Resultados de la búsqueda
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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 : Autor(es): S. Choi, S. Chung, I. Han, W. Oh, D. An and K. Lee
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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 : Autor(es): M. Naganobu, K. Kutsuwada, Y. Sasai and T. Taguchi (Japan) and V. Siegel (Germany)
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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 : Autor(es): Submitted by ASOC
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Krill fishery information
Abstract: This paper reviews information from krill fisheries operating in the CCAMLR Convention ... Area during the period July 1999 to June 2001. During that period, 14 vessels targeted krill in Area 48 ... during the 1999/2000 season (July 1999 to June 2000). A total of 104259 t of krill was caught, of which ... from within Area 48 (subarea not specified). Between July and November 2000, 11 vessels targeted krill ...
Meeting Document : WG-EMM-01/7 : Autor(es): Secretariat
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SPATIAL PATTERNS IN MACKEREL ICEFISH DIET PROVIDES INSIGHTS INTO KRILL ABUNDANCE AND DISTRIBUTION
krill-dependent species was dominated by the hyperiid amphipod Themisto gaudichaudii (92 % IRI) and was ... low in Antarctic krill (7 % IRI) compared with similar data for the same month in 2004-2006. The ... results are consistent with other indicators of krill availability on the South Georgia shelf, which ... indicate that the 2008/09 season was a particularly poor one for krill. Comparison of frequency of ...
Meeting Document : WG-EMM-09/27 : Autor(es): M.A. Collins and C.E. Main (United Kingdom)
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The relationship between krill (Euphausia superba) fishing areas in the west Atlantic and the species’ circumpolar distribution
which the bulk of the commercial krill catch has been taken. Correspondingly, the areas of the following ... krill concentrations and (d) south of the mean summer position of the 0°C isotherm using specialised ... computer software based on a Lambert Geographical Projection. As a secondary step, the mean krill density ... global biomass for krill within each of the above four regions. Similarly, the maximum estimated krill ...
Meeting Document : SC-CAMLR-VIII/BG/19 : Autor(es): Delegation of South Africa
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Development of the krill stock in the elephant island region during the 1996/97 season
Abstract: During December 1996 the Elephant Island standard grid was surveyed for krill and salps ... . Krill and salps were present at almost all of the stations, other epipelagic zooplankton species were ... relatively scarce. Maximum krill density exceeded 7350 juvenile krill per 1000 m3. In general krill density ... was much higher than in previous years. The krill stock was dominated by length classes around 35 mm ...
Meeting Document : WG-EMM-97/16 : Autor(es): Siegel, V.
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Modelling the consequences of Antarctic krill harvesting of Antarctic fur seals
Marine Living Resources (CCAMLR), management advice for the Antarctic krill (Euphausia superba) fishery ... should take the needs of the predators of krill into account in order to reduce the risk of deleterious ... an annual krill catch limit, which is expressed as a proportion (??= 0.116) of a survey biomass ... median krill escapement of 75% of its unexploited biomass would be sufficient to meet the needs of ...
Meeting Document : WG-EMM-01/66 : Autor(es): R.B. Thomson, D.S. Butterworth (South Africa), I.L. Boyd and J.P. Croxall (United Kingdom)
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Results on by-catch of fish during Ukrainian, Polish and Japanese krill fishery in the South Orkney Islands, South Georgia and Shetland Islands areas
krill Euphausia superba Dana conducted by the Ukrainian trawler Grigory Kovtun in the vicinity of South ... (January to February, 1994) to determine the proportion of juvenile fish forms in krill concentrations. In ... krill and 34588 ind./t krill respectively. In the Ukrainian sample, most of by-catch juveniles were ... referred to Champsocephalus gunnari and L. larseni, and its arithmetic mean was 78523076 ind./t krill and ...
Meeting Document : WG-FSA-96/19 : Autor(es): Cielniaszek, Z., Pakhomov, E.A., Iwami, T.
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Biomass of Antarctic krill around South Shetland using 2-dB difference method in April 2016
Abstract: Antarctic Krill plays an important role in Antarctic ecosystems as the medium that ... source for the future food resource. Since Krill is mainly schooled within 200m depth, mass catching is ... regulation that limits Krill catch amount using fishing survey and acoustic assessment data in order to ... utilize Krill resources continuously. This study is aimed to estimate the density and the biomass of Krill ...
Meeting Document : WG-EMM-16/60 : Autor(es): Delegation of the Republic of Korea