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Examination of the CCAMLR toothfish GLM
Abstract: Various elements of the Generalized Linear Model (GLM) used to standardise toothfish ... of 1992-1993 prosecuted by Russian vessels and the winter fishery of 1995 onwards prosecuted by other ... nationalities, coupled with the existence of the experimental fishery in 1994, lead us to suggest that future ... being no data for 1993, one of the most successful summer seasons. The relationship between CPUE and ...
Meeting Document : WG-FSA-98/35 : Автор(ы): G.P. Kirkwood and D.J. Agnew (United Kingdom)
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Preliminary assessment of toothfish in Subarea 48.3
Abstract: As with the 2009 assessment of Subarea 48.3, there is still uncertainty as to why there ... were high numbers of the 2001 cohort in commercial catches in 2009 onwards. It is likely that it is ... due to a combination of a strong 2001 cohort and a change in selectivity for the commercial fleet, but ... it has not been possible to determine the relative importance of each explanation. Median log-normal ...
Meeting Document : WG-FSA-11/33 Rev. 1 : Автор(ы): T. Peatman, R.E. Mitchell, G. Parkes and D.J. Agnew (United Kingdom)
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THE DIET OF THE ANTARCTIC TOOTHFISH IN THE ROSS SEA
Abstract: This brief review documents the species composition of prey consumed by the Antarctic ... by both frequency of occurrence and dry weight. P. antarcticum is 71% by occurrence and 89% by weight ... deep oceanic waters (60-70°S) north of the shelf break the diversity of pelagic and epipelagic fishes ... is low. Here the diet of D. mawsoni consists of relatively small squid of at least six different ...
Meeting Document : WG-EMM-09/16 : Автор(ы): J.T. Eastman and A.L. DeVries (USA)
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Effect of missing modes on calibration sphere target strengths (ICES CM 1996/b: 37, Fish Capture Committee)
Abstract: It has been suggested that modes of vibration of solid elastic spheres, such as those ... used in the calibration of echo sounder systems, can be affected by the manner of suspension. This ... hypothesis is investigated in the context of reported experimental calibration trials with the SIMRAD EK500 ... -diameter spheres composed of electrical grade copper and 33.2- and 38.1-mmdiameter spheres composed of ...
Meeting Document : WG-EMM-96/46 : Автор(ы): Foote, K.G.
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STATE OF ANTARCTIC KRILL (EUPHASIA SUPERBA) FISHERIES IN STATISTICAL SUBAREA 48.2 IN 2008
till April 2008. The paper has analyzed the distribution of commercial aggregations of krill, their ... Abstract: The article is based on the data sampled by the authors in the 29th cruise of f/v ... fishable biomass in the different periods of observations, krill biological state, hydro meteorological and ... ice conditions. Results of fisheries are given. Some ideas about allocation of limits of krill catch ...
Meeting Document : WG-EMM-08/24 : Автор(ы): V.A. Bibik and N.N. Zhuk (Ukraine)
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Reproduction in the Antarctic icefish Champsocephalus gunnari and its implications for fisheries management in the Atlantic sector of the Southern Ocean
Abstract: Available information on key reproductive parameters of Champsocephalus gunnari has ... been reviewed and discussed in the light of existing conservation measures. Length at first spawning is ... the other South Atlantic fishing grounds. Spawning activities of Champsocephalus gunnari and those of ... other exploited species could be best protected by the establishment of permanent closed fishing season ...
Meeting Document : SC-CAMLR-VIII/BG/16 : Автор(ы): Delegation of Federal Republic of Germany
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Spatial distribution of Champsocephalus gunnari size and age are related with depth
Abstract: The results of four fish surveys (EDUARDO L HOLMBERG 1994 to 1997) are analyzed to ... detect associations between the sizes of Champsocephalus gunnari (also age classes), Gobionotothen ... eleginoides and depth of catch, as well as among C. gunnari age classes. Except D. eleginoides median sizes of ... all species resulted significantly associated with depth, positively in the case of C. gunnari and N ...
Meeting Document : WG-FSA-97/45 : Автор(ы): Marschoff, E.R., Serra, J.A., Gonzalez, B., Calcagno, J.
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Use of satellite transponders to assist in fisheries management - the Australian experience
installation and maintenance. The major conclusion of the paper is that transponders have the potential to ... is described. The implications of this experience for CCAMLR are outlined and issues that have ... occurred in the development of vessel monitoring systems are described. These issues include selection of ... an appropriate transponder system, security of data, use of the information and equipment ...
Meeting Document : CCAMLR-XIII/BG/09 : Автор(ы): Delegation of Australia
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Quantitative stock survey and some biological and morphometric characteristics of the deep-sea red crab Geryon quinquedens off south west Africa
Abstract: In order to assess the abundance of the red crab Geryon quinquedens, two otter-trawl ... bimodal frequency distribution of female crabs was evident with modal sizes at 7.7 cm and 8.7 cm carapace ... processing the live material to a cooked frozen product, red crab is subject to a mass loss of about 54 per ... cent. Analysis of stomach contents by volume showed that only 12 per cent of male stomachs contained 5 ...
Meeting Document : WS-CRAB-93/22 : Автор(ы): C.J. De B. Beyers and C.G. Wilke (South Africa)
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Tooth growth in male Antarctic fur seals (Arctocephalus gazella) from South Georgia: an indicator of long-term growth history
Abstract: Growth of upper canine teeth of male Antarctic fur seals (Arctocephalus gazella) which ... died of natural causes at Bird Island. South Georgia, was quantified from measurements of annual layers ... in longitudinal sections of teeth. Mean age at death was 7∙69 ± 0∙07 years and this showed a small ... significant correlations between morphometrics of teeth and those of seals, suggesting that tooth growth ...
Meeting Document : WG-CEMP-93/11 : Автор(ы): I.L. Boyd and J.P. Roberts (United Kingdom)
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