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  • 资源配置效率: 供应链优化:头部平台通过规模效应将采购成本降低35%,品控响应速度缩短至4小时(中小企业需72小时)。 流量分配不均:TOP5主播占据60%的流量,中小商家获客成本高达20元
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  • 资源配置效率: 供应链优化:头部平台通过规模效应将采购成本降低35%,品控响应速度缩短至4小时(中小企业需72小时)。 流量分配不均:TOP5主播占据60%的流量,中小商家获客成本高达20元
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  1. Report of the international workshop on understanding living krill for improved management and stock assessment

    , Nagoya from 1-4 October 2002. 35 Participants from 5 nations (Japan, USA, Australia, Korea, Germany ... 1-4 October 2002. 35 Participants from 5 nations (Japan, USA, Australia, Korea, Germany, and Mexico) attended ...

    Meeting Document : WG-EMM-03/56 : Author(s): S. Kawaguchi (Australia) and M. Naganobu (Japan)

  2. Results of acoustic assessment of krill biomass in Subarea 48.2 during summer 1996

    ' S- 60°30' S and 42 °00' W- 50°00 'w within Subarea 48.2. The study area of 19.200 ... -tacks distance of 20 miles. The echosurvey was carried out diurnally. Krill target strength ... no the southern part (southwards of 60 ° 30'S) of Subarea 48.2 where southwards off Coronation Island ... considerable kri11 fishing grounds occure. According to AtlantNIRO data krill biomass southwards of 60 ° 30 ...

    Meeting Document : WG-EMM-96/36 : Author(s): Sunkovich, V.I., Kasatkina, S.M., Abramov, V.M., Polischuk, M.I., Sushin, V.A., Shnar, V.N.

  3. ON INCIDENTAL MORTALITY OF ANTARCTIC KRILL AT KRILL FISHERY

    low catchability, as a rule, 10-20%. The experiments showed that while percolated through large meshes ... meshes of the trawl codend 60 to 100% of individuals perished. There are two main aspects of this problem ... catchability, as a rule, 10-20%. The experiments showed that while percolated through large meshes 40-50 ... small meshes of the trawl codend 60 to 100% of individuals perished. There are two main aspects ...

    Meeting Document : WG-EMM-09/11 : Author(s): L. Pshenichnov (Ukraine)

  4. Influence of tag numbers, size of tagged fish, duration of the tagging program, and auxiliary data on bias and precision of an integrated stock assessment

    . The simulation study indicated that: (1) A high tag size-overlap (at least 60%, better 100%) and high tagging ... study indicated that: (1) A high tag size-overlap (at least 60%, better 100%) and high tagging numbers ... study indicated that: (1) A high tag size-overlap (at least 60%, better 100%) and high tagging numbers ...

    Meeting Document : WG-SAM-12/24 : Author(s): P.E. Ziegler (Australia)

  5. Distribution of krill (Euphausia superba Dana) catches in the South Shetlands and South Orkneys

    are used to show that for some years, at distances of between 20 and 60 km from predator colonies catches ... years, at distances of between 20 and 60 km from predator colonies catches in January and February may ... Abstract:  Zones of 20 km width are defined around selected colonies of penguins distributed ... Zones of 20 km width are defined around selected colonies of penguins distributed around the coasts ...

    Meeting Document : WG-KRILL-92/19 : Author(s): D.J. Agnew (Secretariat)

  6. Size selectivity of the RMT8 plankton net and a commercial trawl for Antarctic krill

    has been studied. Selection curves indicate that krill length classes smaller 20 mm ... are underrepresented in the RMT8. For the commercial trawl with a liner mesh size of 12mm the length classes smaller 35 ... studied. Selection curves indicate that krill length classes smaller 20 mm are underrepresented ... in the RMT8. For the commercial trawl with a liner mesh size of 12mm the length classes smaller 35 and 45 mm ...

    Meeting Document : WG-EMM-07/28 : Author(s): V. Siegel (Germany)

  7. Further development of a krill fishery simulation model

    predicts a 90% reduction in overlap with foraging predators, and a 15 to 20% reduction in catch. Closure ... of Livingston Island for the breeding period resulted in a 60% reduction in overlap with predators and 0 to 15 ... % reduction in overlap with foraging predators, and a 15 to 20% reduction in catch. Closure of Livingston ... Island for the breeding period resulted in a 60% reduction in overlap with predators and 0 to 15 ...

    Meeting Document : WG-Joint-94/04 : Author(s): D.J. Agnew (Secretariat)

  8. Assessment of the Patagonian Toothfish (D. eleginoides) in Subarea 48.3

    limit set at around 2,750 tonnes would be expected to keep the stock at or above 50% of B0 after 35 ... years with 50% probability, with less than 1% probability declining below 20% of B0 and would therefore ... at around 2,750 tonnes would be expected to keep the stock at or above 50% of B0 after 35 years with 50 ... % probability, with less than 1% probability declining below 20% of B0 and would therefore be consistent ...

    Meeting Document : WG-FSA-15/59 : Author(s): T. Earl, M. Soeffker and C. Darby (United Kingdom)

  9. Marine Protected Areas in the Southern Ocean: update on current status of designated areas

    marine and terrestrial components (all located south of 60°S). A further 3 MPAs have so far been formally ... marine and terrestrial components (all located south of 60°S). A further 3 MPAs have so far been ...

    Meeting Document : WS-MPA-11/19 : Author(s): S.M. Grant and P.N. Trathan (UK)

  10. Spectra analysis of Drake Passage Oscillation Index (DPOI) from 1952 to 2003, Antarctica

    and tested spectra analysis of the DPOI. The spectrum peaks are 20, 35 and 55 months including the short ... and tested spectra analysis of the DPOI. The spectrum peaks are 20, 35 and 55 months including the short ...

    Meeting Document : WG-EMM-04/46 : Author(s): M. Naganobu and K. Kutsuwada (Japan)

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