Résultats de la recherche
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By-catch of juvenile Champsocephalus gunnari in krill fishery on the shelf of South Georgia Island
survived up to an age of one year. Author(s): G.A. Frolkina, V.I. Latogursky, V.A. Sushin (Russian ... published data. Juveniles of Champsocephalus gunnari were found to be distributed from the surface to 500 m ...
Meeting Document : WG-FSA-92/06 : Auteur(s): G.A. Frolkina, V.I. Latogursky, V.A. Sushin (Russian Federation)
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AFRICAN IUU CAPACITY BUILDING WORKSHOP AND EXPENDITURE FROM THE CDS FUND – REPORT TO CCAMLR-XXIX
-05/B, paragraph B2(ix) on the progress of a proposal for expenditure from the CDS Fund to conduct an ... present gave encouragement for the improved deterrence of IUU for the longer term, and raised the prospect ... of holding similar regional events in future years. Background 2. At CCAMLR-XXVII the Commission ...
Meeting Document : CCAMLR-XXIX/09 : Auteur(s): Delegations of Australia, South Africa, the United Kingdom and the CCAMLR Secretariat
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Status of krill target strength
cause of bias in single-animal measurements, namely thresholding. Theoretical estimates for the target ... orientational parameters, for which there is an empirical basis. The theoretical estimates show a non-monotonic ... shortcomings. Some recent single-animal measurements of target strength for live euphausiids and euphausiid ... Abstract: Empirical estimates for the target strength of krill are extracted from the literature ...
Meeting Document : WG-KRILL-92/11 : Auteur(s): K.G. Foote (Norway), D. Chu and T.K. Stanton (USA)
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Revised proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2016 and 2017
the 2016 survey, and trends in the time series, will be presented to WG-FSA for review in 2016 and ... methods will remain the same as in previous years, and the number of sets will be retained at 45 sets for ... Abstract: A research proposal to continue the southern Ross Sea sub-adult toothfish survey for ... . Following the recommendations of WG-FSA and WG-EMM, an additional secondary survey objective has been ...
Meeting Document : WG-FSA-15/34 : Auteur(s): S.M. Hanchet, S.J. Parker, S. Mormede and R.J.C. Currey (New Zealand)
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Proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2016–2017
, and trends in the time series, be presented to WG-FSA for review in 2016 and that a full review be ... the same as in previous years, and the number of sets will be retained at 45 sets for the core strata ... Abstract: A research proposal to continue the southern Ross Sea sub-adult toothfish survey for ... 2015 survey. As it is less critical to survey these larger sub-adult and adult toothfish on an annual ...
Meeting Document : WG-SAM-15/45 : Auteur(s): S.M. Hanchet, S.J. Parker, S. Mormede and R.J.C. Currey (New Zealand)
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Interannual changes in body fat condition, stomach content mass and distribution of minke whales in Antarctic Areas IV and V
Abstract: As an indicator of body fat condition, interannual variability in girth of minke whales ... of minke whales in Antarctic Areas IV (70°-130° E) and V (130° E-170°W) from 1989/90 to 1994/95. Of ... . In Area V, in a year of high sea-ice extent, the krill-rich slope region in the western zone was ... whales along the ice-edger The Ross Sea zone was an area of low food supply throughout the study period ...
Meeting Document : WG-EMM-97/18 : Auteur(s): Ichii, T., Nishiwaki, S., Tamura, T., Fujise, Y., Matsuoka , K.
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Demography of Antarctic krill in the Elephant Island area (Antarctic Peninsula) during austral summer 2001
absolute index was RI1 = 131.4 * 1000 m-3, which is among the highest values for the past 20 years. The ... Abstract: A net sampling survey was carried out for krill in an established standard station grid ... proportional recruitment index for the entire survey area for the 1999/2000 year class was R1 = 0.573, and the ... for a successful spawning season, was G = 0.99, indicating an early initiation of the spawning season ...
Meeting Document : WG-EMM-01/10 : Auteur(s): V. Siegel (Germany), B. Bergström (Sweden), U. Mühlenhardt-Siegel (Germany) and M. Thomasson (Sweden)
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Is population structure of Patagonian toothfish (Dissostichus eleginoides) determined by the Antarctic Circumpolar Current?
provide opportunities for Patagonian toothfish (Dissostichus eleginoides) to move downstream between ... population structure and richness. To test whether toothfish stocks were connected or segregated, we used an ... integrated experimental design to compare age-at-length data sampled at similar times from longline fisheries ... stocks at South Georgia and Kerguelen may be connected. Taken with the published genetic data, this ...
Meeting Document : WG-FSA-03/84 : Auteur(s): J.R. Ashford, C.M. Jones, E. Hofmann (USA), I. Everson (United Kingdom) and G. Duhamel (France)
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Antarctic krill, Euphausia superba Dana, demography studies in the seas of Sodruzhestvo and Cosmonauts (Indian Ocean sector of Antarctica)
Antarctic seas for the period from 1985 to 1990 are analyzed to form an opinion about its growth, life ... of Sodruzhestvo. E.superba growth rate ranges from 0.126- 0.133 mm per day in the first year 0f life ... to 0.028-0.041 mm per day in the fifth year under condition that E.superba grows 180 days per year ... . Bertalanffy growth curves calculated for different areas are close to that obtained by Australian researchers ...
Meeting Document : WG-KRILL-93/45 : Auteur(s): E.A. Pakhomov (Ukraine)
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Broadbandwidth sound scattering and absorption from krill (Meganyctiphanes norvegica), Mysids (Praunus flexuousus and Neomysis integer) and shrimp (Crangon crangon)
volume of the animal. Collectively, these results provide tools for improving the detection of krill and ... (Meganyctiphanes norvegica) over the acoustical bandwidth of 30 to 210 kHz and compared to similar scattering ... target strength (TTS) match the SDWBA model (Demer and Conti, 2003b) recently developed for Antarctic ... krill, indicating its validity for other euphausiids species with similar size and shape. However, the ...
Meeting Document : WG-EMM-04/40 : Auteur(s): S.G. Conti, D.A. Demer (USA) and A.S. Brierley (United Kingdom)