Search results
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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 ... in 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 : Author(s): S.M. Kasatkina (Russia)
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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 ... are as 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 : Author(s): T. Ichii, Y. Mori, P.N. Trathan, K. Mahapatra, M. Okazaki, T. Hayashi and T. Okuda
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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 ... the bottom depth range from 100 to 5000 m. In 1988, studies included catches taken by a commercial krill ... of fish in krill catches were Pleuragramma antarcticum, Electrona antarctica and Trematomus eulepidotus ... of krill caught. Small by-catch of fish was usually observed when krill catches were higher than 2 tonnes ...
Meeting Document : WG-FSA-92/10 : Author(s): C.A. Pankratov and E.A. Pakhomov (Ukraine)
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DEMOGRAPHIC PATTERNS OF ANTARCTIC KRILL (EUPHAUSIA SUPERBA) EXPLAIN THE SPATIAL SEGREGATION OF BALEEN WHALES (MYSTICETI) AROUND THE SOUTH SHETLAND ISLANDS, ANTARCTICA
and Antarctic krill (Euphausia superba) abundance and demography near the South Shetland Islands (Antarctic ... Peninsula) and test whether whales exhibit interspecific differences in their exploitation of krill ... resources. Whale distributions were based on visual surveys and krill distribution, abundance ... sampled over five years resulting in the most comprehensive linked whale-krill study in the SW Atlantic ...
Meeting Document : WG-EMM-09/33 : Author(s): J.A. Santora, C.S. Reiss, V.J. Loeb and R.R. Veit (USA)
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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 ... to krill. The result of our experiment might indicate a tight ecological relationship between krill ... be a possibility of link between microbial loop and krill through salps. Author(s): Takahashi, Y., Kawaguchi ...
Meeting Document : WG-EMM-95/57 : Author(s): Takahashi, Y., Kawaguchi, S.
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Krill fishery report: 2012 update
have fished for krill in Area 48; one vessel is using the continuous fishing system. The total catch ... were fishing, at the time of preparing this report, and 935 t of krill has been reported so far ... for June. The forecast total catch of krill for this season ranges approximately from 108000 to 151000 ... t. In 2010/11, 13 vessels fished for krill in Area 48 and the total catch of krill was 180986 t; two vessels ...
Meeting Document : WG-EMM-12/05 : Author(s): Secretariat
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Conservation of Antarctic pack-ice seals with increasing krill fishing and environmental change
Abstract: The management of Antarctic krill and conservation of its predators requires ... . For Antarctic pack-ice seals, a main group of krill predators, we report the spatial density and krill ... consider long-term changes in suitable pack-ice habitat, increased fishing pressure and potential krill ... and in the entire area, over 3 million crabeater seals can consume over 12 million tonnes of krill, approximately 17 ...
Meeting Document : WS-MPA-11/24 : Author(s): J. Forcada, P.N. Trathan (UK), P.L. Boveng (USA), I.L. Boyd (UK), D.P. Costa (USA), M. Fedak (UK), T.L. Rogers and C.J. Southwell (Australia)
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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 ... ).. There 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 ...
Meeting Document : WG-EMM-01/42 : Author(s): S.M. Kasatkina, A.P. Malyshko, V.N.Shnar and O.A. Berezhinskiy (Russia)
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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 ... estimating green weight and krill escape mortality, reviewing krill notifications procedures with the aim ...
Meeting Document : CCAMLR-XXXIII/BG/25 : Author(s): Submitted by ASOC
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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 ... in 2019. Krill were collected by the commercial midwater trawl fishing vessel. The data were processed ... 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 (a) total krill AT and 4.17 ...
Meeting Document : SG-ASAM-2019/03 Rev. 1 : Author(s): S. Choi, S. Chung, I. Han, W. Oh, D. An and K. Lee