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1. An assessment of toothfish in Subarea 48.3 using CASAL

   catch level, which makes it a potential tool for determining the long-term catch limit, based on the ... stock, the available data include catch length-frequencies, standardised CPUE data, mark–recapture ... time for MCMC runs. Input data Official CCAMLR catch data were used to calculate catches in tonnes ... from 1985 to 20051 (Table 1). Catch proportions at length were calcu- lated from length-frequency ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 65–95 : Autor(es): Hillary, R.M., G.P. Kirkwood and D.J. Agnew

2. e-cc-xix-a4.pdf

   ... the Catch Documentation Scheme for Dissostichus spp. (CDS). These had been accommodated within the ... TENURE OF EXECUTIVE SECRETARY 18. The Committee noted the Commission’s requirement to limit to two application/pdf attached to:SCAF-00

   Meeting Report : SCAF-00

3. Results from the random stratified trawl surveys to estimate distribution and abundance of Dissostichus eleginoides and Champsocephalus gunnari in the Heard Island region (Division 58.5.2) for 2010 and 2011

   the average catch for the previous four years (2006-2009).  Catches of C. gunnari were very low, with ... the 2011 catch, at less than 0.5 t, 15% of the earlier four year average, and the 2010 catch being 60 ... % of the 2011 catch. In 2011 the abundance of L. squamifrons was higher, and C. rhinoceratus lower than ... were just below and just above average for 2010 and 2011 respectively. A notable increase in the catch ...

   Meeting Document : WG-FSA-11/23 : Autor(es): G.B. Nowara, S.G. Candy and T. Lamb (Australia)

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

   reached only a factor of 1:1.6. Krill mortality was calculated by linearized catch curve analysis and ... calculated by linearized catch curve analysis and resulted a rate of Z = 0.88 (1989/90) and Z = 0.96 (1987 ... time. Working with these 'pseudo-cohort' data we can apply the linearized catch curve equation with ... constant time intervals (Sparre et al., 1989) In C(tl,t2) = g - Zt Figure 4 shows the linearized catch ... regression analysis based on age composition data from various years (linearized catch curve method ...

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

5. CPUE indices used in Soviet krill fishery statistics from 1977 to 1992 and their possible utility for evaluation of relative changes in krill biomass

   possible utility for evaluation of relative changes in krill biomass Abstract / Description:  Key catch-per ... and primary data for their calculations, were examined. The main CPUE indices were catch per vessel ... -days fished (CVDF), catch per extended vessel-days fished (CEVDF) and catch per hour of trawling (CHT ... per day was higher. The correlation between catch and tow time was considered to be an indicator of ... @atlant.baltnet.ru Abstract Key catch-per-unit-effort (CPUE) indices used in Soviet krill fi shery statistics, as ... CPUE indices were catch per vessel-days fi shed (CVDF), catch per extended vessel-days fi shed (CEVDF ... ) and catch per hour of trawling (CHT). A relatively high correlation between mean monthly values of ... catch and tow time was considered to be an indicator of homogeneity in krill distribution. The utility ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 165–177 : Autor(es): Litvinov, F.F., A.Z. Sundakov and V.I. Arkhipov

6. CONTINUING CCAMLR’S FIGHT AGAINST IUU FISHING FOR TOOTHFISH EXECUTIVE SUMMARY OF THE REPORT BY TRAFFIC INTERNATIONAL AND WWF AUSTRALIA

   with WWF Australia that presents a trade-based assessment of toothfish catch for the period of 2003 ... -2007 with a view to provide an indication of the extent of the IUU catch. The report highlights that in ... the period 2004 to 2007 the percentage of trade represented by IUU catch is estimated to average 17 ... underestimating IUU catch by more than 50% annually. This analysis reinforces the need for ongoing vigilance by ...

   Meeting Document : CCAMLR-XXVII/BG/38 : Autor(es): Submitted by IUCN

7. Influence of data quality and quantity from a multiyear tagging program on an integrated fish stock assessment

   , particularly the effects of the size of tagged fish compared with the size of fish in the catch (tag size ... -overlap), numbers of tagged fish, duration of the tagging program, using catch-at-length or catch-at-age ... assessment. Biomass estimates were largely unaffected by the stock depletion level; however, using catch-at ... -age compared with catch-at-length improved recruitment estimates and resulted in more conservative ...

   Meeting Document : WG-FSA-13/P03 : Autor(es): P. Ziegler

8. Has krill fishing the potential to adversely affect recruitment in Antarctic notothenioid fishes?

   by-catch in fisheries targeting krill. The species composition of fish by-catch in krill fisheries is ... , the by-catch was substantial. Fish by-catch in krill fisheries has been discussed in WG-FSA since the ... 25 years later WG-FSA is still not in the position to estimate the amount of fish by-catch reliably ...

   Meeting Document : WG-FSA-14/66 : Autor(es): K.-H. Kock (Germany) and C.D. Jones (USA)

9. Report of biological observations carried out on board the krill fishing vessel More Sodruzhestva in April to August 1991

   observation of krill fishing operations, collection and processing of catch samples for analysing ... physiological status and size composition of krill and also for determining the level of by-catch of juvenile ... channichthyids. In general, krill density in Subarea 48.2 was twice as high as that in Subarea 48.3. Catch-per ... and 35 to 36 mm made up the bulk of catches in the south-east of the subarea. No by-catch of juvenile ...

   Meeting Document : WG-KRILL-92/06 : Autor(es): V.I. Latogursky (Russia)

10. Exploring variability in the locations used by the krill fishery in Area 48 in relation to intra- and inter-annual variability in seasonal sea ice

    Abstract:  We present preliminary analyses of krill fishery catch data covering the period ... . This often allows fishing to late June and, sometimes, throughout the winter. Overall, the mean catch ... location in Subarea 48.1 has shifted in recent years with most catch being taken south of the South ... Shetland Islands since 2008/09 in contrast to earlier years when the mean catch location was always to the ...

    Meeting Document : WG-EMM-14/11 : Autor(es): J. Silk, S.L. Hill and P.N. Trathan (United Kingdom)

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