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1. Target strengths of krill at 136 and 20 kHz

   . Ensonification of encaged live krill. For aggregations with mean lengths from 45 to 50 mm the mean single-krill ... target strengths range from-68 to-69 dB at 136 kHz. For aggregations with mean lengths from 43 to 47 mm ... . For aggregations with mean lengths from 47 to 50 mm the mean target strengths ranged from-71 to-75 dB ... . At the same frequency for aggregations with mean lengths in the range 41 to 47 mm the mean single ... aggregations with mean lengths from 45 to 50 mm the mean single-kriU target strengths range from -68 to -69 dB ... at 136 kRz. For aggregations with mean lengths from 43 to 47 mm the mean single-kriU target ... strengths range from -71 to -77 dB at 20 kRz. Trawl hydroacoustic method. For aggregations with mean ... aggregations with mean lengths in the range 41 to 47 mm the mean single-krill target strength is in the range ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 141–157 : Author(s): Kasatkina, S.M.

2. Temporal variability in Adélie penguin CEMP parameters and their response to changes in prey availability

   the importance of taking into account the changing behaviours of birds in the context of life history ... results highlight the importance of taking into account the changing behaviours of birds in the context ...

   Meeting Document : WG-EMM-12/22 : Author(s): L. Emmerson and C. Southwell (Australia)

3. Temporal variability in Adélie penguin CEMP parameters and their response to changes in prey availability

   the importance of taking into account the changing behaviours of birds in the context of life history ... results highlight the importance of taking into account the changing behaviours of birds in the context ...

   Meeting Document : WG-EMM-12/48 : Author(s): L. Emmerson and C. Southwell (Australia)

4. PRELIMINARY RESULTS OF TRIALS TESTING MODIFIED LONGLINE GEAR ‘TROTLINES’ IN PRESENCE OF CETACEANS IN SUBAREA 48.3

   composition on Spanish system longlines with those on ‘trotlines’ fitted with cetacean exclusion devices ... cetaceans were present. This difference increased with increasing abundance of cetaceans highlighting the ... trotlines fitted with cachalotera nets were dead or suffered life-threatening injuries. Toothfish were also ... trotline use. iii. Potential increases in skate and toothfish injury, leading to problems with skate ...

   Meeting Document : WG-FSA-08/44 : Author(s): R.E. Mitchell, J. Clark, P. Reyes, L. Jones, J. Pearce, C.E. Edwards and D. Agnew (UK)

5. Investigating the uncertainty of age determinations for Patagonian toothfish (Dissostichus eleginoides) and the implications for stock assessment

   aggregate into the plus group, negative errors are truncated below the minimum age, and fish with true ages ... expanded the reference collection to include an additional 50 otoliths with a mean age above 25 years. The ... matrix.We assessed misclassification matrices obtained using the revised Candy method along with two other ... of variation (c.v.) of 0.1. We compared the misclassification matrices with the observed age ...

   Meeting Document : WG-FSA-14/46 : Author(s): P. Burch, P. Ziegler, W. de la Mare and D. Welsford (Australia)

6. Seabird by-catch update on industrial Patagonian toothfish fishery in southern Chile

   , with very high values from September to December (0.37 to 1.28 birds/1,000 hooks). Main species caught ... was the black-browed albatross (96% of total birds). Considering the monthly fishing effort and bycatch rate ... , during 2002 a total estimated of 2,162 birds were incidentally killed. This result determined ... , with very high values from September to December (0.37 to 1.28 birds/1,000 hooks). Main species caught ...

   Meeting Document : WG-FSA-04/13 : Author(s): J. Arata, C.A. Moreno and R. Hucke-Gaete (Chile)

7. Patterns in the diet of mackerel icefish (Champsocephalus gunnari) on the South Georgia and Shag Rocks shelf (CCAMLR Subarea 48.3)

   consistent with previous studies, with the dominant species consumed being Antarctic krill (Euphausia superba ... icefish examined (2+, 3+ and 4++), with the younger fish consuming more T. gaudichaudi and small ... larger prey items with size. Author(s):  M.A. Collins, R. Mitchell, G. Tarling and M. Belchier (United ...

   Meeting Document : WG-FSA-04/44 : Author(s): M.A. Collins, R. Mitchell, G. Tarling and M. Belchier (United Kingdom)

8. The biology, ecology and development of fishery management advice for the anomuran crabs at South Georgia (CCAMLR Subarea 48.3)

   in the permit for exploratory research fishing issued by the US National Marine Fisheries Service to the FV ... . 1894. Descriptions of new genera and species of crabs of the family Lithodidae, with notes ... bottlenecks in the distribution of marine Crustacea: tem- perature constraints in the family Lithodidae ... poorly understood with great uncertainty surrounding their trophic ecology and life histories. Recent ... undertaken if there is continued interest in the fishery. However, low market value and interest coupled with ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 1–15 : Author(s): Belchier, M., T. Peatman and J. Brown

9. Distribution of the Soviet krill fishing fleet in the South Orkneys area (Subarea 48.2) during 1989/90

   Atlantic Research Institute of Marine Fisheries and Oceanography (AtlantNIRO) 5 Dmitry Donskoy St ... fishing ground off the northwestern tip of Coronation Island. CPUE showed variability with a minimum in ... hydrodynamic characteristics of the area, for example a complex current around the islands together with ... north-east of the region. The fleet was observed drifting with the current together with krill ... aggregations. A maximum CPUE (3.8 tonnes/hour) was recorded at the beginning of the period, with a subsequent ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 51–62 : Author(s): Sushin, V.A

10. Target strengths of krill at 136 and 20 kHz

    and using trawling-acoustic method. Ensonification of encaged live krill. For aggregations with mean ... 136 kHz. For aggregations with mean lengths in the range (43,47)mm the mean single-krill target ... strengths are in the range (-71,-77) dB at 20 kHz. Trawling-acoustic method. For aggregations with mean ... obtained. At the same frequency for aggregations with mean lengths in the range (41,47) mm the mean single ...

    Meeting Document : WG-KRILL-91/29 : Author(s): S.M. Kasatkina (USSR)

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