Résultats de la recherche
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Estimating standing stock of krill using maximum entropy
Paper Title: Estimating standing stock of krill using maximum entropy File: 10everson.pdf ... of fish stocks. Can. J. Fish Aquat. Sci., 47: 1282–1291. commEnt mailto:i.everson@anglia.ac.uk ... standing stock of krill using maximum Entropy Inigo Everson Environmental Science Research Centre ... . (2006) describes a maximum entropy image reconstruction (MaxEnt) of the krill distribution using data ... stock of krill in the area and compare it with the estimate using the Jolly and Hampton (1990) method ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 193 : Auteur(s): Everson, I
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Phytoplankton distribution in the mixed layer: implication to krill abundance
Paper Title: Phytoplankton distribution in the mixed layer: implication to krill abundance ... MIXED LAYER: IMPLICATION TO KRILL ABUNDANCE* Hidekatsu Yamazaki and Thomas R. Osborn * (Revised ... operation time less significant. Although experiments suggest that krill are omnivorous, the animals ... krill's stomach is of the order of minutes. These reports imply that krill are continuously grazing, and ... schOOling and swimming behavior of krill may be related to foraging. A strategy to minimize energy ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 331–356 : Auteur(s): Yamazaki, H. and T.R. Osborn
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Krill processing factors
Abstract: There is a wealth of earlier papers on the topic of krill processing dominated by the ... works of Grantham (1977) “The Utilization of Krill”, Budzinski et al (1985), “The Possibilities of ... Processing and Marketing of Products Made from Antarctic Krill”, and from works produced by J. K McElroy ... market prices for Krill Products. Yield Estimates from round (Whole) Krill are as follows from McElroy ...
Meeting Document : WG-EMM-01/44 : Auteur(s): D. Rogers (USA)
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A comparison of Antarctic krill (Euphausia superba Dana) caught by nets and taken by macaroni penguins (Eudyptes chrysolophus Brandt): evidence for selection?
, we examined the potential selection of different length and maturity stages of Antarctic krill ... probability of obtaining length-frequency distributions of krill different from that obtained from the net ... samples. The krill taken by the macaroni penguins differed significantly from those caught in the nets ... . Small krill (28 to 38 mm) were absent from the stomach samples, whereas large krill (58 to 62 mm) were ...
Meeting Document : WG-EMM-96/08 : Auteur(s): Croxall, J.P., Hill, H.J., Trathan, P.N., Watkins, J.L.
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Krill length frequency distribution in Subarea 48.3 in January–April 1988 in relation to sources of its origin
Abstract: Krill length frequency distribution through subarea 48.3 in 1988 January-February is ... considered in the frame of hypothesis of krill resources forming from two sources: Antarctic Circumpolar ... Current and Weddell Scotia Sea water flow. It is shown, that small krill with the mode of about 33 mm is ... distance of about 30-60 miles, beyond boundary zone occurs larger krill with the mode of about 49 mm. Krill ...
Meeting Document : WG-EMM-03/40 : Auteur(s): F.F. Litvinov, V.N. Shnar, A.V. Zimin and V.V. Lidvanov (Russia)
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Using carapace measurements to determine the sex of Antarctic krill (Euphausia superba)
Abstract: Krill carapaces measurements have been used to reconstruct krill length frequencies in ... allometric equations for calculating total length from carapace length, were derived from South Georgia krill ... have not been validated using locally sampled krill. This study reports on a three year study ... validating the use of discriminant functions to determine sex of krill based on carapace length and width and ...
Meeting Document : WG-EMM-05/26 : Auteur(s): J.D. Lipsky, M.E. Goebel, C.S. Reiss and V. Loeb (USA)
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MULTIPLE TIME SCALES OF VARIABILITY IN THE KRILL POPULATION AT SOUTH GEORGIA
Abstract: The South Georgia region supports a high biomass of krill that is the subject to high ... inter-annual variability. The lack of a self-sustaining krill population at South Georgia means that ... ecosystem-based management of any krill fishery in the region. Krill acoustic density data from surveys ... conducted in the early, middle and late period of the summers of 2001 to 2005, together with krill ...
Meeting Document : WG-EMM-08/48 : Auteur(s): K. Reid, J. Watkins, E. Murphy, P. Trathan, S. Fielding and P. Enderlein (United Kingdom)
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Sounds like more krill
Abstract: Antarctic krill, Euphausia superba, comprise the foundation of the food-web in the ... Southern Ocean and are the target of a large fishery. Recently, the total abundance of krill in the Scotia ... Conservation of Antarctic Marine Living Resources (CCAMLR) to revise the precautionary catch level for krill in ... energy attributed to krill, scaled by the Greene et al. model of krill acoustical reflectivity or target ...
Meeting Document : WG-EMM-04/41 : Auteur(s): D.A. Demer and S.G. Conti (USA)
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Interannual variability in Antarctic krill (Euphausia superba) density at South Georgia, Southern Ocean: 1997 – 2013
Abstract: This paper, now in press in ICES Journal of Marine Science, presents krill density ... estimates for a 17 year time series of acoustic surveys of the Western Core Box at South Georgia. Krill ... -frequency identification window and converted to krill density using the Stochastic Distorted-Wave Born ... Approximation (SDWBA) target strength model. Krill density ranged over several orders of magnitude (0 to 10 000 ...
Meeting Document : WG-EMM-14/P04 : Auteur(s): S. Fielding, J. Watkins, P. Trathan et al.
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Investigations on midwater trawling for krill (Euphausia superba) in the Southern Ocean
. This included 5637 kg Antarctic krill (Euphausia superba), 6738 kg salps, 35 kg jelly fish, 12 kg krill ... juveniles, 2.2 kg lantern fish, 5.7 kg squid and 2.7 kg other fishes. Krill constituted 46 per cent of the ... Abstract: Results of harvesting operations for Antarctic krill (Euphausia superba) in Fishing ... Area 58 in the Indian Ocean Sector of Southern Ocean, during the First Indian Antarctic Krill ...
Meeting Document : WG-EMM-98/38 : Auteur(s): M.R. Bhoopendranath, M.K.R. Nair, A. Anrose and V.C. George (India)