Résultats de la recherche
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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 a ... 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 to ... variability in krill length due to seasons, months and areas and this allowed estimates of variance ...
Meeting Document : WG-EMM-12/60 : Auteur(s): S. Thanassekos (CCAMLR Secretariat), S. Candy (Australia), E. Appleyard (CCAMLR Secretariat), S. Kawaguchi (Australia) and K. Reid (CCAMLR Secretariat)
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Fish by-catch in the krill fishery: 2017 update
Abstract: Data on fish by-catch in the krill fishery from commercial catch data (100 153 hauls ... reporting of fish by-catch in the commercial krill fishery catch data. There was a high degree of overlap in ... taken as bycatch in the krill fishery are consistent with those reported in the diet of ‘krill ... -dependent’ predators from the region in which the krill fishery operates. Author(s): CCAMLR Secretariat ...
Meeting Document : WG-FSA-17/04 : Auteur(s): CCAMLR Secretariat
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Results from the 2019 annual acoustic krill monitoring off the South Orkney Islands
Abstract: In 2019, the annual IMR regional krill monitoring survey off the South Orkneys was ... conducted by RV Kronprins Haakon as part of the Scotia Sea large scale krill monitoring effort. To allow for ... surveys from 2011 to 2018. The distribution was similar to previous years with most krill along the shelf ... edge north of the Islands. Also the krill areal density measured on the 120 kHz of 69.87 g/m 2 was very ...
Meeting Document : WG-EMM-2019/69 : Auteur(s): G. Skaret, B.A. Krafft, G. Macaulay, T. Knutsen and O.A. Bergstad
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Variability of krill biomass estimates in repeated mesoscale surveys in relation to CCAMLR-2000 Survey
the krill biomass status, is it high, medium or low at the present time. The comparative analysis of ... krill biomasses derived from trawl catches was carried out; retrospective data of three Soviet surveys ... CCAMLR-2000. Krill biomass index calculated for the whole area of Soviet surveys doesn't reveal any ... density reflect biomass variability, it may be suggested that value of the total krill biomass in the area ...
Meeting Document : WG-EMM-01/28 : Auteur(s): V.A. Sushin, F.F. Litvinov (Russia) and V. Siegel (Germany)
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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 ... the feeding of krill and availability of food in the area surveyed. Maturity stage IV (fully matured ... catch of 12.470 tomes recorded, krill constituted 45.6% and the by-catch 54.4%. The by-catch included ...
Meeting Document : WG-EMM-98/37 : Auteur(s): A. Anrose, Z. Klusek, M.K.R. Nair and M. R. Bhoopendranath (India)
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Natural fluctuations in the abundance of krill with due regard to global climate changes in the southern hemisphere: forecasting possibilities
;success" in the reproduction of krill (Euphausia superba) and salp (Salpa tompsoni) (SC-CAMLR-XVI4 ... between the strong year-classes of krill and severe winters when the ice-cover extended itself northwards ... generations of krill were formed during the years when the winter position of the ice edge was south of the ... average multiannual level. The abundance of salp went up sharply in the areas of krill distribution in ...
Meeting Document : WG-EMM-98/52 : Auteur(s): K. Shust (Russia)
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Two decades of variability in krill predators at Bird Island, South Georgia and their potential as ecosystem indicators
included foraging performance, offspring survival, offspring mass, the contribution of Antarctic krill ... survival and mass). Krill in the diet was correlated across the three bird species (gentoo, Pygoscelis ... penguins. Offspring survival and hence PRP were largely independent of krill in the diet for macaroni ... variability associated with krill availability. This was characterised by skewed anomalies with more ...
Meeting Document : WG-EMM-12/16 : Auteur(s): S.L. Hill, C.M. Waluda, H.J. Peat and S. Fielding (United Kingdom)
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Demography of Antarctic krill in the Lazarev Sea (Subarea 48.6) in the 2005/06 season
Abstract: A standardized krill net sampling survey was conducted in the Lazarev Sea (Subarea 48.6 ... ) in December 2005. Krill densities were low in the Lazarev Sea. No substantial day/night differences ... were observed in the catches. Spatial distribution of krill density and size/age classes is discussed ... for the Lazarev Sea. Recruitment indices were calculated for one-year-old (R1) and two-year-old krill ...
Meeting Document : WG-EMM-06/10 : Auteur(s): V. Siegel (Germany)
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On the use of scientific observers on board krill fishing vessels
Abstract: Wide-scale monitoring of the status of Antarctic krill resources had been previously ... the System of International Scientific Observation compulsory in Antarctic krill fisheries. Indeed, a ... widespread introduction of scientific observation on krill fishing vessels can help to ease the existing ... deficit of fishery-independent krill surveys. Author(s): Delegation of Ukraine Title: On the use of ...
Meeting Document : WG-EMM-05/32 : Auteur(s): Delegation of Ukraine
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Summer distribution, abundance and structure of krill populations (Euphausia superba and Euphausia crystallorophias) sampled by plankton net in the western Ross Sea (January–February 2000)
of krill in the western Ross Sea (Antarctica). A midwater sampler-trawl (Hamburg Plankton Net) was ... double oblique tow. Mean relative biomass of Antarctic krill Euphausia superba, in the area north of ... Area (73°S 173°E) was remarkable. Ice krill Euphausia crystallorophias replaced the Antarctic krill in ... krill and length, sex and reproductive stage of Antarctic krill occurring in discrete aggregations were ...
Meeting Document : WG-EMM-00/38 : Auteur(s): M. Azzali, A. Sala and G. Brancato (Italy)