Search results
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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 ... of the 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 ... IN THE DISTRIBUTION AND DYNAMICS OF ANTARCTIC KRILL S.A. Levin, A. Morin and T.M. Powell Abstract A general ... 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 abundance. Incremental models ... to be 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 : Author(s): Levin, S.A., A. Morin and T.M. Powell
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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 ... to 1 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 ... characteristics of some 2 400 krill swarms detected in the study area were sized acoustically and are described ... . 9 (2002): 145–164 145 CHARACTERISTICS OF KRILL AGGREGATIONS IN THE SOUTH SANDWICH ISLANDS SUBAREA ... of Subarea 48.4 from 17 January to 1 February 2000 it was observed that krill was present in non-aggregated ... krill aggregation forms in relation to water mass structure and dynamics were revealed. Distributional ... features and physical characteristics of some 2 400 krill swarms detected in the study area were sized ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 145–164 : Author(s): Kasatkina, S.M., A.P. Malyshko, V.N. Shnar and O.A. Berezhinsky
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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 : Author(s): Kasatkina, S.M.
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Distribution characteristics of krill aggregations in the fishing ground off Coronation Island in the 1989/90 season
Paper Title: Distribution characteristics of krill aggregations in the fishing ground off ... Coronation Island in the 1989/90 season Abstract / Description: Distributional characteristics of krill ... , the biological condition of krill and the performance of the fishery. Investigations were carried out from ... October 1989 to February 1990. An echo sounder was used to assess the characteristics of krill ... WG-KRILL-90/20 DISTRIBUTION CHARACTERISTICS OF KRILL ... fishing ground were examined in relation to environmental factors, the biological condition of krill ... forms of krill tended to combine into larger aggregations. Wind force had no direct or indirect ... caracteristiques des concentrations de kriU. Le krill a ete peche par des chaluts pelagiques standard d'une ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 49–73 : Author(s): Kasatkina, S.M. and V.I. Latogursky
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Differences in distribution and population structure of krill (Euphausia superba) between penguin and fur seal foraging areas near Seal Island
Paper Title: Differences in distribution and population structure of krill (Euphausia superba ... studies of krill-eating predators (penguins and female fur seals) near Seal Island were conducted ... in inshore regions where krill frequently occurred but higher density areas of krill (~250 g/m 2) were rather ... limited. In contrast, fur seal foraging areas were found in offshore regions where krill occurred only ... WG-KRILL-92/27 DIFFERENCES IN DISTRIBUTION ... AND POPULATION STRUCTURE OF KRILL (EUPHAUSIA SUPERBA) BETWEEN PENGUIN AND FUR SEAL FORAGING AREAS NEAR SEAL ... Shipboard tracking studies of krill-eating predators (penguins and female fur seals) near Seal Island were ... areas were found in inshore regions where krill frequently occurred but higher density areas of krill ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 273–285 : Author(s): Ichii, T., H. Ishii, J.L. Bengtson, P. Boveng, J.K. Jansen and M. Naganobu
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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 ... of krill consumption (Euphausia superba) are based on data obtained from the Atlantic sector which have ... then been extrapolated over all of Antarctica. According to these calculations the entire amount of krill ... (Lubimova, Shust, 1980 and Shust, 1987). However these extrapolated values of krill consumption by fish ... 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 ... and 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 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 305–319 : Author(s): Pakhomov, Y.A., V.A. Bibik and V.V. Gerasimchuk
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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 ... distribution of krill biomass is bimodal and appears to be the mixture of two log normal distributions ... 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 spectrum ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 311–329 : Author(s): Morin, A., A. Okubo and K. Kawasaki
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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 circulation ... OF 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 review ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 275-281 : Author(s): USSR
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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 ... 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 ... . There is some evidence for a decline in the abundance of krill in the 1980s, but no evidence of a further ... Science, Vol. 23 (2016): 31–51 31 Is current management of the Antarctic krill fishery in the Atlantic ... the 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 permitted ... –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 : Author(s): 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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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 ... with observations from previous years, krill density in the western box in the mid-season survey was less than ... . 9 (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 ... temporally and spatially extensive coverage around South Georgia. Krill density in the western box ... g m-2). In a pattern that is consistent with observations from previous years, krill density in the western box ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 71–82 : Author(s): 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