Search results
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Long-term monitoring of krill recruitment and abundance indices in the Elephant Island area (Antarctic Peninsula)
Paper Title: Long-term monitoring of krill recruitment and abundance indices in the Elephant ... Island area (Antarctic Peninsula) Abstract / Description: Krill distribution and density are reviewed ... variability of krill recruitment is confirmed by the present analysis. Results are compared for one- and two ... -year-old krill (R 1 and R 2 respectively). Statistically significant fluctuations in krill density over ... CCAMLR Science, Vol. 4 (1997): 19-35 LONG-TERM MONITORING OF KRILL ... Marine Laboratories PO Box 450, Moss Landing, Ca. 95039, USA Abstract Krill distribution ... ). The high interannual variability of krill recruitment is confirmed by the present analysis. Results ... in krill density over the period 1977 to 1994 are also confirmed by this study using randomisation tests ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 19–35 : Author(s): Siegel, V., W. de la Mare and V. Loeb
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A composite recruitment index to describe interannual changes in the population structure of Antarctic krill at South Georgia
structure of Antarctic krill at South Georgia Abstract / Description: A composite recruitment index based ... differences, due in part to bias arising from a large number of krill in just one of the station net hauls ... the population structure of krill around South Georgia during seven cruises between 1989 and 1998. Before 1994 ... the number of 1+ krill found around South Georgia was very low (proportion of 1+ krill <7%), while between ... TO DESCRIBE INTERANNUAL CHANGES IN THE POPULATION STRUCTURE OF ANTARCTIC KRILL AT SOUTH GEORGIA J.L ... to bias arising from a large number of krill in just one of the station net hauls. Therefore, when ... of krill around South Georgia during seven cruises between 1989 and 1998. Before 1994 the number ... of l + krill found around South Georgia was very low (proportion of l + krill <7%), while between 1994 ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 71–84 : Author(s): Watkins, J.L
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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 ... of the general pattern of krill distribution and drift in the western part of the Atlantic sector ... 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 (Subareas ... of the general pattern of krill distribution and drift in the western part of the Atlantic sector ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 59–70 : Author(s): Sushin, V.A. and K.E. Shulgovsky
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The utilization of seabird censuses for krill monitoring
Paper Title: The utilization of seabird censuses for krill monitoring Abstract / Description ... : The possibility of using bird observations made at sea as a means of monitoring krill in the Antarctic Ocean ... is explored. No variation source directly linked with krill was identified by means of correspondence analysis ... of detecting changes in bird abundance and/or species composition, associated with three levels of krill ... - 393 - THE UTILIZATION OF SEABIRD CENSUSES FOR KRILL MONITORING ... of using bird observations made at sea as a means of monitoring krill in the Antarctic ocean is explored ... . No variation source directly linked with krill was identified by means of correspondence analysis. Contour ... changes in bird abundance and/or species composition, associated with three levels of krill abundance ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 393-425 : Author(s): Marschoff, E.R., J.G. Visbeek and L.R. Fontana
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Commercial krill fisheries in the Antarctic, 1973 to 1988
Paper Title: Commercial krill fisheries in the Antarctic, 1973 to 1988 Abstract / Description ... ) are used to discern observable trends in catch and effort for the Antarctic krill (Euphausia superba ... ) fishery between 1972/73 and 1987/88. The annual krill catch rose gradually to a peak of some 500 000 ... thereafter. In terms of both catch and effort the Soviet and Japanese krill fisheries in Subareas 48.1, 48.2 ... SC-CAMLR-VII1I8G/11 COMMERCIAL KRILL FISHERIES IN THE ANTARCTIC ... and effort for the Antarctic krill (Euphausia superba) fishery between 1972/73 and 1987/88. The annual ... krill catch rose gradually to a peak of some 500 000 tonnes in 1981/82 before dropping to a low level ... the Soviet and Japanese krill fisheries in Subareas 48.1, 48.2 and 48.3 prevail in the CCAMLR Convention ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 229–281 : Author(s): Miller, D.G.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 AGGREGATIONS ... 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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Estimating krill recruitment and its variability
