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1. 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)

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

3. 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)

4. 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)

5. 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)

6. 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)

7. 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)

8. Biotopic and spatial distribution of krill Euphausia superba Dana (Crustacea, Euphausiacea) length groupings in the Atlantic sector of Antarctic in summer 1984 and 1988

   Abstract:  Three basic length groupings of krill were identified with the clustering analysis on ... in summer 1984 and 1988. The large-length grouping is biotopically associated with the waters of the ... grouping are associated with the Weddell Sea waters. Besides, the additional fourth grouping with bimodal ... complied with the climatic norm and seemed to stipulate the typical pattern of krill spatial distribution ...

   Meeting Document : WG-EMM-04/27 : Author(s): V.V. Lidvanov, A.V. Zimin, K.E. Shulgovsky (Russia)

9. Depth distribution and spawning pattern of Dissostichus eleginoides over the winter period in Subarea 48.3

   statistically significant pattern of changing mean length at depth with month was found in both 1997 and 1998 ... seasons, suggesting movement of animals both up and down slope at particular times of year. Months with a ... high mean length at depth are May and August, and with a low mean length at depth are April and July ... with movement of animals to preferred spawning depths. A general model would be that toothfish form ...

   Meeting Document : WG-FSA-98/58 : Author(s): D.J. Agnew, K. Kerkieta, L. Heaps, C. Jones, J. Pearce and A. Watson (United Kingdom)

10. Method for collecting of data on traumatic death of krill passed through the trawl meshes

    with threads of the net bag some of them may receive possibly lethal mechanical damage. Proposed method ... bag, only for fishing with hauling of full net for catch extraction. The analogous rating for fishing ... with fishpump needs developing of special methods of source material obtaining to set experiments. But ... . Picking of krill individuals, passed through meshes of net bag cover of fishing gear was carried out with ...

    Meeting Document : WG-EMM-12/43 : Author(s): V.V. Akishin, I.G. Istomin, V.A. Tatarnikov, A.F. Petrov and R.O. Lebedev (Russia)

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