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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. Spawning locations of mackerel icefish at South Georgia

    was caught on 16 March, five more on the following day, two on 20 March and 14 on 30 March. 011 5 April ... was undertaken using an RMT8 at stations up to 20 k m from the mouth of each bay (North, 1990; White, 1998 ... earlier. Information from sampling the stations outside the bay but within 20 km of the coast, as shown ...

    Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 107–118 : Author(s): Everson, I., A.W. North, A. Paul, R. Cooper, N.C. McWilliam and K.-H. Kock

  2. Otolith microstructure of juvenile mackerel icefish (Champsocephalus gunnari) (Channichthyidae) in the South Georgia area

    radius and annulus were measured by the ocular-micrometer (20 units = 1 mm). The second otolith ... ) and 2000/01 (20 specimens) split-years. The 1999/2000 year class included 1-year-old fi sh (1+), which ...

    Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 173–181 : Author(s): Shcherbich, L.V

  3. Information on the status of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in the lower South Shetland Islands, derived from the 2000–2006 monitoring program at Potter Cove

    G. gibberifrons N. rossii P ro po rti on 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0 Barrera-Oro ... of N. rossii and G. gibberifrons declined from values of over 20% in 1985 to values of less than 5% in 1988 ... of freedom Mean square F P (a) Notothenia rossii, total catches Years 19.8835 20 0.994173 14.6162 <0.00001 ... Error 59.3803 873 0.068019 (b) Gobionotothen gibberifrons, total catches Years 9.8124 20 0.49062 ...

    Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 83–87 : Author(s): Barrera-Oro, E.R. and E.R. Marschoff

  4. Protecting young fish and spawning aggregations of Champsocephalus gunnari in Subarea 48.3 (South Georgia): a review

    0 HOBbIX CpOKaX 72lKPbITOTO Ce30Ha - C 1 M a p T a no 3 1 MaR. Resumen Se consider6 la necesidad de ... , achieving catch rates in the region of 20-50 tonnes per day. The total catch in the fishery was limited ... ' recruitment (e.g. 20% of the pre-exploitation level, as used in the CCAMLR generalised yield model ... of the fishery between 4 November 1988 and 20 November 1989. CM 15/VIII, 1989 Closure of the fishery from ...

    Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 75–86 : Author(s): Parkes, G.B

  5. Defining smaller-scale management units to further develop the ecosystem approach in managing large-scale pelagic krill fisheries in Antarctica

    (An- tarctic Peninsula). CCAMLR Science, 4: 19–35. Trathan, P.N., I. Everson, E.J. Murphy, and G.B. Parkes ... of the local populations; the right hand population has one local population (top left) acting predominantly ... a predator–prey system independent of the top system. Constable and Nicol 126 Figure 4: Schematic ... to June 2000: Subarea 48.3 (top panel), Subarea 48.2 (middle panel) and Subarea 48.1 (bottom panel ...

    Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 117–131 : Author(s): Constable, A.J. and S. Nicol

  6. Do krill and salps compete? Contrary evidence from the krill fisheries

    XypHUIOB XIIOHCKHX KpMneBbIX TpaynepOB, pa60~a~lrnlx B pa i io ... 4 13 Deviance 185 293.90 65 402.14 1 088.93 1 517.10 1 577.60 1 142.82 2 325.27 2 051.42 ... to 0.625 ppm (1.78-6.25 X 108 pm3 I-'), and most of this variation was due to particles greater than 20 ... for krill, which effectively filters particles larger than 20 pm (Meyer and El-Sayed, 1983), thereby ...

    Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 205–216 : Author(s): Kawaguchi, S., T. Ichii, M. Naganobu and W.K. de la Mare

  7. Statistical problems in krill stock hydroacoustic assessments

    of patches in 1984. The shaded area is approximately 20 n miles from Seal Island (the estimated foraging ... in the vicinity of Elephant Island in March 1981 (a) and March 1984 (b). The shaded area is approximately 20 ... 1984 (b). La zone hachuree est situee a environ 20 milles n de I'ile des Phoques, une colonie de ... paCTO.HHHH 20 MOPCKHX MHJIb OT o. CHJI, H3BecTHoM 3aJIe)l(KH nHHrBHHOB. BOJIbmOe CKOnJIeHHe, HaOJIIO ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 301–309 : Author(s): Macaulay, M.C.

  8. Use of the Leslie stock depletion model for the assessment of local abundance of Patagonian toothfish (Dissostichus eleginoides)

    ' II0 CPaBHeHMIO C KYMYJlXTMBHblM BbIJlOBOM nPA YCJlOBAM TOrO, YTO OAHHOYHbIe CyAa pa60 ... B 0 6 q e ~ B AaHHbIX OTCYTCTBYeT ~aKofr-JtPi60 I I o c J I ~ A o B ~ T ~ J I ~ H ~ I ~ ~ npA3HaK ... 4 8 7 6 Identification Numbers for Corrected Series 1,3,5,7,8,9,10,11,12, 13, 14, 15, 16, 17, 18, 20, 22 3, 9, 15 ... 20 2 1 22 Table 6: Series selected from the CCAMLR database for Chilean longliners in the 1992 ...

    Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 55–77 : Author(s): Parkes, G., C.A. Moreno, G. Pilling and Z. Young

  9. Management and uncertainty: the example of South Georgia

    He3aMeAJlHTeJlbHOrO H AOJlrOCpOqHOrO pe3YJlhTaTOB AeHcTBH5I KaKOH-JlH60 OAHOH MepbI C TaKOBbIMH Jlro6oH APyroH TaKoH ... MepbI (BKJlroqa51 pe3YJlbTaT npH OTCYTCTBHH KaKHX-JlH60 AeHcTBHH) MOJKeT npHBecTH K c03AaHHID nOp5lAKa ... BbIpa60TKH TaKHX npeAJlOJKeHHH, KOTopbIe 6YAYT yqHTbIBaTb 3TY HeonpeAeJleHHocTh. 3TOT Bonpoc CTaBHTC5I ... some 20 millions before 1965, to some 3 to 6 millions for the 1967 to 1975 year-classes, to possibly ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 341-353 : Author(s): Gulland, J.A.

  10. Southern elephant seals and CCAMLR

    de M. leonina en el Oceano Indico austral. Pe310Me B :ilTOM pa60Te omrcaHbI pe3YJlbTaTbI ... suggested standing stock of only 130 000 t and a MSY of about 20 000 t. Both estimates are far below ... , Mirounga leonina, at Marion Island. J. appl. Ecol. 20: 707 - 712. VAN AARDE, R.J. 1980a. Fluctuations ... . & M. PASCAL. 1980. Marking southern elephant seals at Kerguelen. Polar Rec. 20: 62 - 65. WILKINSON, I.S ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 465-473 : Author(s): Bester, M.N. and D.G.M. Miller

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