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

   simulation of releases by box over multiple years. The model performed as expected with test situations ... years. The model performed as expected with test situations. It produced a near-perfect estimate ... released in that and earlier years 40 W 43 3 0' W 48 0 0' W M an ag em en t A re ... S 2 0 0 0 m 1 0 0 0 msh ag W s ha g N W ge or gi a S ge or gi a E ge or gi a 20 03 20 04 Release positions ... of tags released in that and earlier years Fi gu re 1 : D is tr ib ut io n of t ag a nd ... , whilst retaining the aver- age movement for the whole of South Georgia and Shag Rocks at 10 km/year ...

   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

2. WG-KRILL-93

   N. Kimura, Y. Okada, S. Matsumura and Y. Sugimori (Japan) WG-KRILL-93/40 Krill length and age at maturity ... (Japan) WG-KRILL-93/16 A review on the feeding conditions of the baleen whales in the Southern Ocean ... . Kishi and M. Naganobu (Japan) WG-KRILL-93/20 Report of an examination of the acoustic data from RV ... (Japan) WG-KRILL-93/30 Winter gut contents of the Antarctic krill (Euphausia superba Dana) collected ...

   Meeting

3. Fishery Report: Champsocephalus gunnari Heard Island (Division 58.5.2)

   for C. gunnari, starting at 2.5 years and fully selected at age 3. Recruitment 14. The short-term projection ... that the age-2+ cohort contributes the highest biomass of animals and is also the most abundant numerically ... 10 years Oldest age in initial structure 11 years I nitial population structure A ge ... of runs in simulation 1 Individual trial Years to remove initial age structure 1** specifications ...

   Document : Site Section: Publications

4. Documents from the 2nd session of the Second Special Antarctic Treaty Consultative Meeting

   /1 Rev. 1 Interim provisions (30.13 KB) Delegation of Chile WP/2 Proposed article prohibiting measures ... WP/19 Revision of Article VIII, para 2 presented by the Presidency; Conservation Measures (30 KB ... ) Presidency WP/20 Revision of Article II, para 3 presented by the Presidency: Objective (28.17 KB) Presidency ... WP/20/Rev. 1 Revision of Article II, para 3 (28.76 KB) Presidency WP/21 Proposed amendments ...

   Page : Site Section: The Organisation

5. An integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) for the Heard and McDonald Islands using CASAL

   data. A key uncertainty is the number of ages fully selected by the main survey series. With all ... the data included in the model, age-4 and 5 fish are fully selected, whereas when the survey data have ... greater influence and without the tag data, the selectivity of these ages was reduced. The method ... exclusion of the tag data. A key uncertainty is the number of ages fully selected by the main survey series ... of the coefficient of variation (CV) for length given age, (ii) use of non-informative pri- ors for year-class ... that the CV in year-class strength (YCS – number of annual age-1 recruits relative to the median pre- fishery ... ). The maximum age was set to 35 years since the model of Candy et al. (2007) gives unrealistically high ... average length-at-age as age is increased much past 35 years because of the lack of available data ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 1–34 : Author(s): Candy, S.G and A.J. Constable

6. Fishery Report: Dissostichus eleginoides Heard Island (Division 58.5.2)

   C-at-age f6 TOP 58.5.2 20 Figure 13: Estimates of year-class strength (showing ± SE bars ... 58.5.2 was estimated in WG-FSA-09/20, including large amounts of catch-at-age data for the first time ... , and effective sample sizes for catch-at-length and catch-at-age proportions by sub-fishery and year are given ... for all years except 2006 and 2007 for which there were sufficient aged fish from otoliths collected ...

   Document : Site Section: Publications

7. Preliminary study on the breedings of chinstrap and gentoo penguins at Barton Peninsula, King George Island

   in the following years. Some suggestion for the further research in this rookery are also mentioned. Author ... raised successfully to the creche stage was used as a measure of breeding success. Of the whole nests ... chicks were raised to the creche stage. Of the nests which were active until the conclusion ... , December respectively for gentoos and chinstraps. The number of chicks per nest which were raised ...

   Meeting Document : WG-CEMP-93/23 : Author(s): H.-C. Shin and S. Kim (Republic of Korea)

8. Fishery Report: Dissostichus eleginoides Heard Island (Division 58.5.2)

   , and effective sample sizes for catch-at-length and catch-at-age proportions by sub-fishery and year are given ... ) 1452.5 (31) 1481.3 (32) 1509.6 (33) 1537.3 (34) 1564.5 (35) (year) mm CV of length-at-age CVVB ... in the CASAL model for all years except 2006 and 2007 for which there were sufficient aged fish from otoliths ... collected during the survey to determine abundance-at-age using survey- and year- specific age–length keys ...

   Document : Site Section: Publications

9. Fishing and conservation in southern waters

   . The former Soviet Union has been the most important fishing nation, taking 80-90 % of the entire catch. Up ... Soviet Union has been the most important fishing nation, taking 80-90 % of the entire catch. Up to 1992 ... and the Kerguelen Islands. After 15 years of exploitation, most fish stocks have been heavily depleted. The krill ... catch from the Southern Ocean has been 4.9 million tonnes to date. More than 90 % of this catch ...

   Meeting Document : SC-CAMLR-XII/BG/11 : Author(s): Delegation of Germany

10. Estimating optimal observer coverage in the Antarctic krill fishery

    on board for about 30% of that season. They have achieved a rate of krill sampling equivalent to 18 ... , 20% of total season hauls sampled for krill and an equivalent or higher sampling proportion ... suggest that such strategies should be pursued for at least four years before the Scientific Committee ... on board for about 30% of that season. They have achieved a rate of krill sampling equivalent to 18 ... in the Results section. This allowed the relation between cover- age (reflected in values ... hauls and aver- age krill sampling per vessel of 18% of total hauls (Table A1). For the larval fish ... by-catch rate, an aver- age of 95% of observed trawls per vessel were sam- pled in 2008, yielding ... variability in larval fish occurrence in the water column (Ross et al., 2006) requires observer cover- age ...

    Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 139–154 : Author(s): Agnew, D.J., P. Grove, T. Peatman, R. Burn and C.T.T. Edwards

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