Résultats de la recherche
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SCIC-07
/01 Provisional Agenda for the 2007 Meeting of the CCAMLR Standing Committee on Implementation and ... of China regarding the attempted inspection of the Ocean vessels Secretariat SCIC-07/04 Summary of ... regarding the attempted inspection of Dalmor II Secretariat SCIC-07/08 Extracts from the report of the ... working group on fish stock assessment (total removals of Dissostichus spp. including catches in the ...
Meeting
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Seasonal variation in acoustic estimates of krill density at South Georgia during 2001/2002
around South Georgia in the 2001/2002 season: one in November 2001 (early); two during January 2002 ... (middle), and one in May 2002 (late). The surveys were the second in a five-year series of observations ... designed to complement and extend an existing time series of summer surveys maintained by the British ... Antarctic Survey regularly since 1996. Krill density in November was low (5 g m-2), higher in both the two ...
Meeting Document : WG-EMM-02/39 : Auteur(s): C. Goss, S.A. Grant, N. Cunningham, J.L. Watkins, P.N. Trathan, E. Murphy and K. Reid (United Kingdom)
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Quantifying habitat use in satellite-tracked pelagic seabirds: application of kernel estimation to albatross locations
Abstract: We develop a new approach to quantifying habitat use within the foraging ranges of ... from black-browed and grey-headed albatrosses Diomedea melanophris and D. chrysostoma during the chick ... -rearing period of the breeding cycle at South Georgia. At this time the activity range of these two ... contrast, kernel estimation reveals that the main foraging areas of these two sympatric, congeneric species ...
Meeting Document : WG-EMM-01/67 : Auteur(s): A.G. Wood (United Kingdom), B. Naef-Daenzer (Switzerland), P.A. Prince and J.P. Croxall (United Kingdom)
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Krill processing factors
Abstract: There is a wealth of earlier papers on the topic of krill processing dominated by the ... works of Grantham (1977) “The Utilization of Krill”, Budzinski et al (1985), “The Possibilities of ... (1980-82). Within these papers are the fundamentals of product yields and the framework for determining ... production has some time of uncertainty ahead due to a shake out of the industry, with departure of older ...
Meeting Document : WG-EMM-01/44 : Auteur(s): D. Rogers (USA)
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Southern royal albatross Diomedea epomophora census on Campbell Island, 4 January–6 February 1996, and a review of population figures
the period 4 January to 6 February 1996 of the 1995-96 breeding season. A total of 7787 occupied nests ... was counted. Comparisons of different field census techniques and a measure of the rate of egg loss ... suggest that 8200-8600 pairs were nesting in the 1995-96 breeding season. The count WDS 23% higher than in ... thoroughly. Interpretation of population trend data from previous censuses Is difficult because of the likely ...
Meeting Document : SC-CAMLR-XVII/BG/13 : Auteur(s): Delegation of New Zealand
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Acoustic estimates of krill abundance at South Georgia, 1981–1998
Abstract: Acoustic estimates of abundance of the Antarctic krill, Euphausia superba, at South ... a primary objective, and estimates derived for the first time here from acoustic data collected as a ... subsidiary during other studies of the pelagic ecosystem at South Georgia. Krill abundance at the island ... fluctuated widely from year to year over this time, ranging from?2 to? 150 gm-2 (wet weight). The 1982, 1991 ...
Meeting Document : WS-AREA 48-98/9 : Auteur(s): A.S. Brierley, J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson (UK)
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INCOMPLETE SEARCH EFFORT AS A POTENTIAL SOURCE OF BIAS IN BROAD-SCALE ESTIMATES OF PENGUIN ABUNDANCE DERIVED FROM PUBLISHED COUNT DATA: A CASE STUDY FOR ADÉLIE PENGUINS IN EAST ANTARCTICA
m2 and within 500 m of the ocean) in the Australian Antarctic Territory (AAT) was mapped using a GIS ... , and the literature reviewed for evidence of the mapped habitat being searched for occupation by ... breeding Adélie penguins. The total area of potential breeding habitat was estimated to be close to 700 km2 ... and 40% of the total potential habitat area. There were marked regional differences in search effort ...
Meeting Document : WG-EMM-PSW-08/13 : Auteur(s): C. Southwell, D. Smith and A. Bender (Australia)
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Geographic aspects of Euphausia superba resources exploitation
adjacent waters (subregions outside of the Scotia Sea are under pecular attention) are observed ... . Concentration of E.superba of the same order of biomass volume as in the Scotia Sea were observed at several ... subregions along the peripherie of Weddell Gyre and also nearshore of Antarctide. Offshore concentrations of ... areas should include the preliminar getting of knowledges on changeability of E.superba aggregation ...
Meeting Document : WG-KRILL-93/04 : Auteur(s): R.R. Makarov (Russia)
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Status of krill target strength
Abstract: Empirical estimates for the target strength of krill are extracted from the literature ... cause of bias in single-animal measurements, namely thresholding. Theoretical estimates for the target ... strength are derived from the deformed-cylinder scattering model assuming specific sets of physical and ... orientational parameters, for which there is an empirical basis. The theoretical estimates show a non-monotonic ...
Meeting Document : WG-KRILL-92/11 : Auteur(s): K.G. Foote (Norway), D. Chu and T.K. Stanton (USA)
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Geographic aspects of Euphausia superba resources exploitation
adjacent waters (subregions outside of the Scotia Sea are under pecular attention) are observed ... ° Concentration of E.superba of the same order of biomass volume as in the Scotia Sea were observed at several ... subregions along the peripherie of Weddell Gyre and also nearshore of Antarctide. Offshore concentrations of ... areas should include the preliminar getting of knowledges on changeability of E.superba aggregation ...
Meeting Document : WG-CEMP-92/31 : Auteur(s): R.R. Makarov (Russian Federation)