Résultats de la recherche

1. Detection and quantitative estimation of krill concentrations by hydroacoustic instruments

   Paper Title:  Detection and quantitative estimation of krill concentrations by hydroacoustic ... detecting dispersed and surface concentrations of krill lead to considerable underestimates of krill biomass ... in areas surveyed. The task of detecting surface concentrations of krill can be solved with the help ... of towed acoustic antennae. The practical possibility of detecting dispersed krill by hydroacoustic ... OF KRILL CONCENTRATIONS BY HYDROACOUSTIC INSTRUMENTS Experience in using fish-finding ... accuracy, it is necessary to have data on the target strength of krill and on sound attenuation in ... . Assuming that such a value of acoustic power is possible for a fish-finding hydroacoustic instrument [the ... of fish-finding instruments. Rybnoje hozajstvo, 1974, No. 7. On coherent sound scattering by fish ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 123-139 : Auteur(s): Yudanov, K.I.

2. Acoustic estimates of krill biomass in the Elephant Island area: 1981-1993

   Abstract:  Acoustic estimates of krill biomass in the vicinity of Elephant Island for the years ... previous reports adjusted for the recently proposed definition of krill target strength. Biomass estimates ... xl03 t and 52.8 g/m2. Author(s):  D.A. Demer and R.P. Hewitt (USA) Title:  Acoustic estimates of krill ...

   Meeting Document : WG-KRILL-93/49 : Auteur(s): D.A. Demer and R.P. Hewitt (USA)

3. How many krill should we measure?

   Abstract:  We have no standard as to how many krill we should measure to obtain reliable estimates ... on its body length distribution. Krill samples collected from layers in the northern waters of ... cumulative frequency distributution. Author(s):  Y. Endo (Japan) Title:  How many krill should we measure ...

   Meeting Document : WG-KRILL-90/26 : Auteur(s): Y. Endo (Japan)

4. Small scale krill surveys: simulations based on observed euphausiid distributions

   the effects of krill swarm orientation and shape on the success of two proposed survey designs. The ... .) of mean krill density varies inversely with mean density, and is lowest for the survey design ... (Secretariat) and S. Nicol (Australia) Title:  Small scale krill surveys: simulations based on observed ...

   Meeting Document : WG-KRILL-91/19 : Auteur(s): D.J. Agnew (Secretariat) and S. Nicol (Australia)

5. Summary of monitoring and research effort and preliminary results from the 2019 Scotia Sea krill monitoring survey with FV Cabo de Hornos

   were travelled on transects, and in addition to the acoustic data collection which is presented in a ... -2019-46.docx Approval:  Approved Secretariat Workflow Status:  Content Approved Document Release ... Scotia Sea krill monitoring survey with the F/V Cabo de Hornos. The vessel was chartered by the ... Research to carry out a significant part of the 2019 Scotia Sea large scale krill monitoring. All sections ...

   Meeting Document : WG-EMM-2019/46 : Auteur(s): G. Skaret, M. Martinussen, G. McCallum, R. Pedersen, J. Rønning, A.L. Donoso, O.A. Bergstad and B.A. Krafft

6. Status of krill target strength

   Abstract:  Empirical estimates for the target strength of krill are extracted from the literature ... pattern. Several specific recommendations are made for future, improved determinations of krill target ... ):  K.G. Foote (Norway), D. Chu and T.K. Stanton (USA) Title:  Status of krill target strength Approval ...

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

7. Measurements of differences in the target strength of Antarctic krill (Euphausia superba) swarms at 38 and 120 kHz

   Abstract:  Differences in the target strength of adult Antarctic krill (Euphausia Superba) at 38 ... 1990. Krill in these areas varied in total length between 36 and 60mm. Backscattering strengths at 120 ... of Antarctic krill (Euphausia superba) swarms at 38 and 120 kHz Approval:  Approved ...

   Meeting Document : WG-KRILL-90/28 : Auteur(s): I. Hampton (South Africa)

8. Suggested outline for the design and implementation of future near-synoptic krill surveys

   Author(s):  Submitted by Denzil G.M. Miller (Convener WG-Krill Title:  Suggested outline for the ... design and implementation of future near-synoptic krill surveys Approval:  Approved ...

   Meeting Document : WG-Krill-94/20 : Auteur(s): Submitted by Denzil G.M. Miller (Convener WG-Krill

9. Size and density of krill layers fished by a Japanese trawler in the waters north of Livingston Island in January 1988

   Paper Title:  Size and density of krill layers fished by a Japanese trawler in the waters north of ... Livingston Island in January 1988 Abstract / Description:  The size and density of fishable krill layers in ... were 3.25 km, 13.3 m and 228.0 g wet weight/m 2, respectively. The krill layers fished by the trawler ... from FIBEX data, 300 g/m2 • As shown above, the krill layers fished by the trawler during the co ... tow and their shape and dimension were determined from the echogram of a fish finder on the trawler ... not fish the deeper parts of the layers in at least 16 out of 34 hauls. Catch per tow ranged from ... WG-KRILL-89/6 SIZE AND DENSITY OF KRILL LAYERS FISHED ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 339–345 : Auteur(s): Endo, Y. and Y. Shimadzu

10. Modelling krill recruitment

    its variance to model recruitment in a krill population in terms of numbers of recruits. The method ... ):  W. de la Mare (Australia) Title:  Modelling krill recruitment Approval:  Approved ...

    Meeting Document : WG-KRILL-93/13 : Auteur(s): W. de la Mare (Australia)

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