Search results
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Estimation of the biomass of krill in Prydz Bay during January/February 1991 and February/March 1992 using echo integration
Abstract: Hydroacoustic surveys of the abundance of krill (Euphausia superba) in the Prydz Bay ... association of krill with the shelf break in the western part of the survey area but also found that the shelf ... break was in general not a region of relatively high krill abundance. The mean surface density of krill ... estimates of 1.95, 3.45 and 1.78 g/m2 for statistical areas 48.1, 48.2 and 48.3 (SC-CAMLR 1991, p47) but ...
Meeting Document : WG-KRILL-92/23 : Author(s): I. Higginbottom and T. Pauly (Australia)
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A comparison of densities and length distribution of the Champsocephalus gunnari stock in Subarea 48.3 between years 1994 and 1995
Abstract: Mean densities and length structure of Champsocephalus gunnari obttained in the 1994 ... determined by a search procedure yielding randomly selected clusters of stations located within the 50–150 ... design. Forty five stations in the first cruise and 48 in the second were analyzed. Of these, 51 pairs of ... depth strata in the South Georgia Islands shelf, while density remained stable at Shag Rocks. The fit of ...
Meeting Document : WG-FSA-95/34 : Author(s): Marschoff, E., Calcagno, J., Gonzalez, B.
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BEACH DEBRIS SURVEY AND INCIDENCE OF ENTANGLEMENT OF ANTARCTIC FUR SEALS ARCTOCEPHALUS GAZELLA AT SIGNY ISLAND, SOUTH ORKNEY ISLANDS 2007/2008
Abstract: This report details the twelfth annual survey of the incidence of entanglements of ... Antarctic fur seals Arctocephalus gazella and eighteenth beach survey of man-made debris at Signy Island ... of 56 items weighing 11 kg, representing an increase from 2006/07 of 11% (by number) and 33% (by mass ... ). There was a decrease in the number of plastic packaging bands with only two found in the current season ...
Meeting Document : WG-FSA-08/26 : Author(s): M.J. Dunn and C.M. Waluda (UK)
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A brief outline of the biology of the Antarctic silverfish, Pleuragramma antarcticum Boulenger, 1902 (Nototheniidae) from the Antarctic Indian Ocean
Abstract: The Antarctic silver fish (Pleuragramma antarcticum) is one of the most numerous ... species in the outer waters of Antarctica. In the Indian sector of the Southern Ocean there are at least ... there are macro aggregations of plankton, while fish aged from 3+ to 12+ years form near-bottom, pelagic ... when they reach 13-16 cm in length and 4-6 years of age. Males reach maturity at 12-18 cm in length and ...
Meeting Document : WG-FSA-92/11 Rev. 1 : Author(s): V.V. Gerasimchuk (Ukraine)
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The distribution pattern and fishery for the Antarctic krill (Euphausia superba) off the Wilkes Land and Balleny Islands (with notes on the application of CPUE data as indices of krill abundance)
Abstract: Hydrological conditions, the distributiion pattern of krill and characteristics of the ... variability of some CPUE indeces (TC/TH/PPST; TC/TFISHT; TC/TFISHT/PPST) is analysed on the basis of data ... °- 150° E) are likely to be. an area of regular occurence of krill concentrations, probably the frequency ... of their occurence is the highest in the whole East Indian and West Pacific Anrarctic. This seems to ...
Meeting Document : WG-KRILL-90/16 : Author(s): V.N. Dolzhenkov, E.A. Kovalev, V.A. Spiridonov, V.P. Timonin, I.A. Zhigalov (USSR)
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Validation of age determination in Notothenia coriiceps, by means of a tag-recapture experiment at potter cover, South Shetland Islands
Abstract: Of 409 Notothenia coriiceps specimens tagged and released at Potter Cove, South ... of 11-21 months. A comparison was carried out between the annuli found in scales removed before and ... after the period of liberty. In scales of those specimens recovered after 11-13 months, one extra ... closely spaced sclerites zones, which corresponded with an elapse of two winter seasons. The comparative ...
Meeting Document : WG-FSA-94/12 : Author(s): E.R. Barrera-Oro and R.J. Casaux (Argentina)
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Plan of research program of the Russian Federation in Subarea 48.5 (Weddell Sea) in season 2013/14
Abstract: Closed mostly within the Weddell Sea Subarea 48.5 is one of the closed data-poor CCAMLR ... subareas, where stock assessment should be carried out. In spite of hard ice conditions during most of the ... time of the year, this large water area is very similar with the Ross Sea. This similarity, which could ... as one of the most promising area for exploratory fishery of Dissostichus sp. However, fishery in ...
Meeting Document : WG-FSA-13/09 : Author(s): A.F. Petrov, I.I. Gordeev and K.V. Shust (Russia)
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Results of the research for the exploratory longline fishery for Dissostichus spp. in SSRUs C and E in Division 58.4.1 in 2012/13 of Korea
Abstract: In the Division 58.4.1 there are two stocks of Dissostichus mawsoni; one extends from ... vulnerable with a big range of about 1,000-2,000 t per SSRU in 58.4.1. However, there is not enough data and ... cooperatively the research plan for the exploratory longline fishery for Dissostichus spp. in SSRUs of 58.4.1 C ... because of the harsh sea condition, even though the plan was set to conduct in 58.4.1 C-a and C-b, and E-a ...
Meeting Document : WG-SAM-13/28 : Author(s): I.J. Yeon, Y.J. Kwon, D.W. Lee, S.G. Choi, and K.J. Seok (Republic of Korea)
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PRELIMINARY REPORT OF THE NEW ZEALAND RV TANGAROA IPY-CAML SURVEY OF THE ROSS SEA REGION, ANTARCTICA IN FEBRUARY-MARCH 2008
Ross Sea region in support of the International Polar Year Census of Antarctic Marine Life (IPY-CAML ... ). The 50 day voyage on the research vessel Tangaroa involved an extensive survey of marine organisms ... from viruses to pelagic and demersal fish and cephalopods from the surface down to depths of 3500 m ... , and from the continental shelf and slope of the Ross Sea to unexplored seamounts and abyssal plains ...
Meeting Document : WG-EMM-08/18 : Author(s): S.M. Hanchet, J. Mitchell, D. Bowden, M. Clark, J. Hall, R. O’Driscoll, M. Pinkerton and D. Robertson (New Zealand)
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Estimates of abundance of Dissostichus eleginoides and Champsocephalus gunnari from the random stratified trawl survey in the waters surrounding Heard Island in Division 58.5.2 for 2019
completion of 150 stations. The survey was conducted on the FV Atlas Cove. Sampling protocols such as the ... design and the duration of the hauls were similar to recent surveys, but with a new set of randomly ... selected station points. However, only 5 of 18 stations were sampled in Gunnari Ridge since the catch limit ... of the survey. The catch of Dissostichus eleginoides (Patagonian toothfish) was 30.5 t which, while ...
Meeting Document : WG-FSA-2019/03 : Author(s): G.B. Nowara, T.D. Lamb and P. Ziegler