Résultats de la recherche
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Characteristics of krill aggregations in 48.4 subdivision during January–February 2000
Abstract: It has been showed that krill spatial distribution in 48.4 Subarea was characterized by ... have been revealed differences between spatial distribution patterns of krill aggregations of different ... characteristics of some 2400 krill swarms detected and sized acoustically in the study area have been described ... been made an analysis of krill biomass horizontal and vertical distributions in the study area in ...
Meeting Document : WG-EMM-01/42 : Auteur(s): S.M. Kasatkina, A.P. Malyshko, V.N.Shnar and O.A. Berezhinskiy (Russia)
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On the problem of by-catch of juvenile fish in krill fishery
Abstract: Studies of by-catch of juvenile fish in krill catches by research vessels were ... krill trawl with an opening area in a small meshed section of the trawl beg of 100 m2. Catches were ... species of fish in krill catches were Pleuragramma antarcticum, Electrona antarctica and Trematomus ... 106 fish per tonne of krill caught. Small by-catch of fish was usually observed when krill catches ...
Meeting Document : WG-FSA-92/10 : Auteur(s): C.A. Pankratov and E.A. Pakhomov (Ukraine)
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Analysis and modelling of the Soviet Southern Ocean krill fleet
Paper Title: Analysis and modelling of the Soviet Southern Ocean krill fleet Abstract ... / Description: The first part of this document contains an analysis of data pertaining to the Soviet krill ... process such as trawl duration, krill catch, or between trawl movement. Correlation analyses are presented ... support the notion of a “patches within patches” model for the distribution of krill in the southern ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 127–235 : Auteur(s): Mangel, M.
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Feeding behaviour of Antarctic krill on salps
Abstract: Feeding behavior of Antarctic krill (Euphausia superba) on salps was observed through ... 1 salp/krill/day. Among 4 items of ethanol extracts; salps, phytoplankton, krill, and polychaets ... , krill preferred salps best. This evidence implies that the substances extracted from salps were most ... attractive to krill. The result of our experiment might indicate a tight ecological relationship between ...
Meeting Document : WG-EMM-95/57 : Auteur(s): Takahashi, Y., Kawaguchi, S.
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On the possibility of practical utilisation of krill target strength TS in situ obtained on the basis of EK-500 measurements
Abstract: Comparative analysis of krill length distribution in the echosurvey area, obtained with ... trawl and acoustic methods is presented. Besides, the acoustic estimate of krill length composition was ... situ at the frequency of 120 kHz as measured with echosounder EK-500 (split-beam) principle). Krill was ... caught with the commercial trawl RT 741448. It was shown that differences between krill length ...
Meeting Document : WG-EMM-98/19 : Auteur(s): S.M. Kasatkina (Russia)
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Size and stage composition of age class 0 Antarctic krill (Euphausia superba) in the ice-water interface layer during winter/early spring
Abstract: The condition and survival of Antarctic krill (Euphausia superba) strongly depends on ... sea ice during winter. How krill utilize sea ice depends on several factors such as region and ... developmental stage. A comprehensive understanding of sea ice habitat use by krill, however, remains largely ... unknown. The aim of this study was to improve the understanding of the krill's interaction with the ...
Meeting Document : WG-EMM-16/P16 : Auteur(s): F. Schaafsma, C. David, E. Pakhomov, B. Hunt, B. Lange, H. Flores, J.A. van Franeker
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Characteristics of interannual variation in aggregation and diurnal vertical migration of Antarctic krill at South Georgia during winter
index and diurnal vertical distribution for Antarctic krill in krill fishing grounds (hotspots) at South ... Georgia during winter based on Japanese krill fishery data during the period 1990-2012. High density and ... follows: Median CPUEs did not show particularly low values in winter even when krill abundance and ... predator performance were poor in the previous summer. Krill recruitment index at South Georgia suggested ...
Meeting Document : WG-EMM-18/34 : Auteur(s): T. Ichii, Y. Mori, P.N. Trathan, K. Mahapatra, M. Okazaki, T. Hayashi and T. Okuda
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Density estimation of Antarctic krill (Euphausia superba) around South Shetland Island and Elephant Island (Subarea 48.1) using two frequencies with 38 and 120 kHz
Abstract: The density of Antarctic krill swarm inhabiting the Subarea 48.1, which includes the ... in 2019. Krill were collected by the commercial midwater trawl fishing vessel. The data were ... software for swarm identification) and interval method based on distribution of (a) total krill AT and (b ... ) each transects krill AT. The weighted krill density was estimated to be 4.27 g/m 2 (CV=43.42%) applying ...
Meeting Document : SG-ASAM-2019/03 Rev. 1 : Auteur(s): S. Choi, S. Chung, I. Han, W. Oh, D. An and K. Lee
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Krill: the power lunch of Antarctica
Abstract: For several years, ASOC has been calling for improved management of Antarctic krill ... coverage on board krill vessels, identifying priority objectives for research and development in support of ... the management of the krill fishery, conducting a new krill synoptic survey, keeping the trigger level ... efforts towards estimating green weight and krill escape mortality, reviewing krill notifications ...
Meeting Document : CCAMLR-XXXIII/BG/25 : Auteur(s): Submitted by ASOC
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Relationship between Antarctic krill (Euphausia superba) variability and westerly fluctuations and ozone depletion in the Antarctic Peninsula area
and density of Antarctic krill (Euphausia superba) is important, as variability in krill stocks ... affects the Antarctic marine ecosystem as a whole. We have assessed variability in krill recruitment and ... . We found a significant positive correlation between krill recruitment in the Antarctic Peninsula area ... summer season resulted in high krill recruitment in 1987/1988, 1990/1991, and 1994/1995, while the years ...
Meeting Document : WG-EMM-99/52 : Auteur(s): M. Naganobu, K. Kutsuwada, Y. Sasai and T. Taguchi (Japan) and V. Siegel (Germany)