Résultats de la recherche
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Flexible foraging strategies of gentoo penguins help buffer the impacts of inter-annual changes in prey availability
varied over time; different dive depth-distributions were observed in each year. Nonetheless, chick ... -rearing success remained relatively constant, indicating that gentoo penguins were able to cope with ... congeners with less flexible foraging strategies have declined. Author(s): A.K. Miller and W.Z. Trivelpiece ... Shetland Islands, Antarctica, over five years. Antarctic krill Euphausia superba was the primary diet item ...
Meeting Document : WG-EMM-08/50 : Auteur(s): A.K. Miller and W.Z. Trivelpiece (USA)
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CDS Implementation and Data Analysis
and one NCP cooperating with CCAMLR by participating in the CDS, and one NCP with limited access to ... the CDS data was undertaken for 2018 and 2019. Across both years Chile had the greatest number of DCDs ... landings and exports and greatest quantity of exports (4 644 tonnes and 2 539 tonnes). For both years ... imports was by the United States of America (USA) in both years, followed by China. Analysis of supply ...
Meeting Document : CCAMLR-38/BG/10 Rev. 2 : Auteur(s): CCAMLR Secretariat
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Temperature-dependent growth of Thysanoessa macrura: inter-annual and spatial variability
than in Weddell Sea water during all years. Growth rates were strongly correlated with temperature but ... were not significantly correlated with chl-a concentration. These results suggest that the growth rates ... . This contrasts with published data on the growth rates of Euphausia superba, which is predicted to be ... . We analyzed data from four separate years (1995, 1998, 2001, 2004) that varied widely in temperature ...
Meeting Document : WG-EMM-13/39 : Auteur(s): R.M. Driscoll, C.S. Reiss and B.T. Hentschel (USA)
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Krill biomass estimates for South Georgia, December and January 1996/97
eastern and western survey boxes were 36.1 mm and 45.4 mm respectively. These lengths were used to derive ... (18.44) for the eastern and western boxes respectively. These mean density values were similar to those ...
Meeting Document : WG-EMM-97/48 : Auteur(s): Goss, C., Watkins, J.L., Brierley, A.S.
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A preliminary population status model for the Patagonian toothfish, Dissostichus eleginoides, on the Kerguelen Plateau (Divisions 58.5.1 and 58.5.2) using CASAL
. Preliminary results indicate that illegal fishing in the late 1990s and early 2000s lead to a rapid decline in ... substantial decline in catch rates seen in the French EEZ concurrent with illegal activities are poor ... , indicating that the SSB0 and stock status estimates still need to be interpreted with caution. Continuing pre ...
Meeting Document : WG-SAM-11/20 : Auteur(s): S.G. Candy (Australia), A. Relot, G. Duhamel (France), D.C. Welsford, A.J. Constable, T.D. Lamb (Australia), P. Pruvost and N. Gasco (France)
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Krill biomass and distribution in Subarea 48.2 during summer 1996
density in the day-time amounted to 30.4 g/sq.m are comparable with density values, observed in the ... early summer season krill density may be higher. Krill biomass estimate (1.12 ± 0.093 mln.t) in acoustic ... biomass amounted to 2.00 ± 0.573 mln.t with a coefficient of variance 12.5%. Author(s): Kasatkina, S.M ...
Meeting Document : WG-EMM-97/49 : Auteur(s): Kasatkina, S.M., Abramov, A.M., Polischuk, M.I., Sushin, V.A.
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Results of the first winter longline survey to the northern Ross Sea region to investigate toothfish reproductive life history
aggregate earlier than females and that spawning begins in early July. There were a higher proportion of ... reared for several days in flow through incubators. Egg buoyancy measurements, conducted with fertilised ... eggs in density gradient cylinders, are being analysed and compared with CTD data to indicate the depth ...
Meeting Document : WG-FSA-16/37 : Auteur(s): D. Stevens, D. Di Blasi and S. Parker
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Subgroup on Assessment Methods: Report to the Working Group on Fish Stock Assessment 2002
quality of the assessments. This paper amalgamates the correspondence from during the year and the papers ... incorporating into assessments 2. a draft plan for assessments at WG-FSA this year, including reporting and ... Abstract: Over the last two years, discussions in WG-EMM, WG-FSA and the Scientific Committee ... archiving. 3. a proposed workplan for the future, including a timetable for work in the 2003 intersessional ...
Meeting Document : WG-FSA-02/80 : Auteur(s): A.J. Constable (Subgroup Coordinator)
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IDENTIFYING PATTERNS IN DIET OF MACKEREL ICEFISH (CHAMPSOCEPHALUS GUNNARI) AT SOUTH GEORGIA USING BOOTSTRAPPED CONFIDENCE INTERVALS OF A DIETARY INDEX
following year (2005). This may have been a result of mortality of age 2+ and 3+ fish, which were more krill ... significantly between years and age classes but there was little regional difference in diet. In general diet ...
Meeting Document : WG-FSA-08/29 : Auteur(s): C.E. Main, M.A. Collins, R. Mitchell and M. Belchier (UK)
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Proposal for an experimental crab fishery in Subarea 48.3
years/fishing seasons. Phase 1 occurs at the start of the first fishing season and is a "survey ... second fishing season. Phase 3 commences just prior to the close of the second fishing season. In this ...
Meeting Document : WG-FSA-93/22 : Auteur(s): George Watters (USA)