Search results
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WILL KRILL FARE WELL UNDER SOUTHERN OCEAN ACIDIFICATION?
Abstract: Antarctic krill embryos and larvae were experimentally exposed to 380 (control), 1000 ... of krill. No significant effects were detected on embryonic development or larval behaviour at 1000 μatm ... water pCO2 could rise up to 1400 μatm in krill’s depth range under the IPCC IS92a scenario by the year ... -response relationship for krill developmental and later stages, in order to predict the possible fate ...
Meeting Document : WG-EMM-11/P6 : Author(s): S. Kawaguchi, H. Kurihara, R. King, L. Hale, T. Berli, J.P. Robinson, A. Ishida, M. Wakita, P. Virtue, S. Nicol and A. Ishimatsu
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Some components of uncertainty in the CCAMLR 2000 acoustical survey of krill
acoustical estimate of krill abundance in FAO statistical area 48. The variance in system calibration ... absorption, and beam characteristics. Uncertainty in krill target strength (TS) was estimated using ... a distorted wave born approximation model of krill TS, fitted with measured distributions of animal lengths ... frequency measurements provided independent estimates of the krill biomass. The overall variance (1 1.33 ...
Meeting Document : WG-EMM-00/49 : Author(s): D.A. Demer (USA)
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Dynamic model of krill Euphausia superba swarm
, using the 38 and 120 kHz BioSonics dual-beam hydroacoustic system, numerous swarms of krill Euphausia ... (Okubo, 1980, 1986). It was assumed that the above mentioned model can also be applicable to krill swarms ... . Using physical parameters of the krills' swarm (density, length), the above assumption was verified ... . It was found that the vertical density pattern of krills' swarm, with a mean density of up to 1000 ...
Meeting Document : WG-EMM-95/68 : Author(s): Kalinowski, J., Azzali, M.
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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 ... of quantitative winter food studies. However, it is evident from this review that the importance of krill in fish ...
Meeting Document : CCAMLR-IWC-WS-08/09 : Author(s): 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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Acoustic estimates of krill density at South Georgia during 11 austral summers between 1981 and 1998
Abstract: Acoustic estimates of densities of Antarctic krill, Euphausia superba, at South Georgia ... are presented for eleven austral summers between 1981 and 1998. Krill abundance at the island fluctuated widely ... austral summer seasons were characterised by particularly low abundances of krill. For five of the summers ... . Brierley, J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson (UK) Title: Acoustic estimates of krill ...
Meeting Document : WG-EMM-98/51 : Author(s): A.S. Brierley, J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson (UK)
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Longterm monitoring of krill recruitment and abundance indices in the Elephant Island area (Antarctic Peninsula)
Abstract: Krill distribution and density are reviewed for the Elephant Island area with regard ... la Mare (1994a). The high interannual variability of krill recruitment is confirmed by the present ... fluctuations in krill density over the period 1977 to 1994 are also confirmed by this study using randomisation ... monitoring of krill recruitment and abundance indices in the Elephant Island area (Antarctic Peninsula ...
Meeting Document : WG-EMM-96/45 : Author(s): de la Mare, W., Loeb, V., Siegel, V.
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Incident of Antarctic krill (Euphausia superba) mass infection near the coasts of South Georgia Island (Subarea 48.3)
for the first time we found out young and mature antarctic krill Euphasia superba individuals affected ... of krill invasion increased 2.3 times. In shelf zone and on the continental slope of the South Georgia ... Island northern part, where definite currents provided for isolation of krill aggregations, affected ... individuals occurred everywhere. Author(s): M.S. Savich (Ukraine) Title: Incident of Antarctic krill ...
Meeting Document : WG-EMM-02/13 : Author(s): M.S. Savich (Ukraine)
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TECHNICAL INFORMATION ABOUT THE NORWEGIAN KRILL FISHING VESSELS
weight of krill onboard the three Norwegian krill fishing vessels, Saga Sea, Juvel and Thorshøvdi Author ... (s): Iversen, S.A. Title: TECHNICAL INFORMATION ABOUT THE NORWEGIAN KRILL FISHING VESSELS Approval: Approved ... of krill onboard the three Norwegian krill fishing vessels, Saga Sea, Juvel and Thorshøvdi ... TECHNICAL INFORMATION ABOUT THE NORWEGIAN KRILL FISHING VESSELS ...
Meeting Document : TASO-09/11 : Author(s): Iversen, S.A.
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Interannual variability of the South Georgia marine ecosystem: biological and physical sources of variation in the abundance of krill
. There is now extensive evidence that there are years when there is a very low abundance of Antarctic krill ... with the most obvious impacts on survival and breeding success of some of the major krill predators. The open ... structure by moving krill over large distances to areas where they are available to predator colonies ... of krill and the transport pathways emphasizing that both the causes and the consequences of events ...
Meeting Document : WS-AREA 48-98/8 : Author(s): E.J. Murphy, J.L. Watkins, K. Reid, P.N. Trathan, I. Everson, J.P. Croxall, J. Priddle, M.A. Brandon, A.S. Brierley (UK) and E. Hofman (USA)
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Preliminary report of sound-speed contrast and density of krill measured on board RV Kaiyo Maru
Abstract: The target strength (TS) of Antarctic krill, Euphausia superba, is a scaling factor ... of small animals like krill are difficult, the theoretical scattering models are used to predict ... , morphology, orientation, and material properties of krill are required. There are two important material ... -speed and density of krill were carried out. We report on those preliminary results. The mean total ...
Meeting Document : WG-EMM-05/36 : Author(s): Y. Takao, H. Yasuma, R. Matsukura and M. Naganobu (Japan)