Paper Title: Estimating krill recruitment and its variability Abstract / Description: A maximum ... likelihood method is developed for the decomposition of krill density-at-length data into the proportion ... rate for 1+ krill (the ratio of the number of krill aged one year to the number of krill aged one year ... for 2+ krill (the ratio of the number of two-year-old krill to the number aged two and above) from nine surveys ... CCAMLR Science, Vol. 1: 55-69 ESTIMATING KRILL RECRUITMENT AND ITS ... , Australia Abstract A maximum likelihood method is developed for the decomposition of krill density ... of the Southern Ocean give a mean recruitment rate for l+ krill (the ratio of the number of krill aged one year ... to the number of krill aged one year and above) of 0.339 with a standard deviation (SD) of 0.100 ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 55–69 : Author(s): de la Mare, W.K
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Moulting interval and growth of juvenile Antarctic krill fed different concentrations of the diatom Phaenodactylum tricornutum in the laboratory
Paper Title: Moulting interval and growth of juvenile Antarctic krill fed different ... Antarctic krill (Euphausia superba) were fed Phaenodactylum tricornutum, at concentrations ranging from 0.0 ... ) of juvenile krill increased, up to a concentration of 1.0 mgC 1 –1. No further effect of food concentrations ... . From these results, maximum daily growth rate (∆BL /IP) of juvenile krill was calculated to be 0.047 mm ... ANTARCTIC KRILL FED DIFFERENT CONCENTRATIONS OF THE DIATOM PHAENODACTYLUM TRICORNUTUM IN THE LABORATORY ... T. Ikeda, P.G. Thomas (Australia) Abstract Juveni,le Antarctic krill (Euphausia superba) were fed ... , but an increment of body length per moult (6BL) of juvenile krill increased, up to a concentration of 1.0 mgC ... krill was calculated to be 0.047 mm day-l, which is too slow to support the hypothesised 2-year life ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 223-225 : Author(s): Ikeda, T. and P.G. Thomas
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Analysis of krill trawling positions north of the South Shetland Islands (Antarctic Peninsula area), 1980/81–1999/2000
Paper Title: Analysis of krill trawling positions north of the South Shetland Islands (Antarctic ... of commercial krill trawling positions for the 1980/81 to 1999/2000 seasons in the area north of the South ... positions seemed to be primarily governed by the distribution of larger mature krill, especially ... , such as salp abundance and the proportion of green krill, also seemed to have an increasing effect on trawling ... CCAMLR Scie~~ce, Vol. 8 (2001): 25-36 ANALYSIS OF KRILL TRAWLING ... krill trawling positions for the 1980/81 to 1999/2000 seasons in the area north of the South Shetland ... positions seemed to be primarily governed by the distribution of larger mature krill, especially ... , such as salp abundance and the proportion of green krill, also seemed to have an increasing effect on trawling ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 25–36 : Author(s): Kawaguchi, S. and K. Segawa
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Target strengths of Antarctic krill (Euphausia superba)
Paper Title: Target strengths of Antarctic krill (Euphausia superba) Abstract / Description ... : The Mean Volume Backscattering Strength of encaged aggregations of swimming krill have been measured at 38 ... Target strengths of Antarctic krill (Euphausia superba) ... The Mean Volume Backscattering Strength of encaged aggregations of swimming krill have been ... SC-CAMLR-VII/BG/30 TARGET STRENGTHS OF ANTARCTIC KRILL (EUPHAUSIA ... Strength of encaged aggregations of swimming krill have been measured at 38 and 120 kHz in a sheltered ... lower than previously assumed. Resume Des concentrations encloses de krill mobile ont ete mesurees ... del Volumen Medio de las agregaciones enjauladas de krill que nada a 38 y 120 kHz en una bahfa ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 265–279 : Author(s): Everson, I., D.G. Bone, J.L. Watkins and K.G. Foote