Résultats de la recherche
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A comparison between the estimated density of krill from an acoustic survey with that obtained by scientific nets on the same survey
found between the two data sets. Several orders of magnitudes were seen in the range of variation ... between acoustic and net krill density estimates. This variation was reduced by subsampling the data set ...
Meeting Document : WG-EMM-97/43 : Auteur(s): Pauly, T., Higginbottom, I., Hosie, G., de la Mare, W.K., Nicol, S.
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Some considerations for the further development of statistical summaries of CEMP indices
Abstract: A potential method is presented for combining data collected as part of the CCAMLR ... values have appeared in the data. An alternative procedure, using baseline mean and variance estimates ...
Meeting Document : WG-EMM-Stats-97/07 : Auteur(s): de la Mare, W.K.
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Krill catch distribution in relation to predator colonies 1987 to 1992
, calculated from CCAMLR fine-scale data, is shown for Subareas 48.1 and 48.2. The pattern of catches in 1992 ... -distance’). Although data reporting was not complete for Subarea 48.2 in 1992, it was estimated that 38% of ...
Meeting Document : WG-KRILL-93/10 : Auteur(s): Secretariat
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Hook selectivity in the longline fishery of Dissostichus eleginoides (Nototheniidae) off the Chilean coast
size of hooks used in the longlines. Original data obtained during 1991 on the coast of Valdivia, South ... East Pacific, are added. The data show that the circle hooks are far more efficient that the right ones ...
Meeting Document : WG-FSA-91/11 : Auteur(s): C.A. Moreno (Chile)
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Southern Ocean Network of Acoustics (SONA)
component of the ecosystem – the mid-trophic level, to agree common standards and protocols for data ... collection and processing with a view to provide that data on an open access basis. Author(s): S. Fielding ...
Meeting Document : WG-EMM-13/17 Rev. 1 : Auteur(s): S. Fielding (United Kingdom), E. Josse (France), R. Kloser (Australia), R. O’Driscoll (New Zealand), C. Reiss (USA) and G. Skaret (Norway)
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Low genetic diversity and temporal stability in the Antarctic toothfish (Dissostichus mawsoni) from near-continental seas of the Antarctica
Abstract: We present our data on DNA-analysis of recent (2011-2013) samplings of Antarctic ... Ross Dependency. Discrepancy in allelic frequency with previously published data was also found for ...
Meeting Document : WG-FSA-13/07 : Auteur(s): N.S. Mugue, A.F. Petrov, D.A. Zelenina, I.I. Gordeev and A.A. Sergeev (Russia)
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Results of the longline survey for toothfish in the northern Ross Sea region (SSRU 88.2A) by the FV Seljevær, Norway
88.2 offshore research survey. Bathymetric data were collected and longline fishing conducted to ... . The vessel had a technical failure with the echosounder and bathymetry data are of low quality. The ...
Meeting Document : WG-SAM-15/42 : Auteur(s): Delegation of Norway
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Characterisation of the exploratory fishery on Dissostichus spp. between the 2004/05 and 2016/17 fishing seasons in Division 58.4.3.a
arrangements are in place in Division 58.4.3.a (Conservation Measures 41-05 and 41-11), while data are ... paper is to provide an overview of the data collected in Division 58.4.3a up to the CCAMLR fishing ...
Meeting Document : WG-SAM-17/20 : Auteur(s): J.-B. Lecomte, R. Sinegre, A. Rigaud and T. Okuda
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Evaluation on the performance of echosounder on a fishing vessel using maximum seabed backscattering
Abstract: The performance of echo sounder system is critical for using acoustic data collected ... from fishing vessel to estimate Antarctic krill biomass. Acoustic data from three surveys (2015, 2016 ...
Meeting Document : SG-ASAM-18/06 : Auteur(s): X. Wang, X. Yu and X. Zhao
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Research concept on catchability to study toothfish abundance/stocks in the Antarctic marine areas
CPUE data. But calculation of toothfish abundance with using these methods demands a number of ... guaranteed toothfish abundance value on a designated marine area. This provide a valuable reference data ...
Meeting Document : WG-SAM-18/19 : Auteur(s): K. Demianenko, L. Pshenichnov, O. Diripasko and V. Gurianov