Resultados de la búsqueda
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Chiller killers – first steps towards identifying krill pathogens
Abstract: Antarctic Krill (Euphausia superba) is a ‘keystone species’ in the Southern Ocean ... seals. Despite its ecological and economic importance, research into krill and other crustacean diseases ... waters of Antarctic krill northern distribution limit have experienced significant warming. In a changing ... survey of krill from the Southern Ocean. In the present study and for the first time, krill were sampled ...
Meeting Document : WG-EMM-15/23 : Autor(es): K. Bateman, R. Hicks, G. Tarling, M. Soeffker and G. Stentiford (United Kingdom)
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Demography of Antarctic krill in the Lazarev Sea (Subarea 48.6) and the Elephant Island area (Subarea 48.1) in 2004
Abstract: Standardized krill net sampling surveys were conducted in the Lazarev Sea (Subarea 48.6 ... . Krill densities in the Elephant Island area were below the long-term average which mark a substantial ... decline after the good krill years in 2001 and 2002. Krill density was lower in the Lazarev Sea, even ... -year- old (R1) and two-year-old krill (R2) were calculated for both areas, showing low values for R1 ...
Meeting Document : WG-EMM-04/23 : Autor(es): V. Siegel (Germany), V. Loeb (USA), B. Bergström (Sweden), S. Schöling (Germany), M. Haraldsson (Sweden), J. Kitchener (Australia), M. Vortkamp (Germany)
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ADULT ANTARCTIC KRILL FEEDING AT ABYSSAL DEPTHS
Abstract: Antarctic krill (Euphausia superba) is a large euphausiid, widely distributed within ... bulk of the population of postlarval krill is typically confined to the top 150 m of the water column ... . Here, we report for the first time the existence of significant numbers of Antarctic krill feeding ... operated vehicle Isis in the austral summer of 2006/07 have revealed the presence of adult krill (Euphausia ...
Meeting Document : WG-EMM-08/P01 : Autor(es): A. Clarke and P.A. Tyler
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Krill distribution variability and fishery conditions within the local ground of Subarea 48.3 in June 1991
Abstract: Experiments on estimation of krill transport by a current and its distribution ... is shown that krill transport by wat4er flow across the fishing ground results in variation of fished ... krill aggregations distribution, and thus, in unstable indices of fishing vessels activity. During the ... the period of observations (29.05.91–03.06.19) at variable krill distribution characteristics due to ...
Meeting Document : WG-EMM-95/04 : Autor(es): Kasatkina, S.M.
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On selectivity of commercial and research trawls when krill catching
krill trawls within the frame of krill density precise estimates provision problem in echo-surveys. The ... results of fishing one krill aggregation with two types of trawls (PT 72/308 commercial trawl and Isaacs ... significant variability of krill size composition in catches. Average krill length differed more than in 6 mm ... selectivity features will especially affect the estimates of composition, abundance and biomass by krill size ...
Meeting Document : WG-EMM-96/34 : Autor(es): Kasatkina, S.M.
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Acoustic data analysis and models of krill spatial distribution
used in three descriptors of krill spatial aggregation: power spectra for krill biomass fluctuations in ... space, semivariogram (spatial autocorrelation of krill biomass) and the frequency distribution of krill ... . The computed frequency distribution of krill biomass is bimodal and appears to be the mixture of two ... . These results of data analysis suggest that krill patch size or rather a basic swarm size should be ...
Meeting Document : SC-CAMLR-VII/BG/25 : Autor(es): United States of America
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Sensitivity analysis identifies high influence sites for estimates of penguin krill consumption on the Antarctic Peninsula
Abstract: Krill consumption by natural predators represents a critical link between surveys and ... models of standing krill biomass and the design of a sustainable krill fishery for the Scotia Sea ... . Antarctic krill (Euphausia superba) is a significant component of diet for penguins breeding in this region ... in krill predation estimates. We use a comprehensive database of Antarctic penguin abundances to ...
Meeting Document : WG-EMM-12/P02 : Autor(es): H.J. Lynch, N. Ratcliffe, J. Passmore, E. Foster and P. N. Trathan
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Products for human consumption from krill (Euphausia superba)
Abstract: Studies were conducted to formulate different products using krill meat stored for 2 ... months at-30°C and one month at-20°C. Dried krill of good quality could be prepared by blanching krill in ... boiling 5% Na Cl solution for 5 minutes and then sundrying. Incorporation of krill mince even at a level ... like flavour was imparted on mixing krill mince with fish mince during preparation of fish cutlet and ...
Meeting Document : WG-EMM-98/41 : Autor(es): J. Joseph, V. Muraleedharan, R. Thankamma and C.N. Ravishankar (India)
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Multiple acoustic estimates of krill density at South Georgia during 2000/2001 reveal significant intra-annual and spatial variability
Abstract: Three separate acoustic surveys of Antarctic krill (Euphausia superba) were conducted ... extensive coverage around South Georgia. Krill density in the western box in the early-season survey was ... that is consistent with observations from previous years, krill density in the western box mid-season ... data revealed no significant difference between the mean krill density derived from only those 4 ...
Meeting Document : WG-EMM-01/15 : Autor(es): A.S. Brierley, C. Goss, S.A. Grant, J.L. Watkins, K. Reid, M. Belchier, I. Everson, M.J. Jessop, V. Afanasyev and J. Robst (United Kingdom)
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Estimates of global krill abundance based on recent acoustic density measurements and their implications for the calculation of precautionary catch limits and the designation of management areas
Abstract: The global abundance of krill is estimated using recent estimates of krill density from ... acoustic surveys and historical information on the overall range of krill. The biomass estimates fall ... underestimation of the range, or of the acoustic biomass estimates, the possibility of a large, undetected krill ... population, and the overestimation of the demand for krill by predators. Even if these low global krill ...
Meeting Document : WG-EMM-99/22 : Autor(es): S. Nicol, A. Constable and T. Pauly (Australia)