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Characteristics of krill aggregations in the South Sandwich Islands subarea in January–February 2000
Paper Title: Characteristics of krill aggregations in the South Sandwich Islands subarea in ... February 2000 it was observed that krill was present in non-aggregated and scattered forms, as well as in ... swarms. Differences between spatial distribution patterns of different krill aggregation forms in ... characteristics of some 2 400 krill swarms detected in the study area were sized acoustically and are described in ... . 9 (2002): 145–164 145 CHARACTERISTICS OF KRILL AGGREGATIONS IN THE SOUTH SANDWICH ISLANDS ... the survey of Subarea 48.4 from 17 January to 1 February 2000 it was observed that krill was present ... distribution patterns of different krill aggregation forms in relation to water mass structure and dynamics ... were revealed. Distributional features and physical characteristics of some 2 400 krill swarms ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 145–164 : Autor(es): Kasatkina, S.M., A.P. Malyshko, V.N. Shnar and O.A. Berezhinsky
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Data on krill (Euphausia superba Dana) consumption by coastal fishes in Division 58.4.2 (Kosmonavtov and Sodruzhestva Seas)
Paper Title: Data on krill (Euphausia superba Dana) consumption by coastal fishes in Division ... krill consumption (Euphausia superba) are based on data obtained from the Atlantic sector which have ... krill consumed is between 166 and 450 million tonnes; of this amount fish consume from 30 to 32 million ... tonnes (Lubimova, Shust, 1980 and Shust, 1987). However these extrapolated values of krill consumption by ... SC-CAMLR-X/BG/11 DATA ON KRILL (EUPHAUSIA SUPERBA DANA ... , V.A. Bibik and V.V. Gerasimchuk* Abstract * Current estimates of the level of krill consumption ... acoustic surveys as well as on fish feeding patterns and krill production were used in the calculations ... . Assessments of krill consumption are based on calculations made for individual fish species taking into ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 305–319 : Autor(es): Pakhomov, Y.A., V.A. Bibik and V.V. Gerasimchuk
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Patterns and processes in the distribution and dynamics of Antarctic krill
Paper Title: Patterns and processes in the distribution and dynamics of Antarctic krill Abstract ... distribution and dynamics of Antarctic krill population at various spatial and temporal scales. We suggest that ... models of increasing complexity be developed iteratively for variability and patchiness of krill ... critical processes to be added. An analysis of spatial distribution of krill in the Bransfield Strait area ... DISTRIBUTION AND DYNAMICS OF ANTARCTIC KRILL S.A. Levin, A. Morin and T.M. Powell Abstract A general ... Antarctic krill population at various spatial and temporal scales. We suggest that models of increasing ... complexity be developed iteratively for variability and patchiness of krill abundance. Incremental models ... added. An analysis of spatial distribution of krill in the Bransfield Strait area reveals that purely ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 281–299 : Autor(es): Levin, S.A., A. Morin and T.M. Powell
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Estimates of circumpolar abundance of Antarctic krill based on recent acoustic density measurements
Paper Title: Estimates of circumpolar abundance of Antarctic krill based on recent acoustic ... density measurements Abstract / Description: The total circumpolar abundance of Antarctic krill ... (Euphausia superba) is estimated using recent measurements of krill density from acoustic surveys and ... historical information on the overall range of krill. The biomass estimates fall between 60 and 155 million ... CIRCUMPOLAR ABUNDANCE OF ANTARCTIC KRILL BASED ON RECENT ACOUSTIC DENSITY MEASUREMENTS S. Nicol, A.J ... Abstract The total circumpolar abundance of Antarctic krill (Euphausia superba) is estimated using ... recent measurements of krill density from acoustic surveys and historical information on the overall ... range of krill. The biomass estimates fall between 60 and 155 million tonnes - at the low end of values ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 87–99 : Autor(es): Nicol, S., A.J. Constable and T. Pauly
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Target strengths of krill at 136 and 20 kHz
Paper Title: Target strengths of krill at 136 and 20 kHz Abstract / Description: Estimation of ... krill target strength was made by ensonifying encaged live krill and using trawl hydroacoustic method ... . Ensonification of encaged live krill. For aggregations with mean lengths from 45 to 50 mm the mean single-krill ... the mean single-krill target strengths range from-71 to-77 dB at 20 kHz. Trawl hydroacoustic method ... WG-KRILL-91/29 TARGET STRENGTHS OF KRILL AT 136 AND 20 ... KHZ S.M. Kasatkina* Abstract Estimation of krill target strength was made by ensonifying encaged ... live kriU and using trawl hydroacoustic method. Ensonification of encae;ed live krill. For ... aggregations with mean lengths in the range 41 to 47 mm the mean single-krill target strength is in the range ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 141–157 : Autor(es): Kasatkina, S.M.
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Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?
