Résultats de la recherche
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Further analysis of target strength measurements of Antarctic krill at 38 and 120 kHz: comparison with deformed cylinder model and inference of orientation distribution
be made at each frequency. By requiring that the differencebetween predicted and measured target ... strengths be a minimum in a least-squares sense, it ispossible to infer the orientation distribution. This ... analysis of target strength measurements of Antarctic krill at 38 and 120 kHz: comparison with deformed ... scattering model. Author(s): D. Chu (USA), K.G. Foote (Norway) and T. K. Stanton (USA) Title: Further ...
Meeting Document : WG-KRILL-93/06 : Auteur(s): D. Chu (USA), K.G. Foote (Norway) and T. K. Stanton (USA)
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Killer whale Orcinus orca and sperm whale Physeter macrocephalus interactions with longline vessels in the Patagonian toothfish fishery at South Georgia, South Atlantic
likely that sperm whales were attracted to areas with high catch rates, but in areas with lower catch ... -line observations on a longliner in the 2001 season it was noted that toothfish lips on hooks were more ... prevalent when sperm whales were in the vicinity of the vessel, suggesting that whole fish might be ... Abstract: Killer whale (Orcinus orca) and sperm whale (Physeter macrocephalus) interactions with ...
Meeting Document : WG-FSA-03/27 : Auteur(s): M.G. Purves (United Kingdom), D.J. Agnew (United Kingdom), E. Balguerías (Spain), C.A. Moreno (Chile) and B. Watkins (South Africa)
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Analysis of sea-ice concentration of 48.6_4 and _5 with remote sensing data during the latest four seasons
develop the research plan and make the presentation on that in the coming WG-FSA meeting. Author(s): T ... . Namba, K. Taki and T. Ichii Title: Analysis of sea-ice concentration of 48.6_4 and_5 with remote ... byUniversity Bremen. Figure 1 shows the overall of the topography and ice condition with Shinsei maru No. 3 ... trace in 2015/16 season (the detailed trace will be presented at the PowerPoint slide in the WG-SAM-16 ...
Meeting Document : WG-SAM-16/42 Rev. 1 : Auteur(s): T. Namba, K. Taki and T. Ichii
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A survey of fish stocks in the Heard Island and McDonald Islands region in the 1999/2000 season and a comparison of the abundances of selected species with those obtained in previous surveys
since 1990 and results from each survey are presented so that inter-annual comparisons can be made ... abundances of selected species with those obtained in previous surveys Approval: Approved ... . Author(s): R. Williams, A. Constable, T. Lamb and E. van Wijk (Australia) Title: A survey of fish ...
Meeting Document : WG-FSA-00/40 : Auteur(s): R. Williams, A. Constable, T. Lamb and E. van Wijk (Australia)
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A plan for Antarctic krill survey with a scientific broadband echosounder onboard R/V Kaiyo-maru in the CCAMLR Division 58.4.1 during 2018/19 season
, orientation and length distributions will be inferred from the measured spectra with theoretical acoustic ... , R. Matsukura, T. Mukai and H. Murase Title: A plan for Antarctic krill survey with a scientific ... will conduct echo sampling with a scientific broadband echosounder EK80 (Simrad-Kongsberg) during a ... -maru. The echo sampling will be performed during targeted RMT1+8 tows. Spectra of volume backscattering ...
Meeting Document : SG-ASAM-18/05 : Auteur(s): K. Amakasu, K. Abe, R. Matsukura, T. Mukai and H. Murase
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Length-weight relationships of six fish species associated with krill fishery in the Atlantic sector of the Southern Ocean
commonly associated with Antarctic krill fishery, were determined. Samples were collected with Chinese ... August 2016. Data on LWRs and the relationships between standard length and total length of those species ... were presented. Those data on fish species derived from Antarctic krill fishery will be very helpful in ... understanding the interaction between krill fishery and fish community which associated with krill swarms. Data ...
Meeting Document : WG-FSA-17/64 : Auteur(s): L. Wei, G.P. Zhu and Q.Y. Yang
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The direct impact of fishing and fishery-related activities on marine life in the CCAMLR Convention Area with particular emphasis on longline fishing and its impact on albatrosses and petrels – a review
Iles Kerguelen. The fishery extended further south for a few years in the second half of the 1970' ... Ocean within one season. A number of direct effects from fishing activities can be seen on marine life ... , in particular birds and mammals. With the exception of plastic package bands on some sub-Antarctic ... direct impact of fishing and fishery-related activities on marine life in the CCAMLR Convention Area with ...
Meeting Document : SC-CAMLR-XIX/BG/11 : Auteur(s): Delegation of Germany
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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)
be associated with the quasi-stationary eddy, its southern branch is expressed as the East Wind Drift ... obtained aboard the Soviet trawler “Kapitan Oleinichuck". The waters off the Terre d'Adelie (130 ... °- 150° E) are likely to be. an area of regular occurence of krill concentrations, probably the frequency ... superba) off the Wilkes Land and Balleny Islands (with notes on the application of CPUE data as indices of ...
Meeting Document : WG-KRILL-90/16 : Auteur(s): V.N. Dolzhenkov, E.A. Kovalev, V.A. Spiridonov, V.P. Timonin, I.A. Zhigalov (USSR)
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Analysis of catch and effort data in SSRUs 882A–B North from the 2015 fishing season including comparisons with data from exploratory fisheries and closed areas
Norway noted that they would perform an analysis of CPUE variability, haul duration and haul speed from ... the 2015 survey of the northern region of SSRUs 88.2A–B, including a comparison with all exploratory ... fisheries and closed areas. The analysis showed that overall, the CPUE rates observed in the survey were ... within the range of that observed in other exploratory fisheries and similar to those typically observed ...
Meeting Document : WG-SAM-16/16 Rev. 1 : Auteur(s): K. Large, A. Dunn, S.J. Parker, T. Earl, C. Darby, M. Söffker and O.R. Godø
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Distribution patterns and biomasses of Antarctic krill (Euphausia superba) and ice krill (E. crystallorophias) with note on distribution of Antarctic minke whales (Balaenoptera bonaerensis) in the Ross Sea in 2005
Antarctic krill were high. Distribution pattern of Antarctic minke whales in the Ross Sea could be regulated ... krill (E. crystallorophias) with note on distribution of Antarctic minke whales (Balaenoptera ... =0.18) million t, respectively. School sizes of Antarctic minke whales were large where the densities of ... , K. Taki, T. Hayashi, T. Yabuki, T. Tamura, K. Konishi, K. Matsuoka, K. Miyashita, S. Nishiwaki and M ...
Meeting Document : WG-EMM-08/35 : Auteur(s): H. Murase, H. Yasuma, R. Matsukura, Y. Takao, K. Taki, T. Hayashi, T. Yabuki, T. Tamura, K. Konishi, K. Matsuoka, K. Miyashita, S. Nishiwaki and M. Naganobu (Japan)