power calculations were ...

    Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 201–215 : Author(s): Southwell, C., J. Clarke and L.M. Emmerson

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