Résultats de la recherche
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Modelling the dynamics of krill populations in the Antarctic Peninsula region
data for the first age class produced an instantaneous mortality rate estimate of approximately 0.6 ... a relatively poor fit to the observed data. Using the recruitment data for the second age class ... observed density changes. The need for caution in interpreting the model results was emphasized by an ... second method develops a fully age-structured population model and uses only the recruitment data to ...
Meeting Document : WG-EMM-99/56 : Auteur(s): E.J. Murphy (United Kingdom), A. Constable (Australia) and D. Agnew (United Kingdom)
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Characteristics of distribution of krill aggregations in fishing grounds off Coronation Island in 1989-1990 season
Author(s): S.M. Kasatkina and V.I. Latogursky (USSR) Title: Characteristics of distribution of krill aggregations in fishing grounds off Coronation Island in 1989-1990 season Approval: Approved
Meeting Document : WG-KRILL-90/20 : Auteur(s): S.M. Kasatkina and V.I. Latogursky (USSR)
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The CCAMLR Ecosystem Monitoring Program (CEMP)
Author(s): Secretariat Title: The CCAMLR Ecosystem Monitoring Program (CEMP) Approval: Approved
Meeting Document : WG-CEMP-90/20 : Auteur(s): Secretariat
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On reproduction of Electrona carlsbergi Tåning
Abstract: A subject of the present study is Electrona carlsbergi from the Atlantic sector of the Southern Ocean. Results from histological examination of gonads are presented. From materials available it has been ascertained that Electrona carlsbergi breeds in the notal zone. The ripening of
Meeting Document : WG-FSA-90/20 : Auteur(s): G.P. Mazhirina (USSR)
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Results from the 2019 annual acoustic krill monitoring off the South Orkney Islands
comparison with previous survey years and provide some context for the large scale survey estimate, we here ... surveys from 2011 to 2018. The distribution was similar to previous years with most krill along the shelf ... conducted by RV Kronprins Haakon as part of the Scotia Sea large scale krill monitoring effort. To allow for ... the second lowest on record, indicating a less patchy krill distribution than a typical year. Author ...
Meeting Document : WG-EMM-2019/69 : Auteur(s): G. Skaret, B.A. Krafft, G. Macaulay, T. Knutsen and O.A. Bergstad
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Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)
the otoliths of D. mawsoni appears to be a valid method for determining the age of this species ... that the modes represented year classes and that one translucent zone is formed annually in otoliths of ... , sagittal otoliths were examined from D. mawsoni that had been injected with oxytetracycline some years ... juvenile D. mawsoni. Mean fish lengths at ages 0.5, 1.5, 2.5, and 3.5 years were estimated to be 14, 28, 37 ...
Meeting Document : WG-FSA-02/33 : Auteur(s): P.L. Horn, C.P. Sutton (New Zealand) and A.L. DeVries (USA)
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Effects of orientation on acoustic scattering from Antarctic krill at 120 kHz
collected per animal. Orientation data were recorded on video. The acoustic data were analyzed and target ... strengths determined from each echo. A method was developed for estimating the three-dimensional orientation ... approximation (DWBA) method were developed for five animals and compared with the measurements. Both measured ... animal orientation. Use of these scattering patterns with orientation data from shipboard studies of E ...
Meeting Document : WG-EMM-99/42 : Auteur(s): D.E. McGehee (USA), R.L. O’Driscoll (New Zealand) and L.V. Martin Traykovski (USA)
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Inter-annual variability in krill density at South Georgia: 1997–2012
, mean density for the area) showed several years of moderate to high values (µ > 30 gm-2 ... one year were driving the mean krill density estimates for the WCB in that year. WCB krill density (µ ... ) interspersed with years (1999-2000, 2004, 2009-2010) of very low density (µ < 30 gm-2). Author(s): S ... krill was examined using a 15 year time series of acoustic observations undertaken in the Western Core ...
Meeting Document : WG-EMM-13/14 : Auteur(s): S. Fielding, J.L Watkins, P. Trathan, P. Enderlein, C. Waluda, C. Goss, G. Stowasser, G. Tarling and E. Murphy (United Kingdom)
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The area north of Joinville–D’Urville Islands (Subarea 48.1) a former fishing ground at the tip of the Antarctic Peninsula – revisited
. Published and unpublished reports by the Fischkombinat in Rostock (ex- German Democratic Republic), Sea ... fishing operations in the 1970’s and 1980’s were analysed in order to provide a comprehensive review of ...
Meeting Document : WG-FSA-03/26 : Auteur(s): K.-H. Kock (Germany), L. Pshenichnov (Ukraine), K. Skora (Poland), Zh.A. Frolkina (Russia) and C.D. Jones (USA)
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IMPLEMENTATION OF FISHERY CONSERVATION MEASURES IN 2009/10
Data reporting 4 Other Points for Consideration 4 Vulnerable marine ecosystems 5 Notifications made ... 2010. These CMs and resolutions were published in the Schedule of Conservation Measures in Force in ... 2009/10 (see CCAMLR-XXIX/BG/9 for summary). 2. The implementation of CMs dealing with fisheries, data ... reporting, monitoring and notifications for fisheries (new, exploratory and krill) and scientific research ...
Meeting Document : CCAMLR-XXIX/BG/10 : Auteur(s): Secretariat