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1. Reports on abundance and biological information on toothfish in Division 58.4.4 a and b by Shinsei Maru No. 3 in 2010/11 season

   described the results during the survey in two SSRUs (B & C) of Ob Lena Bank. Total catch (excluding ... fish released alive) of Dissostichus eleginoides and other by-catch species was 37.8 tonnes ... in the survey area in 70 longline sets. D. eleginoides showed the highest catch of 35.4 tonnes, contributing ... 93.6 % to the total catch. CPUEs of D. eleginoides for 56 hauls where only trotline system was adopted ...

   Meeting Document : WG-SAM-11/06 : Author(s): K.Taki, T. Iwami and M. Kiyota (Japan)

2. Revised reports on abundance and biological information on toothfish in Division 58.4.4 a and b by Shinsei Maru No. 3 in 2010/11 season

   the survey in two SSRUs (B & C) of Ob Lena Bank. Total catch (excluding fish released alive ... ) of Dissostichus eleginoides and other by-catch species was 37.8 tonnes in the survey area in 70 longline sets ... . D. eleginoides showed the highest catch of 35.4 tonnes, contributing 93.6 % to the total catch. Mean CPUEs ... the CPUE in terms of number was same level between the years.  This may be due to the catch of small fish ...

   Meeting Document : WG-FSA-11/14 : Author(s): K. Taki, T. Iwami and M. Kiyota (Japan)

3. Analysis of the toothfish fishery indices in Subareas 88.1 and 88.2 when using different types of longline gears

   used at the fishery, the catch indices were normalized to 1000 hooks.  The effect of the gear types ... hooks), by-catch CPUE (kg/1000 hooks) and normalized target catch ratio is considered. Particular ... attention was focused to the analysis of the length-species compositions of catch by years and SSRU while ... used at the fishery, the catch indices were normalized to 1000 hooks.  The effect of the gear ...

   Meeting Document : WG-SAM-17/23 : Author(s): S. Kasatkina

4. Analysis of the toothfish fishery indices in Subareas 88.1 and 88.2 when using different types of longline gears

   used at the fishery, the catch indices were normalized to 1000 hooks.  The effect of the gear types ... ), by-catch CPUE (kg/1000 hooks) and normalized target catch ratio is considered. Particular attention ... was focused to the analysis of the length-species compositions of catch by years and SSRU while using ... at the fishery, the catch indices were normalized to 1000 hooks.  The effect of the gear types (autoline ...

   Meeting Document : WG-FSA-17/56 : Author(s): S. Kasatkina

5. Selectivity-induced bias in growth parameter estimates

   of being included in catch samples. Fish were included in catch samples from the population ... in Subarea 48.3. Substantial selectivity-induced bias was demonstrated, with the simulated catch sample data ... . The simulated catch sample data and the growth parameter estimates were similar to those reported by Belchier ... in catch samples. Fish were included in catch samples from the population with probability equal ...

   Meeting Document : WG-FSA-SAM-05/19 : Author(s): G.P. Kirkwood (United Kingdom)

6. Towards the development of a stock assessment for Patagonian toothfish in Division 58.4.4, SSRU C on Ob and Lena Banks

   assessment of stock status of D. eleginoides in SSRU C in Ob-Lena Banks was made using a CASAL catch ... -at-length model. In this preliminary assessment, the model was started in 1990 and catch, proportions ... at length in the catch, and recapture data from SSRU C from 2007/08 to 2011/12 were fitted in the model ... model is the historical IUU catch. The current model only includes the catch history since 2007/08 ...

   Meeting Document : WG-FSA-12/59 : Author(s): K. Taki (Japan)

7. Distribution of krill (Euphausia superba Dana) catches in the South Shetlands and South Orkneys

   around the coasts of the South Shetland and South Orkney Islands. Krill catches in these zones are shown ... as a result of more variable hydrographic conditions. About 50% of the catch in Subarea 48.1 from December ... 75% of the catch in Subarea 48.2 between December and March was taken within 80 km of colonies ... are used to show that for some years, at distances of between 20 and 60 km from predator colonies catches ...

   Meeting Document : WG-KRILL-92/19 : Author(s): D.J. Agnew (Secretariat)

8. A generalised model for evaluating yield and the long term status of fish stocks under conditions of uncertainty

   under a specified catch regime. The model uses an adaptive Runge-Kutta procedure to evaluate stock ... trajectories and catch rates over a simulation period. In particular, this procedure calculates catches over ... also includes an option for a stock to experience a known catch history before the constant catch ... a specified catch regime. The model uses an adaptive Runge-Kutta procedure to evaluate stock trajectories ...

   Meeting Document : WG-FSA-95/41 : Author(s): de la Mare, W.K., Constable, A.J.

9. Fishes caught along with the Antarctic krill in the vicinity of the South Georgia Island during the austral winter months of 1992

   Abstract:  Observations on abundance of by-catch fishes were made during the austral winter months ... found in 20 trawl catches. Among by-catch fishes, juvenile Lepidonotothen larseni was the most abundant ... (62 specimens; 93.9% in number; 58.9% of total weight of by-catch fish). Standard length (SL ... ) were also found, but no other fish species was recognized in our by-catch samples. The abundance ...

   Meeting Document : WG-KRILL-93/51 : Author(s): T. Iwami (Japan)

10. Krill fishery report: 2005 update

    catch of krill for the season is approx 142000 t. This compares with 118166 t of krill reported in 2003 ... /04. One monthly catch and effort report is overdue for 2004/05, and some fine-scale data are overdue ... for 2003/04. The report includes: Availability of fishery and observer data; Time series of catch by season ... , Contracting Party and small-scale management unit; Species composition of by-catch; Occurrence of incidental ...

    Meeting Document : WG-EMM-05/5 : Author(s): Secretariat

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