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1. Proposal for a skate tagging program in the Ross Sea region to estimate the local biomass trend for starry skates (Amblyraja georgiana)

   for skates in the Ross Sea region, we summarise skate catch and mark-recapture data through the 2016 ... annually). Catch data show that most of the skate catch consists of Amblyraja georgiana and that this ... biomass. Much of the A. georgiana catch occurs in SSRUs 88.1H and 88.1I in an area remaining open to ... the 2010–2016 seasons (excluding 2012). We estimated that the exploitation rate of the current catch ...

   Meeting Document : WG-FSA-18/38 Rev. 1 : Автор(ы): S. Parker and M. Francis

2. Sensitivity investigation of the SDWBA Antarctic krill target strength model to fatness, material contrast and orientation

   . (1998) starved animals, was considered as the lower limit and the latter, i.e. the default value for ... the SDWBApackage20050603, to represent the upper limit for krill. In addition, the model was ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 97–122 : Автор(ы): Calise, L. and G. Skaret

3. Report on scientific observations onboard the Chilean longliner, ‘Puerto Ballena’, in Statistical Subarea 48.3 from March to May 1996

   D. eleginoides, the estimation of the finfish by-catch, the estimation of a conversion factor of ... associated with the longline operations. The catch of D. eleginoides was mainly comprised of specimens of 70 ... -130 cm whith the proportion of females in the catch exceeding those of males in fish larger than 1 10 ... considerable portion of the seabird by-catch. A by-catch of 159 dead seabirds was reported by the scientific ...

   Meeting Document : WG-FSA-96/22 : Автор(ы): Selling, J., Kock, K.-H.

4. 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 : Автор(ы): Hillary, R.M., G.P. Kirkwood and D.J. Agnew

5. 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

6. 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 : Автор(ы): G.B. Nowara, S.G. Candy and T. Lamb (Australia)

7. 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 : Автор(ы): Siegel, V.

8. 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 : Автор(ы): Litvinov, F.F., A.Z. Sundakov and V.I. Arkhipov

9. 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 : Автор(ы): Submitted by IUCN

10. 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 : Автор(ы): P. Ziegler

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