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1. Biomass abundance and distribution of fish in the Kerguelen Islands’ zone (Division 58.5.1)

   Plateau. The sweep-area method was used in the range 100 and 1000 m with random stratified stations of ... Alepocephalus cf. antipodianus in the deep-sea. The data on the latest are new. The geographical and ... concentrations. Cohorts of some species (D. eleginoides, C. gunnari) were visible in some geographical sectors ... . In addition, the survey allows to define the species distributions, both commercial that the others ...

   Meeting Document : WG-FSA-07/16 : Autor(es): G. Duhamel and M. Hautecoeur (France)

2. Community structure of epipelagic macrozooplankton in the Ross Sea

   collected from three layers between the surface and 200 m with RMT 8m2 along the three longitudinal lines in ... located at 78°S, 175°E. Total of 13 taxa occurred at all stations and mean of 7.4 taxa were occurred in ... each sample. There was no marked difference in numbers of taxa occurred at each station and layer ... in the north of 72°S, while pteropods and euphausiids occurred besides them in the south of 72°S ...

   Meeting Document : WG-EMM-07/34 Rev. 1 : Autor(es): Y. Watanabe, S. Sawamoto, T. Ishimaru and M. Naganobu (Japan)

3. On maturity level of gonads of Antarctic toothfish Dissostichus mawsoni from the southern Ross Sea (Subarea 88.1) in December 2005–February 2006

   participation in spawning of the current year. Ovaries of the most females weighed less than 2.0 kg; average GSI ... ” under Russian flag in the 2005/06 season. Our supposition is that the predominant part of Antarctic ... toothfish population observed in SSRU –H, K, L in December 2005 – February 2006 will not be ready for ... 88.1) in December 2005–February 2006 Approval:  Approved ...

   Meeting Document : WG-FSA-06/9 : Autor(es): V.G. Prutko (Ukraine)

4. Krill caught by predators and nets revisited: interpreting prey selection in proper temporal–spatial scales

   problematic. In this paper we use ARGOS satellite location data from foraging female fur seals to first ... that collected only in fur seal foraging habitat. Both are compared to krill in fur seal diet. When ... in krill length frequency distributions. We suggest that fur seals are not selecting large krill ... while foraging but are instead selecting foraging locations that have larger krill in densities that ...

   Meeting Document : WG-EMM-04/49 : Autor(es): M.E. Goebel, V. Loeb, D.P. Costa, S.N. Sexton, A.R. Banks, J.D. Lipsky and A.C. Allen (USA)

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

   Abstract:  Implementation of NPOAs requires in first place an assessment of all longline fisheries ... with presumption of occurring seabird incidental mortality. Chile took this responsibility in 2001 and ... started the NPOA-S process by estimating the seabird bycatch at the Patagonian toothfish fishery in ... determined the initiation of the NPOA to reduce seabird incidental mortality in all longline fisheries in ...

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

6. Exploitation of mesoscale oceanographic features by grey-headed albatross Thalassarche chrysostoma in the southern Indian Ocean

   association with mesoscale oceanographic features, as identified by sea surface height anomalies, in the ... anomalies created by the Agulhas Return Current in the Subtropical Convergence and the Subantarctic zones ... . In contrast, during chick-rearing all tracked birds foraged to the southwest of the island, at the ... edges of anomalies along the South-West Indian Ridge. Previous work in this area has shown that these ...

   Meeting Document : WG-FSA-01/12 : Autor(es): D.C. Nel, J.R.E. Lutjeharms, E.A. Pakhomov, I.J. Ansorge, P.G. Ryan and N.T.W. Klages (South Africa)

7. The influence of environmental variables and mitigation measures on seabird catch rates in the Japanese tuna longline fishery within the Australian Fishing Zone, 1991–1995

   environmental variables and mitigation measures upon catch rates of seabirds in the Japanese pelagic longline ... fishery. In the Australian Fishing Zone (AFZ) seabirds were most likely to be caught on longlines that ... were set during summer, in southern areas of the zone, and during daylight hours. However ... , interpretation of changes in catch rates resulting from the use of mitigation measures or from weather effects ...

   Meeting Document : WG-FSA-98/32 : Autor(es): N. Brothers, R. Gales and T. Reid (Australia)

8. MULTIPLE INDICATORS SUGGEST A STRONG ECOSYSTEM ANOMALY AT SOUTH GEORGIA IN 2009

   local oceanographic and atmospheric conditions. Much of the observed variability in various fitness ... revealed a strong anomaly in early 2009. Above average sea temperatures, without any evidence of increased ... warm water inflow were followed by reduced icefish catches, a paucity of krill in icefish and penguin ... diets and low krill biomass in the regularly surveyed “Western Core Box”. Consequently many of the ...

   Meeting Document : WG-EMM-09/23 : Autor(es): S. Hill, M. Belchier, M. Collins, S. Fielding, E. Murphy, P. Trathan, H. Venables and C. Waluda (United Kingdom)

9. ANTARCTIC TOOTHFISH STOCK ASSESSMENT IN DIVISION 58.4.1 ON THE BASIS OF CPUE DATA

   Abstract:  An attempt to use CPUE data based on data of erussian observers in the assessment of ... Antarctic toothfish stock in division 58.4.1 is made. Unlike some previous results obtained for this ... biomass in the Ross Sea. As a result of implementation of a dynamic production model, current biomass in ... :  ANTARCTIC TOOTHFISH STOCK ASSESSMENT IN DIVISION 58.4.1 ON THE BASIS OF CPUE DATA Approval:  Approved ...

   Meeting Document : WG-SAM-09/12 : Autor(es): D. Vasilyev, K. Shust, V. Tatarnikov, I. Istomin and A. Petrov (Russia)

10. Echo integration in low signal to noise regimes: methods of noise estimation and removal

    Abstract:  The results of acoustic surveys, especially in low signal-to-noise regimes, are ... contribution to the above-threshold-signal cannot later be removed in post processing. The only solution is to ... log unthresholded data and to correct for noise in post processing. Integrated data collected at 120 ... requires that logged data have high resolution in both depth and distance. It can be applied so long as ...

    Meeting Document : WG-EMM-97/74 : Autor(es): Higginbottom, I., Pauly, T.

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