Search results
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Improvements to the multiple-frequency method for in situ target strength measurements
controlled test tank experiments using 38 and 120 kHz split-beam transducers and a 200 kHz single-beam ... results indicate that such careful application of the multiple-frequency TS method can reject 100 ... experiments using 38 and 120 kHz split-beam transducers and a 200 kHz single-beam transducer. Tolerances ... that such careful application of the multiple-frequency TS method can reject 100% of multiple targets while allowing ...
Meeting Document : WG-EMM-99/38 : Author(s): D.A. Demer (USA) and M.A. Soule (South Africa)
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Variability of krill biomass estimates in repeated mesoscale surveys in relation to CCAMLR-2000 Survey
) and methods of sampling, but sampling was carried out in the 0-100 m water layer instead 0-200 m in CCAMLR ... of sampling, but sampling was carried out in the 0-100 m water layer instead 0-200 m in CCAMLR-2000. Krill ...
Meeting Document : WG-EMM-01/28 : Author(s): V.A. Sushin, F.F. Litvinov (Russia) and V. Siegel (Germany)
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An updated descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in Subareas 88.1 and 88.2 up to 2005/06
tagged and recaptured in the fishery have moved over 200 km, but the majority (>80%) of Antarctic ... toothfish have moved less than 50 km. Sub adult fish (80–100 cm) have tended to move further than adults ... in the fishery have moved over 200 km, but the majority (>80%) of Antarctic toothfish have moved less than 50 km ... . Sub adult fish (80–100 cm) have tended to move further than adults over all time periods at liberty ...
Meeting Document : WG-FSA-06/34 : Author(s): A. Dunn and S.M. Hanchet (New Zealand)
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e-imaf-99 report.pdf
... as follows: 1997: 48.3 – 34 (5–100); 58.6/58.7 – 60 (15–100); 1998: 48.3 – 24 (1–57); 58.6/58.7 – 43 ... (14–100); and 1999: 48.3 – 25 (10–91); 58.6/58.7 – 34 (13–62). 7.33 The Working Group agreed ... live birds were caught per 100 hauls; although these were released alive, the higher catch rate ... summer period; it was recommended that fishing within 200 km of the islands from January to March should ... years, for Subareas 48.3 and 58.6/58.7 have been as follows: 1997: 48.3 – 34 (5–100); 58.6/58.7 ... – 60 (15–100); 1998: 48.3 – 24 (1–57); 58.6/58.7 – 43 (14–100); and 1999: 48.3 – 25 (10–91); 58.6 ... summer). An average of 4.5 live birds were caught per 100 hauls; although these were released alive ... important during the high-risk late summer period; it was recommended that fishing within 200 km of the
application/pdf attached to:Ad Hoc WG-IMAF-99
Meeting Report : Ad Hoc WG-IMAF-99
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Seasonal and inter-annual variability in the distribution of Electrona carlsbergi in the southern Polar Front area (the area to the north of South Georgia is used as an example)
to February) when fish were distributed in the upper 50-100 m layer. The smallest and less dense ... concentrations were observed in the winter (June) at 200 m and deeper. The spring and autumn months were noted ... in summer (December to February) when fish were distributed in the upper 50-100 m layer. The smallest ... and less dense concentrations were observed in the winter (June) at 200 m and deeper. The spring and autumn ... superieure de 50 it 100 m. Les plus faibles ont ete observees en hiver Guin) it 200 m ou plus. 11 a ete con ... (December to February) when fish were distributed in the upper 50-100 m layer. The smallest and less dense ... concentrations were observed in the winter (June) at 200 m and deeper. The spring and autumn months were noted ... ), KOr,lta pbI6a Haxo,ltHJIaCb B BepXHeM CJIoe BO,ltbI (50-100 M). CaMbIe MeJIKHe CKOnJIeHH5 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 337–367 : Author(s): Kozlov, A.N., K.V. Shust and A.V. Zemsky
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Demersal finfish distribution, abundance and their biological characteristics in Statistical Subareas 48.1 (northern part) and 48.2 (2018–2020)
Islands, between 100 and 500 m depth (Depth strata: 101-200 m, 201-260 m; 261-320 m, 320-380 m, 381-440 ... , the study area includes the continental shelf of Elephant Island and of South Orkney Islands, between 100 ... and 500 m depth (Depth strata: 101-200 m, 201-260 m; 261-320 m, 320-380 m, 381-440, and 441-500 ...
Meeting Document : WG-SAM-17/18 : Author(s): Delegation of Chile
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Demersal finfish distribution, abundance and their biological characteristics in Statistical Subareas 48.1 (northern part) and 48.2 (2018–2020)
Islands, between 100 and 500 m depth (Depth strata: 101-200 m, 201-260 m; 261-320 m, 320-380 m, 381-440 ... , the study area includes the continental shelf of Elephant Island and of South Orkney Islands, between 100 ... and 500 m depth (Depth strata: 101-200 m, 201-260 m; 261-320 m, 320-380 m, 381-440, and 441-500 ...
Meeting Document : WG-FSA-17/28 : Author(s): Delegation of Chile
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Comparative studies on the biological and acoustical properties of krill aggregations (Euphausia superba Dana) samples during the XIII Italian Expedition to the Ross Sea (December 1997–January 1998)
at 38, 120 and 200 kHz) were examinated. Comparing the depth of the net and acoustic recordings during ... , is 20-100 times higher than the one estimated from the catch. The geographical biomass distribution ... at 38, 120 and 200 kHz) were examinated. Comparing the depth of the net and acoustic recordings during ... ; (3) The numerical abundance of the krill, estimated by the fluid sphere method, is 20-100 times higher than the one ...
Meeting Document : WG-EMM-00/39 : Author(s): M. Azzali, J. Kalinoswki, G. Lanciani and I. Leonori (Italy)
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Evaluation of Antarctic krill biomass and distribution off the South Orkney Islands 2011-2015
except 2013. The results show that except from the year 2015, krill densities were high, in the range 100 ... combinations of 38, 120 and 200 kHz are used. Author(s): G. Skaret, B.A. Krafft, L. Calise (Norway ... except 2013. The results show that except from the year 2015, krill densities were high, in the range 100 ... combinations of 38, 120 and 200 kHz are used. ...
Meeting Document : WG-EMM-15/54 : Author(s): G. Skaret, B.A. Krafft, L. Calise (Norway), J. Watkins (UK), R. Pedersen and O.R. Godø (Norway)
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Demographic characteristics of the Adélie penguin population on Béchervaise Island after 12 years of study
of tagged birds crossing the weighbridge; (ii) regular checks of breeding birds on the 200 marked nests ... popu- lation of 200 marked nests. These are the only nests currently monitored for individual breeding ... 7 years and older within the study population of 200 nests was calculated on the basis of the assumption ... 9 y ea r ol d s. ( c) P oo le d a ge -s pe ci fi c su rv iv or sh ip to a ge ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 53–74 : Author(s): Clarke, J., L.M. Emmerson, A. Townsend and K.R. Kerry