Search results
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Shags in Antarctica: their feeding behaviour and ecological role in the marine food web.
flying birds in Antarctica and match deep dives performed by small Antarctic penguins. Shag individuals ... partially explained by the effect of the commercial fishery on shags’ fish preys. In inshore-shallow waters ...
Meeting Document : WG-FSA-05/P5 : Author(s): Casaux, R., Barrera-Oro, E.R.
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Informe preliminar sobre un viaje de pesca de merluza negra (Dissostichus eleginoides) del B/P Viarsa I, en el Océano Indico oriental (Área Estadística 57) – Abril–junio 2002
Dissostichus elegjnoides, obtained by a Scientific Observer from DINARA on board of the uruguayan F/V “Viarsa I ... april to the 24 of june 2002. It was determined five zones by the F/V “Viarsa I” fishing operative ...
Meeting Document : WG-FSA-02/67 : Author(s): H. Nion y O.D. Pin (Uruguay)
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First Annual Report of the CCAMLR Otolith Network, 2002
indicate major differences in the criteria used by the readers. Similarly, there was little evidence that ... several cases may be explained by apparent differences in the timing of formation of translucent zones ...
Meeting Document : WG-FSA-02/51
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Improvements to the multiple-frequency method for in situ target strength measurements
improves the rejection of unresolvable and constructively interfering target multiples by combining ... integer multiples of each other. In this study, the method itself was improved by: 1) optimizing the ...
Meeting Document : WG-EMM-99/38 : Author(s): D.A. Demer (USA) and M.A. Soule (South Africa)
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Foraging partitioning between giant petrels Macronectes spp. and its relationship with breeding population changes at Bird Island, South Georgia
Abstract: We tracked by satellite the foraging trips of males and females of the two sibling ... may be reduced by the limited overlap in the activity range, with southern giant petrels foraging ...
Meeting Document : WG-FSA-99/39 : Author(s): J. González-Solís, J.P. Croxall and A.G. Wood (United Kingdom)
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Concordance of inter-annual fluctuations in densities of krill around South Georgia and Elephant Islands: biological evidence of same-year teleconnections across the Scotia Sea
mirrored by those at the other location; for example, 1991 and 1994 were years of very low krill density at ... similarities suggests that densities of krill at both locations are directly linked, and may be impacted by the ...
Meeting Document : WS-AREA 48-98/11 : Author(s): A.S. Brierley (UK), D.A. Demer, R.P. Hewitt (USA) and J.L. Watkins (UK)
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CCAMLR measures regulating the tagging of Dissostichus species, metrics used to assess vessel tagging performance, the potential for some anomalous results, and general recommendations on tagging; a view from the hauling room
performance measures implemented by CCAMLR to control and monitor the tagging of toothfish (Dissostichus ... in Annex 41-01/C is evaluated by means of simple simulations. The results of this analysis indicate ...
Meeting Document : WG-FSA-11/50 : Author(s): J.M. Fenaughty (New Zealand) and J. Brown (United Kingdom)
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Net sample validation of acoustic techniques used to identify and size Antarctic krill
Abstract: Acoustic surveys to estimate krill biomass require that sound backscattered by krill be ... identified and distinguished from all other types of backscatter. Traditionally this has been achieved by ...
Meeting Document : WG-EMM-97/46 : Author(s): Watkins, J.L., Brierley, A.S.
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Distribution and abundance of krill in the vicinity of Elephant Island in the 1992 austral summer
last surveys covered a 105 by 105 n.mi. study area centered on Elephant Island; the second and third ... surveys covered a 60 by 35 n.mi. area immediately north of Elephant Island. During the first survey, krill ...
Meeting Document : WG-CEMP-92/15 : Author(s): R.P. Hewitt and D.A. Demer (USA)
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Interannual variability of standardised index of krill abundance in Area 48 according to CCAMLR fishery statistics database
performance of the fishery and attractiveness of any SSMU for fleet operation will determined by the fishable ... different trends of CPUE distribution by Subareas and SSMUs, differences between spatial-temporal ...
Meeting Document : WG-EMM-10/17 : Author(s): P.S. Gasyukov and S.M. Kasatkina (Russia)