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1. Defining fishing grounds in the Scotia Sea

   Abstract:  This paper provides a method for delineating krill fishing grounds in Area 48 based on ... commercial catch data for the region held in the CCAMLR database. It also summarises available information on ... sufficiently high on average over a number of years. We call this value the normalised longterm average catch ... (shortened to the term ‘normalised catch’). An important consideration is the threshold for the normalised ...

   Meeting Document : WG-EMM-02/40 Rev. 1 : Автор(ы): I.R. Ball and A.J. Constable (Australia), S. Kawaguchi (Japan) and D. Ramm (CCAMLR Secretariat)

2. Otolith and body size relationships in the mackerel icefish (Champsocephalus gunnari)

   measured and weighed and their effectiveness as predictors of fish length and fish mass determined. The two ... length. log,,-transformed data from all years with no restriction on range. The equation for all years ... (1990). An earlier study by Hecht (1987) was based on information from 52 otoliths, 25 of which came ... give the best predictions of total length, predictions using a common line for all years. we fitted ... logloL,, (SEs: constant 0.00738, slope 0.0151; Df = 1 021). The equation for all years using the full ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 117–123 : Автор(ы): Everson, I., B. Bendall and A. Murray

3. Fishery Report: Dissostichus eleginoides (TOP) Heard Island (Division 58.5.2)

   selectivity is high for 6-year-old fish and effectively declines to zero for fish older than 20 years. The ... bu nd an ce (m il) 2002 2004 2006 2008 2010 0 10 00 0 20 00 0 30 00 0 40 00 0 Year of ... longline gear is better able to catch older fish (>20 years) more efficiently than trawl gear for which ... fishery an extra selectivity function (Sel_f2_s2r) was fitted for recent years. These curves show the ...

   Document : Site Section: Publications

4. Comparative biological characteristics of Electrona carlsbergi (Tåning) (Myctophidae) from the notal and Antarctic areas in the Southern Ocean Atlantic sector

   the Southern Ocean Atlantic sector have been studied on the basis of the data for 1987-1989. Mean ... for fish from the notal area is, probably, 5 years. E. carlsbergi investigated in the Antarctic waters ... catches, occurred in much high amount to the east of 30°W. In the notal area the length of E. carlsbergi ... somewhat higher,with the highest increment being observed at the 1st and 2nd years of life. Limiting age ...

   Meeting Document : WG-FSA-90/21 : Автор(ы): K.V. Gorchinsky, V.M. Kiseleva and A.A. Filin (USSR)

5. Simulation experiments and CCAMLR yield estimates using CASAL

   present an example model for the fictitious fishery on a fictitious species Dissostichus spurious (Everson ... were fitted with an expected percent root mean squared error (%RMSE) of less than 20%. The inclusion of ... Abstract:  This paper describes an approach, using CASAL, to undertake operating model/estimation ... model experiments for Dissostichus spp., and methods for calculating CCAMLR yields using CASAL. We ...

   Meeting Document : WG-FSA-SAM-05/9 : Автор(ы): A. Dunn (New Zealand)

6. Net-based verification of acoustic techniques used to identify Antarctic krill

   during two cruises to the South Georgia region in 1996. For each net-sampled aggregation the differences ... ' using an SDWBA-derived range for Sv120-3, (iii) '2 freq 2-16'- with an Sv120-38 range ... orientation distributions for the two cruises were estimated with the SDWBA model, with cruise specific ... . Using the SDWBA model, dB difference identification ranges based on the length-frequencies of krill in ...

   Meeting Document : SG-ASAM-09/04 : Автор(ы): J. Watkins and S. Fielding (United Kingdom)

7. Fishery Report: Dissostichus eleginoides Heard Island (Division 58.5.2)

   selectivity for 6-year-old fish, effectively declining to zero for fish older than 20 years. The length ... nd an ce (m il) 2002 2004 2006 2008 0 10 00 0 20 00 0 30 00 0 40 00 0 Year of Survey B ... for D. eleginoides in the region taking into account deep water but with an emphasis on fishing ... , is an estimated parameter calculated separately for each of the two CPUE series. 4. Stock ...

   Document : Site Section: Publications

8. Fishery Report: Dissostichus eleginoides Heard Island (Division 58.5.2)

   selectivity for 6-year-old fish, effectively declining to zero for fish older than 20 years. The length ... , is an estimated parameter calculated separately for each of the two CPUE series. 4. Stock ... 110 000 for this data, while the abundance-at-age data does not provide information on an upper limit ... across years in estimated year-class strength. 4 TOP 58.5.2 Table 3: Input parameters for the ...

   Document : Site Section: Publications

9. Report of the 1995/96 Japanese Whale Research Programme Under Special Permit in the Antarctic (JARPA) in Area IV and eastern part of Area III

   eastern part of Area In (south of 60° S between 35°E and 70°E). The survey was conducted for 118 days ... expected. Survey in the eastern part of Area III was conducted as a feasibility study on stock identity ... , and samples were taken during an early and late period of the feeding season in order to study intra ... -seasonal changes. During the sampling, one animal was taken randomly from schools sighted as primary ...

   Meeting Document : WG-EMM-96/48 : Автор(ы): Yuzu, S., Ishikawa, H., Mogoe, T., Kawasaki, M., Hishii, T., Shimamoto, K., Tohyama, D., Nibe, H., Taguchi, F., Hidaka, H., Ono, K., Yamashiro, K., Yoshida, T., Tamura, T., Nishiwaki, S.

10. TOWARDS THE BALANCED STOCK ASSESSMENT OF ANTARCTIC TOOTHFISH IN THE ROSS SEA

    Abstract:  Last two years two different approaches were used for stock assessment of Antarctic ... mostly based on likelihoods and potentially could insure proper mutual weighting of signals from all ...

    Meeting Document : WG-SAM-08/08 : Автор(ы): D. Vasilyev and K. Shust (Russia)

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