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Комиссия по сохранению морских живых ресурсов Антарктики

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  1. Acoustic estimates of krill abundance at South Georgia, 1981–1998

    north-eastern and north-western ends of South Georgia. In four of these years biomass was higher to the ... Abstract:  Acoustic estimates of abundance of the Antarctic krill, Euphausia superba, at South ... subsidiary during other studies of the pelagic ecosystem at South Georgia. Krill abundance at the island ... of the years between 1990 and 1998 it was possible to calculate separate biomass estimates for the ...

    Meeting Document : WS-AREA 48-98/9 : Автор(ы): A.S. Brierley, J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson (UK)

  2. Status of krill target strength

    cause of bias in single-animal measurements, namely thresholding. Theoretical estimates for the target ... Abstract:  Empirical estimates for the target strength of krill are extracted from the literature ... strength are derived from the deformed-cylinder scattering model assuming specific sets of physical and ... . These are confined to measurements on aggregations of live euphausiids, which should avoid a frequent ...

    Meeting Document : WG-KRILL-92/11 : Автор(ы): K.G. Foote (Norway), D. Chu and T.K. Stanton (USA)

  3. Target strengths of Antarctic krill (Euphausia superba)

    Paper Title:  Target strengths of Antarctic krill (Euphausia superba) Abstract / Description:  The ... and 120 kHz in a sheltered bay at South Georgia. The results indicate that the Target Strength values ... Mean Volume Backscattering Strength of encaged aggregations of swimming krill have been measured at 38 ... in estimated mean target strengths, the general finding of this study is clear. The target ... attempt to quantify its abundance in 1981 over part of its area of occurrence in the Southern Ocean ... , defrosted or otherwise preserved specimens, in fresh water as well as sea water. In addition the state of ... measurements of the target strength of E. superba, made in January and February 1988. These were performed on ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 265–279 : Автор(ы): Everson, I., D.G. Bone, J.L. Watkins and K.G. Foote

  4. Biology and distribution of South Georgia icefish (Pseudochaenichthys georgianus) around South Georgia and Shag Rocks

    Abstract:  Pseudochaenichthys georgianus is a member of the unique Channichthyidae family, which ... surveys undertaken in the austral summers between 1986 and 2006. P. georgianus (50-590 mm Total Length ... ) were caught throughout the South Georgia shelf from depths of 76 to 370 m, but very few specimens ... lack haemoglobin. The distribution, length-frequency and summer diet are described from 14 bottom trawl ...

    Meeting Document : WG-FSA-07/21 : Автор(ы): S. Clarke, W.D.K. Reid, M.A. Collins and M. Belchier (United Kingdom)

  5. Status of krill target strength

    Paper Title:  Status of krill target strength Abstract / Description:  Empirical estimates for the ... aggregations of live euphausiids and should not be affected by a frequent cause of bias in single-animal ... is an empirical basis. The theoretical estimates show a non-monotonic dependence of target strength ... recommendations are made for future, improved determinations of krill target strength. Based on the comparisons ... performed near the South Orkney Islands in May 1983 on krill of mean length 44.7 mm, for which the ... South Georgia in June 1983 onkrill of mean length 49.9 mm, with effective mean TS of -72 dB. The ... Hampton, 1989). In order to convert measurements of echo strength to biological quantities, such as the ... 102 ! :/ interest in krill biomass, as witnessed, for example, by the scale of international ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 101–126 : Автор(ы): Foote, K.G., D. Chu and T.K. Stanton

  6. Net diagrams and mammal exclusion devices of Chinese krill fishing vessels

    exclusion devices included in the krill fishery notification submitted by China Author(s):  Delegation of ... the People’s Republic of China Title:  Net diagrams and mammal exclusion devices of Chinese krill ... Abstract:  As requested by CM 21-03, Annex 21-03/A, attached are the net diagrams and mammal ...

    Meeting Document : WG-EMM-14/33 : Автор(ы): Delegation of the People’s Republic of China

  7. Acoustic estimates of krill density at South Georgia, December/January 1998/99

    Abstract:  Dual frequency (38 and 120 kHz) acoustic data from grid surveys in two boxes to the ... krill density there. Densities (east = 11.1 g m-2, west = 12.0 g m-2) were towards the lower end of the ... range observed over the past two decades, but not abnonnally low, and comprised almost entirely of large ... north-west and north-east of South Georgia during December/January 1998/99 were used to estimate mean ...

    Meeting Document : WG-EMM-99/20 : Автор(ы): A.S. Brierley and C. Goss (United Kingdom)

  8. Towards an ecosystem status assessment for South Georgia ‘Variability of Southern Ocean Ecosystems’ Project Team

    interannual variability that we observe habitually in many components of the South Georgia marine ecosystem ... Abstract:  We present the beginnings of a compilation of a suite of physical and biological ... 1999. We plan to use these data, some of which arise from the British Antarctic Survey's Core ... lead to an improved understanding of some cause-and-effect mechanisms that underlie the pronounced ...

    Meeting Document : WG-EMM-00/61

  9. Report of biologist observer on commercial vessel RKTS General Petrov - April to August 1994

    Abstract:  The report of the biologist- observer contains fishery and biostatistical information ... on Euphausia superba Dana in Area 48. The report includes: data on collected materials, areas and ... periods of operation, fishing regime, data on krill biological state. Author(s):  Delegation of Ukraine ... Title:  Report of biologist observer on commercial vessel RKTS General Petrov- April to August 1994 ...

    Meeting Document : SC-CAMLR-XIV/BG/30 : Автор(ы): Delegation of Ukraine

  10. Finfish research proposals for Subarea 48.6 by Koryo Maru 11 for 2012/13 (this is a revision of WG-SAM-12/12)

    limited to Statistical Subarea 48.6.  Preliminary assessments of Dissostichus spp. stocks in Subarea 48.6 ... analysis.  The preliminary assessment indicates that the historic precautionary maximum catch limit of 200 ... that the historic precautionary maximum catch limit of 200 tonnes of Dissostichus spp. for Subarea 48.6 ... south of 60°S may be sustainable.  Therefore the historic maximum catch limits are assumed for this ...

    Meeting Document : WG-FSA-12/30 : Автор(ы): C. Heiniken and R. Ball (South Africa)

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