Search results
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Distribution and size–age composition of Antarctic krill (Euphausia superba) in the South Orkney Islands region (CCAMLR Subarea 48.2).
composition and biological condition of Antarctic krill (Euphausia superba) caught by the Russian krill ... ). These estimates are shown to be influenced by regional hydrometeorological factors (Makarov, 1983 ... , size–age composi- tion and maturity stage of E. superba caught by the Russian commercial trawler FV ... Antarctic krill (Euphausia superba) caught by the Russian krill trawler FV Maxim Starostin in Subarea 48.2 ... opera- tions were conducted within the area bounded by 60°00.0'S–60°50.0'S and 44°55.7'W–48°00.0'W ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 123–134 : Author(s): Sologub, D.O. and A.V. Remeslo
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Joint Polish/American hydroacoustic survey of Elephant Island and the vicinity of King George Island, 1988
in most areas covered by last year’s survey. The total biomass in the vicinity of Elephant Island was ... hydroacoustic survey found a low krill abundance in most areas covered by last years survey. The total biomass ... objectives of the cruise focus on priorities identified by the CCAMLR Ecosystem Monitoring Working Group ... kHz and 200 kHz, American; 120 kHz Polish). The coverage by frequency/depth/method of integration is ... processed by analog integrator (120 kHz) or processed using the software and hardware developed at NWAFC ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 357–377 : Author(s): Macaulay, M.C.
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Krill biomass assessment in Statistical Area 48 from the RV AtlantNIRO data - Autumn 1989/90
in the South Sandwich and South Orkney Islands areas during a cruise by RV AtlantNIRO in March/April ... areas during a cruise by RV AtlantNIRO in March/April 1990. The survey was conducted in the upper 100 ... 600 S; 32° to 18°W) and southern (60° to 67°S; 20° to 18°W), was affected by different types of ... , modified by Aseev-Samyshev (6 m2; 6 mm mesh), in the upper 100 m layer using the double oblique hauling ... method (0-100-0 m) at a towing speed of 3.2 to 3.6 knots. Trawling depth was controlled by a trawl probe ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 115–121 : Author(s): Fedotov, A.C.
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Measurements of differences in the target strength of Antarctic krill (Euphausia superba) swarms at 38 kHz and 120 kHz
be explained by possible experimental error, and which was therefore attributed to real differences ... difference which was regarded as too large to be explained by possible experimental error, and which was ... frequency-dependence of E. superba target strength is one made by Foote et al. (1990) on live animals at ... South Georgia. Target strengths at 38 and 120 kHz were estimated by measuring the strength of the back ... Receiving Sensitivity (SL + VRS) for both sounders was measured to within an estimated ± 0.5 dB by ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 75–86 : Author(s): Hampton, I.
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Status of the krill stock around Elephant Island in 1991/92 and 1992/93
appeared to be affected by dense salp concentrations during 1992/93 and 1989/90. File: 02loeb-siegel.pdf ... , maturity stage composition and reproductive activity of hill appeared to be affected by dense salp ... Antarctic krill resources and as a source of background data for predator-prey investigations conducted by ... -Krill) contribution by Loeb and Siegel (1992). That data set is now complete and is compared here with ... distributions) using the CSS statistical package was described in detail by Loeb and Siege1 (1992). The pooled ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 7–33 : Author(s): Loeb, V. and V. Siegel
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Analysis of krill trawling positions north of the South Shetland Islands (Antarctic Peninsula area), 1980/81–1999/2000
m K KOHQY c e so~a nepeMewanHcb K caMoMy urenb@y. ITpe~c~aenxe~cx , TO MecTa TpaneHm B OCHOBHOM ... . Trawling positions seemed to be primarily governed by the distribution of larger mature krill, especially ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 25–36 : Author(s): Kawaguchi, S. and K. Segawa
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The foraging range of Adélie penguins – implications for CEMP and interactions with the krill fishery
are reported in Kerry et al. (1995a). At Davis, birds foraging during the incubation period headed northwards ... Adélie penguins, determined by satellite tracking, at seven widely-spaced breeding colonies along the ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 75–87 : Author(s): Kerry, K.R., J.R. Clarke, S. Eberhard, H. Gardner, R.M. Lawless, S. Corsolini, S. Focardi, E. Franchi, D. Rodary and R. Thomson
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Some aspects of the relation between Antarctic krill abundance and CPUE measures in the Japanese krill fishery
reviewed briefly. Important aspects of the fishing operation are the constraints imposed by processing rate ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 109–125 : Author(s): Butterworth, D.S.
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Midwater trawl catchability as an aspect of a quantitative assessment of krill biomass conducted using a trawl census survey
catchability over the survey area and also because the biomass estimates thus obtained were characterised by ... because the biomass estimates thus obtained were characterised by high relative error. A standard method ... biomass for the entire survey area is calculated by adding the values for each layer. Yu.V. Kadilnikov ... - area and volume fished by the trawl over a standard hauling period; mq - mean catch per standard ... from formulas 3 to 7, the error in biomass assessment from trawl survey data is determined by ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 257–272 : Author(s): Kasatkina, S.M.
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The use of predator-derived krill length-frequency distributions to calculate krill target strength
only a 1% difference, illustrating the need for simultaneous length-frequency data. By integrating data ... simultaneous length-frequency data. By integrating data from land-based predators directly with automated on ... increased con- siderably by January, when the acoustic estimate is typically conducted. Thus, at the onset ... intensity of sound, at a given frequency, backscattered (reflected) by krill compared to the intensity of ... al., 1990). CCAMLR has adopted the TS-to-length relationship for krill proposed by Greene et al ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 155–163 : Author(s): Reid, K. and A.S. Brierley