Résultats de la recherche

1. Exploratory analysis of acoustic data from the Ross Sea

   side-lobe could create a deadzone of 50–100 m on apparently flat ground. Because both toothfish and ... and 200 m; and a more diffuse deep scattering layer between 300 and 800 m. Pelagic schools were also ...

   Meeting Document : WG-FSA-SAM 03/9 : Auteur(s): R.L. O’Driscoll and G.J. Macaulay (New Zealand)

2. Interaction between oceanography, krill and baleen whales in the Ross Sea and adjacent waters, Antarctica in 2004/05

   summarized as an oceanographic environmental index that integrated the mean temperature from 0 to 200 m in ... depth (ITEM-200). Distribution of ITEM-200 was used as background information for comparing with ... Surface Water (ASW) area (ITEM-200 = 0 to-1°C) and extended in the Shelf Water (SW) area (less than ITEM ... -200 =-1°C). Ice krill (Euphausia crystallorophias) clearly distributed in SW but not ASW. Humpback ...

   Meeting Document : WG-EMM-07/07 : Auteur(s): M. Naganobu, S. Nishiwaki, H. Yasuma, R. Matsukura, Y. Takao, K. Taki, T. Hayashi, Y. Watanabe, T. Yabuki, Y. Yoda, Y. Noiri, M. Kuga, K. Yoshikawa, N. Kokubun, H. Murase, K. Matsuoka and K. Ito (Japan)

3. Relationships between oceanographic environment and distribution of krill and baleen whales in the Ross Sea and adjacent waters, Antarctica in 2004/05

   zooplankton and fishes as well as baleen whales with an oceanographic environment index (namely MTEM-200 which ... is the averaged temperature in degrees Celsius from the surface to 200 m; note all temperatures given ... below are MTEM-200 values).- Antarctic krill mainly distributed in the waters between 0 to-1℃ of MTEM ... -200, which approximated the area covered by the Antarctic Surface Water (ASW) zone, and slightly ...

   Meeting Document : WG-EMM-08/31 : Auteur(s): M. Naganobu, S. Nishiwaki, H. Yasuma, R. Matsukura, Y. Takao, K. Taki, T. Hayashi, Y. Watanabe, T. Yabuki, Y. Yoda, Y. Noiri, M. Kuga, K. Yoshikawa, N. Kokubun, H. Murase, K. Matsuoka, T. Iwami and K. Ito (Japan)

4. Summary of the toothfish fishery and tagging program in the Amundsen Sea region (SSRUs 882C–H) to 2017/18

   the catch limit from 200 t. Research block 882_1: 240 t based on CPUE by seabed area and allowing a ... maximum of 20% change in the catch limit from 200 t. Research block 882_2: 240 t based on a one-year ... % change in the catch limit from 200 t. Research block 882_3: 160 t based on CPUE by seabed area and ... allowing a maximum of 20% change in the catch limit from 200 t. Research block 882_4: 214 t based on CPUE ...

   Meeting Document : WG-FSA-18/36 : Auteur(s): S. Mormede and S. Parker

5. 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 ... -38 kHz (S v120-38) window, and only the 200-120 kHz and 120-70 kHz (S v120-70 & S v200-120 ... ) identification window was comparable with the regularly used 120-38 and 200-120 kHz  (S v120-38 & S v200-120 ...

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

6. Hydroacoustic survey of elephant island and the vicinity of King George Island, austral summer 1989

   years survey. The total biomass in the vicinity of Elephant Island estimated from 200 kHz survey data ... estimated to contain 975 k tons of krill and covered approximately 200 nm2. Author(s):  Delegation of USA ...

   Meeting Document : SC-CAMLR-VIII/BG/33 : Auteur(s): Delegation of USA

7. NET-BASED VERIFICATION OF ACOUSTIC TECHNIQUES USED TO IDENTIFY ANTARCTIC KRILL

   at 200 and 120 kHz (Sv200-120). We considered the performance of 4 different acoustic target ... every net fell within the SDWBA model derived target id window, however, for 200- 120 kHz the SDWBA ... backscatter to krill. Therefore the SDWBA(11,4) using 38, 120 and 200 kHz in the present configuration to set ...

   Meeting Document : WG-EMM-08/54 : Auteur(s): J. Watkins and S. Fielding (United Kingdom)

8. The SCAR Antarctic digital topographic database

   Scientific Committee on Antarctic Research (SCAR), during a two-year period. Over 200 maps, at scales ranging ... from 1:200 000 to 1:5 000 000, were digitized for the project and reference was made to a similar ...

   Meeting Document : SC-CAMLR-XII/BG/16 : Auteur(s): Delegation of United Kingdom

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

   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 ...

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

10. Short note: Time series of Drake Passage Oscillation Index (DPOI) during 1952-2008 and its possible influence on environmental variability

    surface to 200 m (MTEM-200). DPOI suggests influence on the variability of oceanic condition and thus for ...

    Meeting Document : WG-EMM-08/33 : Auteur(s): M. Naganobu, J. Kondo and K. Kutsuwada (Japan)

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