Résultats de la recherche

1. Circumpolar connections between Antarctic krill (Euphausia superba Dana) populations: Investigating the roles of ocean and sea ice transport

   Abstract:  Antarctic krill, Euphausia superba Dana, has a heterogeneous circumpolar distribution ... in the Southern Ocean. Krill have a close association with sea ice which provides access to a ... pathways of krill have until now been on regional scales and have not taken explicit account of sea ice ... potential roles of the ocean and sea ice in maintaining the observed circumpolar krill distribution. We show ...

   Meeting Document : WG-EMM-07/P10 : Auteur(s): S.E. Thorpe, E.J. Murphy and J.L. Watkins (United Kingdom)

2. On possible influence of continuous krill fishing technology with the use of ‘air-bubbling suspension system’ on ecosystem elements

   , accordingly, form the fishing process influence on ecosystem components, such as juvenile fish, larvae ... relationships to fish, birds and mammals. It was discussed the potential major sources and scenarios of ... (seals, fish, for instance), though not fished by trawl, can be exposed to ecological pressing at a ... Abstract:  It was shown that potential increase in krill fishery in the immediate future ...

   Meeting Document : WG-EMM-06/27 : Auteur(s): S.M. Kasatkina and V.A. Sushin (Russia)

3. Target strength estimation of Antarctic krill, Euphausia superba by cooperative experiments with commercial trawlers

   Abstract:  An estimate of target strength of Antarctic krill, Euphausia superba was obtained by a ... series of cooperative experiments between research vessel and commercial krill trawler. Estimated target ... strength per 1g wet weight of Antarctic krill was-66.ldB a t the frequency of 200kHz. Average size of krill ... Antarctic krill, Euphausia superba by cooperative experiments with commercial trawlers Approval:  Approved ...

   Meeting Document : SC-CAMLR-VIII/BG/30 : Auteur(s): Delegation of Japan

4. Krill distribution related to water structure and dynamics on the South Georgia shelf in January 2000 (AtlantNIRO-BAS Core Programme 1999/2000)

   Abstract:  Research on water structure and dynamics, krill biomass assessment, biology and ... each box. Krill were distributed rather evenly throughout both boxes, but no dense concentrations were ... apparent. In the western box krill density was nearly 0.2 glm3 and in the eastern box was 1.8- 4.7 glm3 ... • Juvenile krill of 30-36 mm length were observed in the shelf zone and larger specimens, including spawning ...

   Meeting Document : WG-EMM-00/51 : Auteur(s): V.A. Sushin (Russia), P.P. Chernyshkov (Russia), F.F. Litvinov (Russia), J.L. Watkins (United Kingdom) and A.S. Brierley (United Kingdom)

5. Preliminary results of the experiments on the krill transport study in the South Orkney area (April 1992)

   area. The krill biomass was estimated within the square at the start and the end of works. It amounted ... assessment of krill density and oceanological stations were carried out along the square perimeter. Four ... average estimates of krill density were obtained by 15-miles intercepts of the perimeter, along with mean ... water flow and geostrophic currents. The balance of krill input and output for the square was calculated ...

   Meeting Document : WG-CEMP-92/34 : Auteur(s): L.G. Maklygin, V.N. Shnar, A.P. Malyshko (Russian Federation) and A.G. Shepelev (Ukraine)

6. Analysis of variables influencing finfish by-catch in the krill fishery in Area 48

   -2011/12. The majority of fish caught were either small juveniles or larvae, dominated by Myctophidae ... variables influencing finfish bycatch in the krill fishery of Area 48. Records of finfish bycatch in the ... Area 48 krill fishery collected by observers on the FV Saga Sea were analysed over the period 2007/08 ... , krill catch, sea surface temperature, bottom depth and fishing depth and season were all significantly ...

   Meeting Document : WG-EMM-12/28 : Auteur(s): S.M. Martin, T. Peatman, J. Moir Clark (United Kingdom), O.R. Godø (Norway) and R.C. Wakeford (United Kingdom)

7. Key considerations for planning a large-scale krill survey

   management (FBM) approaches for the krill stock in subareas 48.1 to 48.4. These approaches include some which ... needs reliable indicators of krill stock size at appropriate spatial scales. It is likely that future ... FBM approaches will require regular information on krill stock size at relatively fine spatial scales ... ) might also play a role in the future management of the krill fishery. Such surveys provide an indication ...

   Meeting Document : WG-EMM-15/27 : Auteur(s): S. Hill, J. Watkins (United Kingdom), O.R. Godø (Norway), S. Kawaguchi (Australia), D. Kinzey, C. Reiss (USA), V. Siegel (Germany), P. Trathan (United Kingdom) and G. Watters (USA)

8. Catchability of midwater trawls in relation to krill fishery

   , krill aggregations distribution in the study area is discussed. It is shown that while the trawl ... selectivity affects krill length composition in each trawl sample, the trawl catchability affects the ... estimation of total krill lengths distribution, obtained on the basis of trawl samples from different catched ... total distribution of krill length, obtained using weighting of trawl samples (usually 200 ind.) against ...

   Meeting Document : WG-EMM-98/20 : Auteur(s): S.M. Kasatkina (Russia)

9. Spatial and temporal distribution of krill Euphausia superba biomass in the Ross Sea (1989/90, 1994/95)

   - Januar 1990 and November- December 1994), presents how is spatial and temporal distribution of krill ... polynia area) and moved towards North. All the time daytime was prevaled. Krill in aggregations both below ... , many times, on the pieces of ices broke up by icebreaker, individuals of krill were observed, it can be ... supposed that below ice krill occurred mainly in scattered forms very close to surface. Aggregations of ...

   Meeting Document : WG-EMM-97/53 : Auteur(s): Kalinowski, J., Azzali, M.

10. On the examining of krill flux

    Abstract:  In connection with future calculation of volume of krill immigration/emigration (flux ... ) in the choosen polygones, the proves of active long-distance migrations of krill are considered ... results of calculations, is the valuation of krill retention time. To make it more correct and natural it ... is necessary to take into account the biological characteristics of krill, especially for the regions ...

    Meeting Document : WG-EMM-95/19 : Auteur(s): Makarov, R.

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