Paper Title: Is current management of the Antarctic krill fishery in the Atlantic sector of the ... krill (Euphausia superba) fishery in the Atlantic sector of the Southern Ocean, and current knowledge ... about the state of the regional krill stock. In this region, krill fishing is permitted in an area of ... . There is some evidence for a decline in the abundance of krill in the 1980s, but no evidence of a ... Science, Vol. 23 (2016): 31–51 31 Is current management of the Antarctic krill fishery in the Atlantic ... management of the Antarctic krill (Euphausia superba) fishery in the Atlantic sector of the Southern Ocean ... , and current knowledge about the state of the regional krill stock. In this region, krill fishing is ... tonnes year–1, since 2009. There is some evidence for a decline in the abundance of krill in the 1980s ...
Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 31–51 : Autor(es): Hill, S.L., A. Atkinson, C. Darby, S. Fielding, B.A. Krafft, O.R. Godø, G. Skaret, P.N. Trathan and J.L. Watkins
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Acoustic data analysis and models of krill spatial distribution
Paper Title: Acoustic data analysis and models of krill spatial distribution Abstract ... descriptors of krill spatial aggregation: power spectra for krill biomass fluctuations in space, semivariogram ... (spatial autocorrelation of krill biomass) and the frequency distribution of krill biomass estimate. The ... distribution of krill biomass is bimodal and appears to be the mixture of two log normal distributions. These ... OF KRILL SPATIAL DISTRIBUTION A. Morin, A. Okubo and K. Kawasaki Abstract Acoustic data ... obtained on 4-5 January 1987 aboard the RN ProfesSor Siedlecki were used in three descriptors of krill ... spatial aggregation: power spectra for krill biomass fluctuations in space, semivariogram (spatial ... autocorrelation of krill biomass) and the frequency distribution of krill biomass estimate. The wavenumber ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 311–329 : Autor(es): Morin, A., A. Okubo and K. Kawasaki
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Significant intra-annual variability in krill distribution and abundance at South Georgia revealed by multiple acoustic surveys during 2000/01
Paper Title: Significant intra-annual variability in krill distribution and abundance at South ... acoustic surveys of Antarctic krill (Euphausia superba) were conducted around South Georgia in the 2000/01 ... South Georgia. Krill density in the western box in the early-season survey was very low (3.5 g m-2) but ... observations from previous years, krill density in the western box in the mid-season survey was less than that ... (2002): 71–82 71 SIGNIFICANT INTRA-ANNUAL VARIABILITY IN KRILL DISTRIBUTION AND ABUNDANCE AT SOUTH ... -andrews.ac.uk Abstract Three separate acoustic surveys of Antarctic krill (Euphausia superba) were conducted ... provided temporally and spatially extensive coverage around South Georgia. Krill density in the western ... - season (to 34.7 g m-2). In a pattern that is consistent with observations from previous years, krill ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 71–82 : Autor(es): Brierley, A.S., C. Goss, S.A. Grant, J.L. Watkins, K. Reid, M. Belchier, I. Everson, M.J. Jessop, V. Afanasyev and J. Robst
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Differentiation of independent populations of Antarctic krill
Paper Title: Differentiation of independent populations of Antarctic krill Abstract / Description ... : Several countries have recently shown an interest in commercial krill fishing. An understanding of krill ... population structure is needed to establish sound management of krill fisheries. A short review is undertaken ... of recent studies in genetic and morphophysiological variability of krill and Antarctic water ... INDEPENDENT POPDLATIONS OF ANTARCTIC KRILL D.S.S.R. Abstract Several countries have recently shown an ... interest in commercial krill fishing. An understanding of krill population structure is needed to ... establish sound management 'of krill fisheries. A short review is undertaken of recent studies in genetic ... and morphophysiological variability of krill and Antarctic water circulation. On the basis of the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 275-281 : Autor(es): USSR
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Krill distribution in the western Atlantic sector of the Southern Ocean during 1983/84, 1984/85 and 1987/88 based on the results of Soviet mesoscale surveys conducted using an Isaacs-Kidd midwater trawl
Paper Title: Krill distribution in the western Atlantic sector of the Southern Ocean during 1983 ... surveys covering a wide area of krill distribution between the Antarctic Peninsula and South Georgia ... krill biomass distribution (g/1 000 m 3) and its mean values were analysed by subarea (Subareas 48.1 ... general pattern of krill distribution and drift in the western part of the Atlantic sector of the ... CCAMLR Science, Vol. 6 (1999): 59-70 KRILL DISTRIBUTION ... mesoscale surveys covering a wide area of krill distribution between the Antarctic Peninsula and South ... m. Overall krill biomass distribution (g/ l 000 m3) and its mean values were analysed by subarea ... the general pattern of krill distribution and drift in the western part of the Atlantic sector of the ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 59–70 : Autor(es): Sushin, V.A. and K.E. Shulgovsky