Search results
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A synoptic review of energetic requirements of southern ocean krill predators
requirements of krill predators that may be in the most direct competition with the krill fishery. These krill ... species. Estimates' of the amount of krill needed. to sustain individuals and/or breeding pairs ... requirements of southern ocean krill predators Approval: Approved ... of krill predators that may be in the most direct competition with the krill fishery. These krill predators ...
Meeting Document : WG-EMM-96/19 : Author(s): Stansfield, A.M.
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By-catch of juvenile fishes – the Antarctic krill fishery
Abstract: One of the non-solved problems in krill exploitation has been the by-catch of fish ... larvae that use (or co-occurred) the krill swarms as their habitat. The detection of this problem started ... together with the massive antarctic krill exploitation during the 80's. There has been recognized ... several fish species whose larvae develop within the krill swarms, nevertheless, few have been ...
Meeting Document : WG-FSA-96/18 : Author(s): Moreno, C.A.
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Near-shore acoustic surveys for Antarctic krill at South Georgia, January 2004
of the surveys was to determine krill density near shore, in regions that have not traditionally been surveyed ... to 7 knots. Echo intensity data were scaled to krill density using a target strength determined from ... the length distribution of krill sampled from fur seal scats at Bird Island (mean krill length 53.13 mm, TS ... =-38.43 dB kg-1). Mean krill densities were 7.1 g m-2 off the Barff Peninsula and 5.7 g m-2 around ...
Meeting Document : WG-EMM-04/35 : Author(s): A.S. Brierley, P.N. Trathan, J. Poncet and A. Morton (United Kingdom)
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PROPERTIES OF WATER DYNAMICS AND KRILL DISTRIBUTION IN THE SOUTH SANDWICH ISLANDS SUBAREA
Abstract: of mean krill density in Subarea 48.4 there are premises for formation of the zones ... with meanders and eddy favorable for krill concentration. Here, in the cold water of the Weddell Sea, the main ... biomass was concentrated here, the mean krill density was 65 g/m2, and on local grounds – greater than 150 ... and eddies favorable for krill concentration; observed quasistationary character of these eddies and meanders ...
Meeting Document : WG-EMM-09/44 Rev. 1 : Author(s): S.M. Kasatkina and V.N. Shnar (Russia)
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An initial analysis of data provided from the deployment of scientific observers in the krill fishery
Abstract: An analysis of the observer data provided from the krill fishery was undertaken using ... approach analysis on the other hand revealed the distribution of variance in krill length at different ... scales and indicated that krill hauled in a given month/season/area were similar enough to be pooled ... variability in krill length due to seasons, months and areas and this allowed estimates of variance ...
Meeting Document : WG-EMM-12/60 : Author(s): S. Thanassekos (CCAMLR Secretariat), S. Candy (Australia), E. Appleyard (CCAMLR Secretariat), S. Kawaguchi (Australia) and K. Reid (CCAMLR Secretariat)
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OCEANIC CIRCUMPOLAR HABITATS OF ANTARCTIC KRILL
view that krill require high food concentrations, with a distribution often linked to shelves ... , with 70% of the total stock concentrated between 0o and 90oW. Within this Atlantic sector, krill ... the inner shelf whereas in the Indian-Pacific sectors krill prevail in the ocean within 200-300 km ... of the shelf break. Overall, 87% of the total stock live over deep oceanic water (>2000 m) and krill occupy ...
Meeting Document : WG-EMM-08/P04 - Abstract : Author(s): A. Atkinson, V. Siegel, E. A. Pakhomov, P. Rothery, V. Loeb, R.M. Ross, L.B. Quetin, K. Schmidt, P. Fretwell, E.J. Murphy, G.A. Tarling and A.H. Fleming
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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 : Author(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)
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Aggregation patterns of pelagic predators and their principal prey, Antarctic krill, near South Georgia
distribution of their principal prey, Antarctic krill Euphausia superba Dana. One novel aspect of our analysis ... is an explicit consideration of the separation in space between swarms of krill and aggregations of predators ... that feed upon krill. 2. Our data were collected in February 1986, during a systematic shipboard survey ... transects, and krill abundance was simultaneously estimated using a hull-mounted echosounder. 3. We ...
Meeting Document : WG-CEMP-93/13 : Author(s): R.R. Veit (USA), E.D. Silverman (USA) and I. Everson (United Kingdom)
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Biology, distribution and abundance of Antarctic krill (Euphausia superba) and by-catch
Abstract: During the First Indian Antarctic Krill Expedition (FIKEX), krill samples were ... Midwater Trawl (IKMT), 49.5m krill midwater trawl (Cosmos trawl Denmark) and 42m Polish krill midwater ... was observed to be 1:l.17 though it differs from swarm to swarm. The analysis showed that 47% of krills ... of krill and availability of food in the area surveyed. Maturity stage IV (fully matured) was maximum among ...
Meeting Document : WG-EMM-98/37 : Author(s): A. Anrose, Z. Klusek, M.K.R. Nair and M. R. Bhoopendranath (India)
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Analysis of observer coverage for Japanese krill fishing vessels
Abstract: Sources of variability of krill mean length and fish bycatch number was investigated ... to explore proper allocation of scientific observers on Japanese krill fishing vessels using the data from ... had the largest impacts, and year coverage had moderate impacts on CV for both mean krill length ... and fish bycatch. The impacts of subarea and haul coverage were different between krill length and fish ...
Meeting Document : WG-SAM-10/17 : Author(s): T. Okuda, M. Kiyota and H. Okamura (Japan)