Resultados de la búsqueda
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Broadbandwidth total target strength measurements of Antarctic krill (Euphausia superba) from reverberation in a cavity
Antarctic krill, thus reducing the uncertainty in biomass estimation using multi-frequency echo sounder data ... Abstract: Total scattering cross-sections (st) of Antarctic krill, Euphausia superba, were ... strengths (??10log(??4?) t TTS), were measured from groups of 57 to 1169 krill (average standard length ... omnidirectional emitter into one of three glass carboys containing groups of krill swimming in 9.3, 19.3 or 45.9 l ...
Meeting Document : WG-EMM-02/49 : Autor(es): D.A. Demer and S. G. Conti (USA)
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Modelling the predator–prey interactions of krill, baleen whales and seals in the Antarctic ecosystem
Abstract: The history of human harvests of seals, whales, fish and krill in the Antarctic is ... summarized briefly, and the central role played by krill emphasized. The background to the hypothesis of a ... krill surplus in the mid 20th Century is described, and the information on population and trend levels ... krill, four baleen whale (blue, fin, humpback and minke) and two seal (Antarctic fur and crabeater ...
Meeting Document : WG-EMM-05/34 : Autor(es): M. Mori and D.S. Butterworth (South Africa)
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The Norwegian SWARM project: from swarming behaviour to trophic interactions: modelling dynamics of Antarctic krill in ecosystem hotspots using behaviour-based models
Orkneys by deploying acoustic moorings in a commercially exploited area. Data gathered from the moorings ... ocean physics and behaviour in driving krill biomass variation in the area. Author(s): T.A. Klevjer, G ... behaviour to trophic interactions: modelling dynamics of Antarctic krill in ecosystem hotspots using ...
Meeting Document : WG-EMM-17/26 : Autor(es): T.A. Klevjer, G. Rieucau, A.H.H. Renner, G. Skaret and O.R. Godø
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A RE-APPRAISAL OF THE TOTAL BIOMASS AND ANNUAL PRODUCTION OF ANTARCTIC KRILL
krill fishery, our net-based data help to set a conservative estimate of total krill biomass. Author(s ... production are still very uncertain. Recently, circumpolar krill databases, combined with growth models and ... standardised net sampling methodology but they integrate over the period 1926-2004, during which krill ... abundance has fluctuated. To estimate krill biomass at the end of last century we combined the KRILLBASE map ...
Meeting Document : WG-EMM-08/17 : Autor(es): A. Atkinson (United Kingdom), V. Siegel (Germany), E.A. Pakhomov (South Africa), M.J. Jessopp (United Kingdom) and V. Loeb (USA)
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Consumption of krill by minke whales in Areas IV and V of the Antarctic
Abstract: The consumption of Antarctic krill (Euphausia superba) by the southern minke whale ... Whale Research Program Under Special Permit in the Antarctic) data. Estimates of the daily food ... IV were equivalent to roughly one- fourth of a total estimate biomass of krill in Area IV ... : Consumption of krill by minke whales in Areas IV and V of the Antarctic Approval: Approved ...
Meeting Document : WG-EMM-97/17 : Autor(es): Fujise, Y., Tamura, T., Ichii, T.
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Net diagrams for Russian vessel notified for krill fishery in 2015/16
Abstract: According to the requirements of the Conservation Measure 21-03 (2014), this document ... krill fishery in 2015/16 Microsoft Word File: emm-15-29.doc Approval: Approved Secretariat Workflow ...
Meeting Document : WG-EMM-15/29 : Autor(es): Delegation of the Russian Federation
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The Role of Fish as Predators of Krill (Euphausia superba) and Other Pelagic Resources in the Southern Ocean
Abstract: First attempts were made in the early 1980’s to estimate the krill and pelagic food ... number of food studies were conducted. Currently, the best estimates of krill consumption by fish are 23 ... – 29. 106 tonnes of krill and other pelagic prey taken annually by demersal fish and 7 – 44. 106 tonnes ... consumption data in some abundant myctophid species. Major shortcomings of the consumption estimates of ...
Meeting Document : CCAMLR-IWC-WS-08/09 : Autor(es): Collins, M.A., Williams, R., Agnew, D.J., Kock, K.-H., Belchier, M., Shust, K.V., Welsford, D., Hanchet, S., Pshenichnov, L., Barrera-Oro, E.
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Hydrography and acoustic biomass estimates of Antarctic krill (Euphausia superba) near the South Shetland Islands, Antarctica, during January 2000: preliminary results
Abstract: To estimate the abundance and distribution of Antarctic krill (Euphausia superba) in ... the R/V Onnuri from 9 to 19 January 2000. The acoustic data were obtained using a Simrad EK500 ... ) mesoscale box (total transect length = 459 nautical miles, area = 11,313 n mile2). Krill were collected with ... George Island. The length-weight relationship of krill sampled during the survey was w = 0.0035*(L)3.2108 ...
Meeting Document : WG-EMM-00/52 : Autor(es): D. Kang, Y. Lee, H.-C. Shin, W. Lee and S. Kim (Republic of Korea)
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Assessment of fishing intensity of krill in Subarea 48.2 during the season of 1989/90
Abstract: The research performed was aimed at assessment of fishing fleet impact upon krill ... (data of 2900 trawlings are used) in the South Orkneys area during December 1989- March 1990. In the ... above period total krill catch amounted to 88.9 thous. t which constitutes the upper limit of seasonal ... months of the highest fleet pressure for entire period from 1984 to 1993. Krill fishery was concentrated ...
Meeting Document : WG-EMM-97/51 : Autor(es): Ivanova, V.I., Sushin, V.A., Kasatkina, S.M.
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A spatial multi-species operating model of the Antarctic Peninsula krill fishery and its impacts on land-breeding
Abstract: An updated version of the Spatial Multi-species Operating Model (SMOM) of krill ... advice regarding the subdivision of the precautionary catch limit for krill among 15 small-scale ... envelopes could be narrowed given improved data on key parameters such as survival. Results are useful for ... evaluating different spatial allocations of krill catches. An example is given of how such a framework can be ...
Meeting Document : WG-SAM-07/12 : Autor(es): É.E. Plagányi and D.S. Butterworth (South Africa)