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1. 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 ...

   Meeting Document : WG-FSA-17/56 : Автор(ы): S. Kasatkina

2. 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. The ... current model is the historical IUU catch. The current model only includes the catch history since 2007/08 ...

   Meeting Document : WG-FSA-12/59 : Автор(ы): K. Taki (Japan)

3. Update of the integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) for the Heard and McDonald Islands (Division 58.5.2)

   updating total removals by sub-fishery and updating catch-at-age and catch-at-length proportions was the ... otoliths collected and aged for each annual RSTS since 2008. Catch-at-length proportions for the commercial ... -estimated trends in catch rates. A change of substantial consequence from the 2009 integrated assessment was ... CASAL from catch-at-age and aged mark-recapture data as described in Candy et al. (2011). The ...

   Meeting Document : WG-FSA-11/24 : Автор(ы): S.G. Candy and D.C. Welsford (Australia)

4. 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 ...

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

5. 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) of L ... ) were also found, but no other fish species was recognized in our by-catch samples. The abundance of ...

   Meeting Document : WG-KRILL-93/51 : Автор(ы): T. Iwami (Japan)

6. A brief exploitation of the stone crab Lithodes murrayi (Henderson) off south west Africa, 1979/80

   November 1979 and April 1980, the fishery being terminated when the catch per unit effort fell to an ... uneconomic level. The extent of the L. murrayi grounds is examined on the basis of catch-per-unit-effort data ... applied in this area of high concentration, accounting for almost 95 per cent by mass of the total catch ... . Although the catch rate declined, the mean size of exploitable crabs and of undersize crabs stayed ...

   Meeting Document : WS-CRAB-93/21 : Автор(ы): R. Melville-Smith (South Africa)

7. Krill fishery report: 2005 update

   preliminary estimate of the total 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 ... ; Time series of catch by season, Contracting Party and small-scale management unit; Species composition ... of by-catch; Occurrence of incidental catches of seabirds and mammals; Development of measures of ...

   Meeting Document : WG-EMM-05/5 : Автор(ы): Secretariat

8. A summary of the commercial fishery for mackerel icefish Champsocephalus gunnari in Subarea 48.3 during the 1997/98 season

   days between 25 December 1997 and 5 January 1998. The total catch of C. gunnari was 5.04 tonnes in 34 ... hauls. 67% of this catch was taken in just two hauls, confirming the patchy distribution of this species ... . Most of the catch was made up of fish between 22 and 30 cm long. Fish of this size range have ... previously been shown to be ages two and three. The catch of species other than C. gunnari amounted to only ...

   Meeting Document : WG-FSA-98/53 : Автор(ы): G. Parkes, A. King and C. Jones (United Kingdom)

9. Krill distribution variability and fishery conditions within the local ground of Subarea 48.3 in June 1991

   coefficient of catch per a houl of BMRT type vessel amount to V = 0.7, that of a trawl catchability V = 0.197 ... coefficient of possible catch per fishing day (over 24 hours) is only V = 0.13. At considerable variations of ... krill distribution characteristics daily catch of vessels with higly efficient technological equipment ... , such as catch per an hour haul, is more sensitive. Author(s):  Kasatkina, S.M. Title:  Krill ...

   Meeting Document : WG-EMM-95/04 : Автор(ы): Kasatkina, S.M.

10. Fishes caught along with the Antarctic krill in the vicinity of the South Shetland Islands during the austral summer months of 1994

    Abstract:  Observations on abundance of by-catch fishes were made during the austral summer months ... in 25 trawl catches (Table 1). Among by-catch fishes, juvenile Lepidonotothen larseni was the most ... of krill concentration (Figs. 1 and 2). The large incidental catch of fishes occurred in hauls with ... the low krill catch rates (Hauls. 36 and 47), and fishes are not found or rare within krill swarms of ...

    Meeting Document : WG-Krill-94/25 : Автор(ы): T. Iwami (Japan)

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