Résultats de la recherche

1. New corrections factors for the quantification of fish represented in pellets of the blue-eyed shag Phalacrocorax atriceps

   cast) of the blue-eyed shag or imperial cormorant Phalacrocorax atriceps collected throughout the ... necessary for the quantification of fish represented in pellets. These factors were obtained for Notothenia ... , Notolepis coatsi and Electrona antarctica were represented in pellets but not found in the stomach contents ... . Fish were the main prey and N. coriiceps and H. antarcticus were the dominant species both in mass and ...

   Meeting Document : WG-EMM-95/83 : Auteur(s): Silva, P., Casaux, R., Favero, M., Barrera-Oro, E.

2. Length-age composition of the Patagonian toothfish, Dissostichus eleginoides, from the Kerguelen Island area

   Abstract:  Results of length-age composition studies of the Patagonian toothfish, Dissostichus ... eleginoides, from various fishing grounds of the shelf and continental slope areas of the Kerguelen Islands ... are presented and discussed in the paper. Detailed results of these studies are compiled in tables ... . Soviet vessels had first carded out fishery for the species in the 1984/85 season. Fishing grounds during ...

   Meeting Document : WG-FSA-92/08 : Auteur(s): V.G. Prutko and V.N. Chikov (Ukraine)

3. Marine ecosystem acoustics (MEA): quantifying processes in the sea at the spatio-temporal scales on which they occur

   monitoring. Realistic understanding of what can and cannot be achieved with the available sampling techniques ... and strategies is essential. This paper focuses on approaches for observing processes at the time ... -space scales at which they occur, which is essential for some of the management challenges of CCAMLR ... , for example the FBM.   Sustainable management of fisheries resources requires quantitative knowledge ...

   Meeting Document : WG-EMM-15/P01 : Auteur(s): O.R. Godø, N.O. Handegard, H.I. Browman, G.J. Macaulay, S. Kaartvedt, J. Giske, E. Ona, G. Huse and E. Johnsen

4. Geographical differences in the condition, reproductive development, sex ratio, and length distribution of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (CCAMLR Statistical Subarea 88.1)

   toothfish Dissostichus mawsoni from mid-December to early April during the 2000-01 to 2004-05 fishing ... seasons aboard the autoliner San Aotea II have been analysed. Results of this study indicate measurable ... differences in a number of indices from toothfish found on the Ross shelf proper, as distinct from those ... sampled on the more isolated seamounts and features to the north. These are length modal distribution, sex ...

   Meeting Document : WG-FSA-05/52 : Auteur(s): J.M. Fenaughty (New Zealand)

5. The diet of Antarctic fur seals, Arctocephalus gazella, at King George Island, during the summer–autumn period

   Abstract:  The diet of non breeding male Antarctic fur seals, Arctocephalus gazella, was ... , krill and fish were the most frequent prey, occurring in an average of 97% and 69% of samples (n=128 ... ), followed by Cephalopods (12%). Myctophids constituted almost 90% of the fish predated, being Electrona ... antarctica and Gymnoscopelus nicholsi the most abundant and frequent prey species. All fish taxa identified ...

   Meeting Document : WG-EMM-04/4 : Auteur(s): G.A. Daneri, A.R. Carlini, C.M. Hernandez and A. Harrington (Argentina)

6. An updated assessment of the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity and extension taking commercial catch-at-length data into account

   Abstract:  The CPUE-based Age-Structured Production Model (ASPM) assessment of this resource by ... available over the past year. This leads to an improved picture of resource status compared to a year ... are at variance with the observed length frequency distributions for the fishery. It is important that ... the assessment model be refined to provide a consistent explanation of all the available data, as this ...

   Meeting Document : WG-FSA-02/76 : Auteur(s): A. Brandão, D.S. Butterworth, B.P. Watkins and L. Staverees (South Africa)

7. Seasonal and interannual variability of krill, salp and other zooplankton populations in the northwest Antarctic Peninsula region: summer 2001 in relation to the Long-Term AMLR Data Set

   Abstract:  The US AMLR Program conducted large area surveys in the Elephant Island-South Shetland ... field seasons to assess interannual variations. Mean and median krill abundance values in the Elephant ... Island area during the 2000/2001 field season were intermediate to highs in 1996 and lows in 1999 ... . Increased abundance relative to 1999 resulted in part from recruitment of the 1998/99 and 1999/2000 year ...

   Meeting Document : WG-EMM-01/45 : Auteur(s): V. Loeb (USA)

8. A multiple-frequency method for identifying and assessing the Antarctic krill stock in the Ross Sea (1989/90, 1997/98 and 1999/2000)

   Abstract:  The paper describes the criteria, based on the multiple frequency analysis, used in the ... Italian expeditions to the Ross Sea to discriminate Euphausia superba (krill) aggregations from Euphausia ... crystallorophias ones and from other scatters. They are based on the experimental data acquired in the expeditions ... applied to estimate krill biomass in the area of Ross Sea (22000 nm2), investigated from 19 to 26 December ...

   Meeting Document : WG-EMM-00/37 : Auteur(s): M. Azzali, J. Kalinowski and G. Lanciani (Italy)

9. Interannual variation in the autumn diet of the gentoo penguin Pygoscelis papua at Laurie Island, Antarctica

   Abstract:  The diet of the gentoo penguin Pygoscelis papua was investigated during three different ... migrant adults were sampled during 1993, 1995 and 1996. Fish were the most important prey by mass in 1995 ... largely the most important prey among the eleven crustacean taxa identified in the samples. Among fish ... , species of the family Nototheniidae predominated in the diet with G. gibberifrons as the most important ...

   Meeting Document : WG-EMM-99/19 : Auteur(s): N. Coria, M. Libertelli, R. Casaux and C. Darrieu (Argentina)

10. Avoidance of incidental mortality of seabirds and the implementation of Conservation Measure 169/XVII in Statistical Subarea 88.1 in the 1998/99 season

    Abstract:  New Zealand conducted Longline weighting trials during the 1998/99 fishery for ... provisions in Conservation Measure 169/XVII. The provisions included strictly applied line-weighting regimes ... and rigorous monitoring of line sink rates. In the trials, two autoline vessels set weighted longlines ... were used to record the actual sink rate achieved on 30% of all sets. For all sets combined the average ...

    Meeting Document : WG-FSA-99/35 : Auteur(s): J. Molloy and N. Smith (New Zealand)

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