Search results
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Analysis of the stomach content in the blue-eyed shag Phalacrocorax atriceps bransfieldensis at Nelson Island, South Shetland Islands
number (47%). The comparison with data published on pellets analysis of shags from the same colony gave ... complemented with information on shags’ foraging trips, obtained in the field by film records. Author(s): N ...
Meeting Document : WG-CEMP-94/31 : Author(s): N. Coria, R. Casaux, M. Favero and P. Silva (Argentina)
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Estimation of krill (Euphausia superba) mortality and production rate in the Antarctic peninsula region
Peninsula from 26 December 1989 to 14 January 1990. Results were compared with data of an identical survey ... with RV ‘Polarstern’ in 1987/88. Seasonal variation between summer and winter abundance/biomass data ...
Meeting Document : WG-KRILL-91/15 : Author(s): Delegation of Germany
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Application of the bootstrap-method in assessment of target strength regression parameters on the basis of in situ measurements
measurements with the fish size composition from trawl catches and should be accompanied with accuracy indices ...
Meeting Document : WG-FSA-SAM-04/09 : Author(s): P.S. Gasyukov and S.M. Kasatkina (Russia)
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Detection of predator dive patterns from stationary echosounder data
, as well as their interactions with the pelagic residents. Using freely available software and neural ... clear patterns in the dive data with regards to time of year as well as time of day. At the temporal ...
Meeting Document : WG-EMM-2019/34 : Author(s): T. Klevjer and G. Skaret
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A three-frequency method to determine the abundance and the size of two euphausiid species (Euphausia superba and Euphausia crystallorophias)
aggregations with similar shape, therefore visual separation of their echograms is difficult. The possibility ... an echo coming from an isolated organism, with no interference from noise or other targets. It means ... estimates of euphausiid lengths, derived from the fluid sphere model, are compared with lengths collected ... -February 2001. The results are compared with those obtained from the standard method. Author(s): M. Azzali ...
Meeting Document : WG-EMM-01/63 : Author(s): M. Azzali, J. Kalinowksi, G. Lanciani and I. Leonori (Italy)
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Peculiarities of Euphausia superba size composition in Statistical Subarea 48.2 (South Orkney Islands)
maxima, than in the norhtern part of the region. These featurese are concerned mainly to E.superba with ... with size less 48 mm. Resulting picture reflects well known phenomenon of separate distribution of ... Antarctic circumpolar current waters. Transformed waters of Bellingshausen Sea usually drift namely with the ... . Such gratient zone should be expected primary for area, filled with Weddell Sea waters, but in the case ...
Meeting Document : WG-KRILL-91/11 : Author(s): V.I. Latogursky and R.R. Makarov (USSR)
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The error of the biomass estimate as a function of survey parameters and the statistics of a density field of krill aggregations
AND THE STATISTICS OF A DENSITY FIELD OF KRILL AGGREGATIONS Z.I. Kizner All-union Research Institute of Marine ... with the help of mathematical statistics and methods of calculus of probabilities. The biomass estimate ... of the survey with respect to the axis of the correlation ellipse and the frequency of transects ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 213-228 : Author(s): Kizner, Z.I.
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Trends in relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps at Potter Cove, South Shetland Islands, after commercial fishing in the area
). Since the inception of the Commission for the Conservation of Antarctic Marine Living Resources ... , N. Coria and A. Carlini. 1998. Fish as prey of birds and mammals at the South Shetland Islands ... and Marine Research, 42 (1): 17-34. Hardle, W. 1989. Applied Nonparametric Regression. Cambridge ... with historical information on offshore commercial fishing and with the results of scientific surveys ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 43–52 : Author(s): Barrera-Oro, E.R., E.R. Marschoff and R.J. Casaux
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Trawl bag selectivity in the Champsocephalus gunnari fishery
were carried out in June 1990 in the South Georgia area concurrently with trawl surveys as part of the ... and the selectivity factor was 3.10 for a mesh size of 80 mm. Comparison of these results with results ... 1990 in the South Georgia area concurrently with trawl surveys as part of the main biological and ... was 3.10 for a mesh size of 80 mm. Comparison of these results with results from previous years ... BMRT Anchar in June 1990 in the South Georgia area concurrently with trawl surveys within the main ... trawler with a displacement of 2 120 tonnes and a main engine of 2 000 hp. Fishing gear was a standard ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 295–312 : Author(s): Bidenko, V.G. and I.G. Istomin
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Catch and effort data for the longline fishery in Subarea 48.3 – comparison of data reported to CCAMLR and data acquired by the UK between 1994 and 1996
and incidental mortality of birds. Author(s): Parkes, G.B., Pearce, J., Agnew, D.J. Title: Catch and effort ... and incidental mortality of birds. ...
Meeting Document : WG-FSA-97/37 : Author(s): Parkes, G.B., Pearce, J., Agnew, D.J.