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1. Fishery Report: Dissostichus eleginoides South Sandwich Islands (Subarea 48.4)

   ), and the adoption of Conservation Measure 44/XI, which set a precautionary catch limit for D. eleginoides of 240 ... a precautionary catch limit for D. eleginoides of 28 tonnes per season. In addition, the taking of D. mawsoni ... -XXIV, paragraphs 4.113 to 4.117). The experiment required a revision of the catch limit ... 1). 7. The total catch of D. eleginoides in 2007/08 represents 98% of the precautionary catch limit ...

   Document : Site Section: Publications

2. Reports on abundance and biological information on toothfish in Divisions 58.4.4a and 58.4.4b by Shinsei Maru No. 3 in 2011/12 season

   during the survey in two SSRUs (B & C) of Ob Lena Bank. Total catch (excluding tagged and released ... 91.3 % to the total fish catch (31 tonnes). Mean CPUEs of D. eleginoides was in the SSRUs were 6.7 ... of size between the fish released with tag and that of overall catch was high (θ=81 %). Fish with good ... the survey in two SSRUs (B & C) of Ob Lena Bank. Total catch (excluding tagged and released fish ...

   Meeting Document : WG-SAM-12/16 : Author(s): K. Taki, T. Iwami, M. Kiyota and T. Ichii (Japan)

3. Results of the third CCAMLR sponsored research survey to monitor abundance of subadult Antarctic toothfish in the southern Ross Sea, February 2014 and development of the time series

   surveys. The 2014 survey was successful in completing all the planned stations. Standardised catch rates ... commercial catch rates in the core area have been highly variable throughout the history of fishing ... for monitoring recruitment. Stations in the experimental stratum near Ross Island had high catch rates and much ... was successful in completing all the planned stations. Standardised catch rates for the core strata showed ...

   Meeting Document : WG-FSA-14/51 : Author(s): S. Mormede, S.J. Parker, S.M. Hanchet, A. Dunn (New Zealand) and S. Gregory (United Kingdom)

4. A simulation study of krill fishing by an individual Japanese trawler

   . Generally the indices respond by dropping relatively less than the proportional biomass decrease. Catch ... statistics collected at present (centred primarily on catch per fishing time) are of low utility in detecting ... biomass decline. Combination catch rate indices incorporating within-concentration search time give ... . Generally the indices respond by dropping relatively less than the proportional biomass decrease. Catch ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 1–108 : Author(s): Butterworth, D.S.

5. An assessment of toothfish in Subarea 48.3 using CASAL

   with different selectivities, and fitted to catch length frequencies, tag recapture data, CPUE data ... , and the survey recruitment series (treated as a relative index). This produced excellent fits to the catch length ... assessment. This alternative assessment produced worse fits to the catch length frequencies, and a poor fit ... with different selectivities, and fitted to catch length frequencies, tag recapture data, CPUE data ...

   Meeting Document : WG-FSA-05/16 : Author(s): R.M. Hillary, G.P. Kirkwood and D.J. Agnew (United Kingdom)

6. Preliminary standardised CPUE analysis of the New Zealand toothfish fishery in Subarea 88.1 from 1997/98 to 2001/02

   Abstract:  This report provides the first analysis of standardised catch per unit of effort (CPUE ... ) analysis reviewed catch from 1998 to 2002 (excluding the 1997 season as insufficient data were available ... reviewed CPUE from the two main vessels involved in the fishery, and reviewed their catch from the main ... This report provides the first analysis of standardised catch per unit of effort (CPUE) from ...

   Meeting Document : WG-FSA-02/41 : Author(s): R.G. Blackwell and S.M. Hanchet (New Zealand)

7. A simulation study of krill fishing by an individual Japanese trawler (SC-CAMLR-VI/BG/37)

   the proportional biomass decrease. Catch statistics collected at present (centred primarily on catch per fishing ... time) are of low utility in detecting biomass decline. Combination catch rate indices incorporating ... . Generally the indices respond by dropping relatively less than the proportional biomass decrease. Catch ... statistics collected at present (centred primarily on catch per fishing time) are of low utility in detecting ...

   Meeting Document : WS-KCPUE-89/04 : Author(s): D.S. Butterworth (South Africa)

8. A simulation study of krill fishing by an individual JAPANESE trawler

   the proportional biomass decrease. Catch statistics collected at present (centred primarily an catch per fishing ... time) are of low utility in detecting biomass decline. Combination catch rate indices incorporating ... . Generally the indices respond by dropping relatively less than the proportional biomass decrease. Catch ... statistics collected at present (centred primarily an catch per fishing time) are of low utility in detecting ...

   Meeting Document : SC-CAMLR-VII/BG/37 : Author(s): D.S. Butterworth (Invited Expert)

9. Influence of tag numbers, size of tagged fish, duration of the tagging program, and auxiliary data on bias and precision of an integrated stock assessment

   recaptures and maximise the likelihood of a robust assessment. (2) Using catch-at-age data instead of catch ... and maximise the likelihood of a robust assessment. (2) Using catch-at-age data instead of catch-at-length data ... and maximise the likelihood of a robust assessment. (2) Using catch-at-age data instead of catch-at-length data ...

   Meeting Document : WG-SAM-12/24 : Author(s): P.E. Ziegler (Australia)

10. Analysis of longline fleet operation on the Patagonian toothfish (Dissostichus eleginoides) in the subarea of the South Georgia Island (48.3) in 1989–2003

    Abstract:  The main characteristics of Patagonian toothfish (Dissostichus eleginoides) catch ... in catches both for 1000 hooks and vessel/day. The given objective long-term data evidenced a substantial ... decrease in catch per unit value and necessity of the more attentive approach to the assessment ... The main characteristics of Patagonian toothfish (Dissostichus eleginoides) catch dynamics off ...

    Meeting Document : WG-FSA-03/98 : Author(s): N.V. Kokorin and A.F. Petrov (Russia)

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