Résultats de la recherche
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Krill biomass and density distribution in February–March 2002 in Subarea 48.3
Abstract: Presented are the results of krill acoustic survey carried out by Russian RV Atlantida ... February 14 to March 5, 2002. Average krill density in the survey area was estimated at 45.45 g/m2 and ... total biomass at 1,898,492 ton. The analysis of krill aggregation distribution was made for ... feeding on krill in the area of the South Georgia western extremity where main feeding grounds serving ...
Meeting Document : WG-EMM-03/30 : Auteur(s): S.M. Kasatkina and A.P. Malyshko (Russia)
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KRILL FISHERY REPORT: 2008 UPDATE
for krill in Area 48 in the 2007/08 season, and these vessels have taken 84110 t of krill to date. The ... preliminary estimate of the total catch of krill for the season is approximately 108343 t. This compares with ... 104586 t of krill reported in the STATLANT data for 2006/07. With the exception of Poland, all ... , and parameters used in stock assessment are also included. Author(s): Secretariat Title: KRILL ...
Meeting Document : WG-EMM-08/05 : Auteur(s): Secretariat
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DEMOGRAPHY OF ANTARCTIC KRILL AND OTHER EUPHAUSIACEA IN THE LAZAREV SEA - LAKRIS THE GERMAN CONTRIBUTION TO CCAMLR-IPY IN SUMMER 2008
Abstract: A standardized krill net sampling survey was conducted in the Lazarev Sea (CCAMLR ... Subarea 48.6) in austral summer during December/January 2007/08 (LAKRIS, Lazarev Krill Study) as a German ... samples were taken by RMT 8 and RMT 1 along three transects south of 60°S. Krill and other Antarctic ... and seasonal development of maturity stages were analysed. Distribution and density of krill larvae ...
Meeting Document : WG-EMM-08/07 : Auteur(s): V. Siegel, J. Edinger, M. Haraldsson, K. Stürmer, M. Vortkamp (Germany)
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Concordance of inter-annual fluctuations in densities of krill around South Georgia and Elephant Islands: biological evidence of same-year teleconnections across the Scotia Sea
Abstract: Acoustic estimates of the densities of Antarctic krill, Euphausia superba, in areas ... and 1997. Estimated densities of krill at El were most often higher than at SG, although this may ... mirrored by those at the other location; for example, 1991 and 1994 were years of very low krill density at ... similarities suggests that densities of krill at both locations are directly linked, and may be impacted by the ...
Meeting Document : WS-AREA 48-98/11 : Auteur(s): A.S. Brierley (UK), D.A. Demer, R.P. Hewitt (USA) and J.L. Watkins (UK)
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An acoustic survey of Antarctic krill on the South Georgia shelf, CCAMLR Subarea 48.3, in January 1992
the opportunity was taken in 1992 to produce a krill biomass estimate as a by-product of a fish stock ... Abstract: Acoustic surveys designed to assess krill abundance are costly in time and money, so ... Georgia. The appearances of echoes on echo charts were used to decide which echoes to include in krill ... backscattering strength at the two frequencies into a) echoes from krill-sized scatterers and smaller and b ...
Meeting Document : WG-EMM-96/42 : Auteur(s): Everson, I., Goss, C.
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Distribution and abundance of Antarctic krill in the vicinity of Elephant Island during the 1994 austral summer
Abstract: The distribution and abundance of Antarctic krill (Euphausia superba) were estimated ... n.mile2 immediately north of Elephant Island. During the first survey, the highest densities of krill were ... be 401 X 106 t. Five weeks later highest densities of krill were mapped north of Elephant Island and ... high densities of krill were mapped in the shoal waters to the north of Elephant Island; biomasses were ...
Meeting Document : WG-Joint-94/09 : Auteur(s): R.P. Hewitt and D.A. Demer (USA)
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Variability of krill fishery operations in Subarea 48.2 in relation to fishing methods: spatial–temporal distribution of CPUE and of fishing efforts
Abstract: The author continue to analyze krill fishery data for understanding fishery operations ... analysis of spatial- temporal variability of krill fishery based on CPUE trends, trawling duration, catch ... performance requires knowledge of krill distribution in the fishing grounds with special attention to krill ... onboard krill fishing vessels should be the sources of this information. Author(s): S. Kasatkina ...
Meeting Document : WG-EMM-14/22 : Auteur(s): S. Kasatkina (Russia)
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Southern right whale (Eubalaena australis) reproductive success is influenced by krill (Euphausia superba) density and climate
change in the abundance of the species main prey, krill (Euphausia superba), on the feeding grounds ... analysis we examined the response of the species to climate anomalies and krill densities. Significant ... correlations were found with krill densities (r = 0.69, p = 0.002, lag 0 years), Oceanic Niño Index (r = −0.65 ... influence southern right whale breeding success in southern Brazil by determining variation in food (krill ...
Meeting Document : WG-EMM-16/P06 : Auteur(s): E. Seyboth, K.R. Groch, L. Dalla Rosa, K. Reid, P.A.C. Flores and E.R. Secchi
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Evaluation of the krill stock in Subarea 48.3, June–August 1995
till 15 August 1995 peculiarities of krill distribution, their characteristics including time stability ... (tolerance), are examined, calculations of biomass and krill commercial concentrations values are given ... . Interannual changes in some indices of krill fishing Resources in this subarea from 1985 till 1995 undergo ... analysis. Author(s): Bibik, V.A. Title: Evaluation of the krill stock in Subarea 48.3, June–August 1995 ...
Meeting Document : WG-EMM-96/70 : Auteur(s): Bibik, V.A.
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A quantified Bayesian maximum entropy estimate of Antarctic krill abundance across the Scotia Sea and in small-scale management units from the 2000 CCAMLR survey
Abstract: We present the results of an alternative method of estimating krill abundance, and ... producing maps of krill distribution, from the data collected during the 2000 CCAMLR survey of the Scotia ... an objective choice of the most probable reconstruction of krill distribution, given the data. The ... points. We therefore inferred the krill density on a 1 nm × 1 nm grid of pixels. Density values (g m-2 ...
Meeting Document : WG-EMM-05/42 : Auteur(s): B.G. Heywood, S.F. Gull and A.S. Brierley (United Kingdom)