Résultats de la recherche

1. Evaluation of some processing techniques applied to acoustic recordings from two krill fishing vessels

   Abstract:  Acoustic data from krill fishing vessels have the potential to provide useful ... contributions to assess local krill abundance and distribution, and even as input to the CCAMLR feedback ... . Here we show examples of processing with a prerequisite that abundance and distribution of krill are ... integration as a robust noise excluding technique, and as a krill identification technique in case data have ...

   Meeting Document : SG-ASAM-17/03 : Auteur(s): X. Wang, G. Skaret and O.R. Godø

2. Analysis of inter-vessel variability of krill length distribution in the catches obtained in the fishery in the Bransfield Strait (Subarea 48.1)

   Abstract:  The inter-vessel variability of krill distribution in the catches obtained in the ... statistically significant differences in the krill length distributions from  catches obtained by the vessels ... different fishing methods. The inter-vessel variability of krill length in the catches is more pronounced ... . Kasatkina Title:  Analysis of inter-vessel variability of krill length distribution in the catches obtained ...

   Meeting Document : WG-EMM-17/28 : Auteur(s): S. Kasatkina

3. Fishing behaviour of Chinese krill fishing fleet

   relationship between distance and frequency distribution of the adjacent krill fishing positions were analyzed ... ) ~ l-μ of random walk to determine which random walk patterns the Chinese krill fishing fleet belongs ... to. The results show that the behavior of the Chinese krill fishing fleet is consistent with the Lévy ... random walk model. Author(s):  R. Wang and G.P. Zhu Title:  Fishing behaviour of Chinese krill fishing ...

   Meeting Document : WG-EMM-17/45 : Auteur(s): R. Wang and G.P. Zhu

4. Comparing two and three frequency dB window identification techniques for estimating Antarctic krill density

   frequency echosounder (38, 70, 120 and 200 kHz), were used to characterise Antarctic krill. Identification ... of krill targets was carried out using different permutations of two and three-frequency windows ... . Density was estimated, from identified krill targets, using the 120 kHz data and an acoustic scattering ... identification techniques for estimating Antarctic krill density Approval:  Approved Secretariat Workflow Status ...

   Meeting Document : SG-ASAM-18/01 : Auteur(s): S. Fielding

5. Systematic Coverage’ by scientific observers on Krill Fishing Vessels

   Abstract:  A work plan to establish an observer scheme for krill fishery was agreed at the ... the observers. In this document, Japan proposes a framework for scientific observer system for krill ... Coverage’ by scientific observers on Krill Fishing Vessels Approval:  Approved ...

   Meeting Document : WG-EMM-08/34 : Auteur(s): Delegation of Japan

6. A compilation of parameters for a krill–fishery–predator model of the Scotia Sea and Antarctic Peninsula

   Abstract:  We describe the compilation and derivation of parameters for use in krill-fishery ... potential krill transport rates from the OCCAM global ocean circulation model. This parameter set, like most ... process. Our calculations suggest that myctophid fish are the major consumers of Antractic krill in the ... . Hinke and G. Watters (USA) Title:  A compilation of parameters for a krill–fishery–predator model of the ...

   Meeting Document : WG-EMM-06/30 Rev. 1 : Auteur(s): S. Hill, K. Reid, S. Thorpe (United Kingdom), J. Hinke and G. Watters (USA)

7. A review and update of krill biomass trends in the South Shetland Islands, Antarctica, using the simplified stochastic wave born approximation

   review the trends in biomass, size frequency distribution and proportional recruitment of Antarctic Krill ... . Use of acoustic windows based on the range of krill size increases variability in biomass estimates ... krill target strength model has been developed. Author(s):  C.S. Reiss and A.M. Cossio (USA) Title:  A ... review and update of krill biomass trends in the South Shetland Islands, Antarctica, using the simplified ...

   Meeting Document : WG-EMM-06/32 : Auteur(s): C.S. Reiss and A.M. Cossio (USA)

8. Analysis of krill trawling positions north of the South Shetland Islands (Antarctic Peninsula area), 1980/81–1999/2000

   Abstract:  Inter- and intra-annual variability of commercial krill trawling positions for the 1980 ... krill, especially at the beginning of the operation each season. In summer, biological factors that ... affect product quality such as salp abundance and the proportion of green krill, also seemed to have an ... to have an effect. Author(s):  S. Kawaguchi and K. Segawa Title:  Analysis of krill trawling ...

   Meeting Document : WG-EMM-01/35 : Auteur(s): S. Kawaguchi and K. Segawa

9. Towards developing a feedback management procedure for the Antarctic krill fishery

   spatial distribution of fishing activity for Antarctic krill in Statistical Area 48. The CEMP currently ... relevant to making inference about the potential for competition between krill-dependent predators and the ... strategy for the krill fishery includes comparison of predator performance in no-fishing areas, these ... management procedure for the Antarctic krill fishery Approval:  Approved ...

   Meeting Document : WG-EMM-12/44 : Auteur(s): G. Watters and J. Hinke (USA)

10. Assessment of escape mortality of Antarctic krill (Euphausia superba) in trawls

    Abstract:  The overall purpose of this study was to estimate the mortality rate of Antarctic krill ... experiment was carried out on the krill fishing grounds off South Orkney Islands (60°35’S, 45°30’W), during ... to a realistic catching process in a 16 mm mesh size, was found to be 1-6%. Krill may be more ... (Norway) and L.A. Krag (Denmark) Title:  Assessment of escape mortality of Antarctic krill (Euphausia ...

    Meeting Document : WG-EMM-14/14 : Auteur(s): B.A. Krafft (Norway) and L.A. Krag (Denmark)

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