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1. Analyses of acoustic line-transect data from the waters around South Georgia: estimation of krill (Euphausia superba Dana) biomass

   Abstract:  A large-scale acoustic survey of zooplankton stocks of the waters around South Georgia ... various definitions of strata. The total biomass in the area of 155 786 km2 was estimated to be 1.8225 x ... 106 t (Coefficient of Variation = 9.5%). This gives an estimate of mean density throughout the region ... of 11.7 t km-2. Although the estimate of the mean is not sensitive to the definition of strata, the ...

   Meeting Document : WG-KRILL-91/30 : Автор(ы): E. Murphy, I. Everson and A. Murray (United Kingdom)

2. The Role of Fish as Predators of Krill (Euphausia superba) and Other Pelagic Resources in the Southern Ocean

   number of food studies were conducted. Currently, the best estimates of krill consumption by fish are 23 ... – 29. 106 tonnes of krill and other pelagic prey taken annually by demersal fish and 7 – 44. 106 tonnes ... confidence limits. Major shortcomings of the consumption estimated for mesopelagic fish are the validity of ... hydro-acoustic biomass estimates conducted in the late 1980’s and the lack of quantitative food ...

   Meeting Document : CCAMLR-IWC-WS-08/09 : Автор(ы): Collins, M.A., Williams, R., Agnew, D.J., Kock, K.-H., Belchier, M., Shust, K.V., Welsford, D., Hanchet, S., Pshenichnov, L., Barrera-Oro, E.

3. Demographic studies of Antarctic krill Euphausia superba Dana in the Cooperation and Cosmonaut Seas (Indian sector of the Southern Ocean)

   Abstract:  The reproductive state and size composition of Euphausia superba collected in the ... Indian sector of the Southern Ocean from 1985 to 1990 were analyzed to estimate its growth, life span and ... mortality rates. The duration of the life cycle of E.superba exceeded 5 years in the Cosmonaut Sea and 6 ... -0.133 mm.d-1, during the first year of life, to 0.019-0.022 mm.d-1 during the fifth year. Von ...

   Meeting Document : WG-Krill-94/16 : Автор(ы): E.A. Pakhomov (Ukraine)

4. Distribution and abundance of Antarctic krill in the vicinity of Elephant Island during the 1994 austral summer

   Abstract:  The distribution and abundance of Antarctic krill (Euphausia superba) were estimated ... from four acoustic surveys conducted in the vicinity of Elephant Island, Antarctica, from mid-January ... Island and the eastern end of King George Island; the second and third surveys covered approximately 2100 ... n.mile2 immediately north of Elephant Island. During the first survey, the highest densities of krill were ...

   Meeting Document : WG-Joint-94/09 : Автор(ы): R.P. Hewitt and D.A. Demer (USA)

5. Assessment of the analysis of anomalous CPUE data from data-poor exploratory fisheries

   Abstract:  The article is concerned with discussion of the Analysis of anomalous CPUE data from ... data-poor exploratory fisheries (WG-FSA-12/07). Key points of the paper were presented and discussed ... during the Workshop for the Analysis of the Anomalous High CPUE by Korean Vessels in the CCAMLR Area ... (2013,April 29th- May 1st, Busan, Korea). This paper attempts to explain possible reasons of anomalous ...

   Meeting Document : WG-SAM-13/16 : Автор(ы): V.A. Tatarnikov, A.F. Petrov and I.I. Gordeev (Russia)

6. 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 2018

   Abstract:  The annual random stratified trawl survey (RSTS) of 2018 around Heard Island and ... McDonald Island (HIMI) in Division 58.5.2 took place from the end of March to the end of April, with the ... completion of 163 stations plus eight extra fine mesh hauls. 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 ...

   Meeting Document : WG-FSA-18/55 : Автор(ы): G. Nowara, T. Lamb and P. Ziegler

7. Preliminary report of sound-speed contrast and density of krill measured on board RV Kaiyo Maru

   Abstract:  The target strength (TS) of Antarctic krill, Euphausia superba, is a scaling factor to ... improve the accuracy and precision of the TS value. Since in situ and experimental TS measurements of ... characteristics of the TS. For the calculation by the acoustical scattering model, the information of size ... , morphology, orientation, and material properties of krill are required. There are two important material ...

   Meeting Document : WG-EMM-05/36 : Автор(ы): Y. Takao, H. Yasuma, R. Matsukura and M. Naganobu (Japan)

8. Biotopic and spatial distribution of krill Euphausia superba Dana (Crustacea, Euphausiacea) length groupings in the Atlantic sector of Antarctic in summer 1984 and 1988

   Abstract:  Three basic length groupings of krill were identified with the clustering analysis on ... the basis of the data of two complex surveys carried out in the western Atlantic sector of Antarctic ... in summer 1984 and 1988. The large-length grouping is biotopically associated with the waters of the ... southern branch of the Antarctic Circumpolar Current (ACC). The middle-length grouping and the small-length ...

   Meeting Document : WG-EMM-04/27 : Автор(ы): V.V. Lidvanov, A.V. Zimin, K.E. Shulgovsky (Russia)

9. Sources of variance in studies of krill population genetics

   Abstract:  There is a long-term interest in the population genetics of Antarctic krill species ... because of their ecological end economic importance. The possibility that there are distinct genetic ... stocks of these species would affect the design of management strategies for conserving them. A recent ... resurgence of interest in identifying distinct stocks of swarming krill species has been driven by the ...

   Meeting Document : WG-EMM-01/12 : Автор(ы): S.N. Jarman and S. Nicol (Australia)

10. Reassessment of important population parameters for Dissostichus eleginoides on the Heard Island Plateau (Division 58.5.2) based on time series of surveys and fishery data

    Abstract:  A large body of data and techniques are available for re-assessing the biological ... parameters and recruitment of Patagonian toothfish, Dissostichus eleginoides, in the Heard Island region. A ... new survey of the Heard Island Plateau was undertaken in May- June 2001, providing the sixth survey ... over 11 years on this stock with other surveys including part of this stock. This paper describes the ...

    Meeting Document : WG-FSA-01/73 : Автор(ы): A.J. Constable, R. Williams, T. Lamb, I.R. Ball and E. van Wijk (Australia)

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