Résultats de la recherche
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A proposal for large scale sampling of krill in the diet of predators across Area 48 to coincide with the CCAMLR synoptic survey
Antarctic krill Euphausia superba across the Scotia Sea. Resolution of the spatial component of this ... variability requires a 'snapshot' of the krill population over the region (eg the CCAMLR B0 survey ... South Georgia krill in the diet of Antarctic fur seal Arctocephalus gazella show a good level of ... concordance with scientific net samples. In order to examine the potential of using krill in the diet of ...
Meeting Document : WG-EMM-99/33 : Auteur(s): K. Reid (United Kingdom)
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An initial examination of using CPUE as a fishery performance index for the krill fishery
Abstract: Early analyses of CPUE in the krill fishery concluded that it was not a useful index of ... krill abundance. However, understanding the factors effecting the operation of the krill fishery and the ... extent to which these reflect changes in krill abundance are key elements of developing feedback ... management of the krill fishery. This analysis reviewed catch and effort data from the krill fishery for the ...
Meeting Document : WG-EMM-16/10 : Auteur(s): CCAMLR Secretariat
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Preliminary announcement of ‘Workshop on Krill Culturing Techniques’
Abstract: This document is to announce our intension to hold ‘Workshop on krill culturing ... recently succeeded in reproducing and raising Antarctic krill up to juvenile stages under an artificial ... . Developing techniques of culturing krill in large number is thought to be a major break through for further ... understanding of krill biology. However, these achievements are not effectively gathered to provide a standard ...
Meeting Document : WG-EMM-01/37 : Auteur(s): Delegation of Japan
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Modelling Southern Ocean krill population dynamics: biological processes generating fluctuations in the South Georgia ecosystem
important aspect of the variation is fluctuation in the abundance of krill, the major prey item of many of ... . So far, however, there has been little quantitative assessment of the importance of krill population ... dynamics in the observed variation. Here, analyses of a model of krill population development and predator ... diet data from South Georgia were used to examine seasonal changes in the population structure of krill ...
Meeting Document : WG-EMM-01/53 : Auteur(s): E. Murphy and K. Reid (United Kingdom)
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Relationship between distribution of Antarctic krill (Euphausia superba) and environmental index MTEM-200 in the Antarctic Ocean throughout the year
Abstract: Antarctic krill (Euphausia superba) is the key species of the Antarctic marine ... ecosystem and human fishing resources. Essentially, relationships between krill distribution and ... the entire Antarctic Ocean. To clarify the relationship between krill distribution of krill and ... oceanographic environment, we have analysed two datasets combined. One is krill fishing records from 1973 to ...
Meeting Document : WG-EMM-08/32 : Auteur(s): M. Naganobu, T. Kitamura and K. Hasunuma (Japan)
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A note on relating krill CPUE measures to abundance trends
Abstract: A crude mathematical framework is developed to describe krill abundance in terms of ... selected parameters of various aggregation behaviours exhibited by krill (Euphausia superba Dana). The ... ) for the Antarctic krill fishery is considered. The combined index of catch-per-hour of trawling ... divided by average inter-concentration search time is suggested as a possible measure of krill abundance ...
Meeting Document : WS-KCPUE-85/03 : Auteur(s): D.G.M. Miller and D.S. Butterworth (South Africa)
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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 : Auteur(s): K. Bateman, R. Hicks, G. Tarling, M. Soeffker and G. Stentiford (United Kingdom)
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Krill fishery information
Abstract: A compilation of information and work pertaining to the krill fisheries in CCAMLR ... the krill fishery and krill predators; • An updated plan for the krill fishery in Area 48 ... ; • information on the potential of krill products as aquafeeds. Author(s): Secretariat Title: Krill fishery ...
Meeting Document : WG-EMM-03/28 : Auteur(s): Secretariat
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Krill fishery report: 2005 update
Abstract: This report on the krill fishery in Area 48 has been prepared in a format similar to ... from 6 Contracting Parties are fishing for krill in Area 48 in the 2004/05 season, and these vessels ... have taken 62049 t of krill to date. Two CCAMLR scientific observers have been deployed. The ... preliminary estimate of the total catch of krill for the season is approx 142000 t. This compares with 118166 ...
Meeting Document : WG-EMM-05/5 : Auteur(s): Secretariat
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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 : Auteur(s): V. Siegel (Germany), V. Loeb (USA), B. Bergström (Sweden), S. Schöling (Germany), M. Haraldsson (Sweden), J. Kitchener (Australia), M. Vortkamp (Germany)