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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. Quantifying vessel performance in the CCAMLR tagging program: spatially and temporally controlled measures of tag-detection rates

    index 24 25 0.05–0.20 50 0.28–0.46 75 0.47–0.63 100 0.72 15 25 0.19–0.75 50 0.54–1.21 75 ... variability of the recapture rates are accounted for in the calculation by using CCAMLR Science, Vol. 20 ... fishing events. The space window used was a circle with a radius of 20 km, centred on the location ... in- vestigated. The space window of 20 km was chosen because this value corresponded to the maximum 75 ...

    Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 73–80 : Author(s): Mormede, S. and A. Dunn

  2. Possible effects of different levels of krill fishing on predators – some initial modelling attempts

    of predator dominates the krill-predator interaction, and that the effects h - 20 - 60 (12) caused by other ... ~e a,enaeTcx neplsaa nonbrTKa pa3pa60~a~b napaMeTpbr Monenkt, npennoxe~~of i Ha cosMecTHoM cosewawm PaGo~eii ... . Pa3pa60~a~a ' o A H o H ~ M ~ ~ B ~ ~ H H ~ R ' MoHenb ... 6b l~b nPHH5ITbI B 0 BHllMaHMe npll ,Qanb~ehe f i pa60Te Ha,Q AaHHbIM IIOflXOAOM A 0 TOrO, KaK ...

    Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 79–97 : Author(s): Butterworth, D.S. and R.B. Thomson

  3. Using ecosystem monitoring data to detect impacts

    of a baseline normal probability density function (PDF) were established from 20 observations drawn from ... then used to test for impacts in 20 more obser- vations drawn from the baseline period, represent- ing ... an ‘unimpacted’ population, and 20 observa- tions drawn from a distribution representing the impacted population ... : unimpacted sampled from years 1984–1990 0.05 0.01 0.35 0.48 0.15 0.1 0.02 0.39 0.53 0.25 0.04 0.48 ...

    Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 197–212 : Author(s): Hill, S.L., J. Forcada, P.N. Trathan and C.M. Waluda

  4. Surface areas of seabed within the 500 m isobath regions within the South Shetland Islands (Subarea 48.1)

    223.35 421.47 422.10 359.25 360.29 336.22 337.65 389.53 391.15 62.5 62.0 61.5 61.0 60.5 60.0 59.5 ... (61'30's-63'12'S, 56'30'W- 62'36'W). The region around Elephant Island (60'48's-61°36'S, 53"54'W-57"00 ... (UTM zone 20). To compute surface areas, the fine-scale gridded data were converted by GIS software ... m 301-400 m 401-500 m Planar Area 852.39 834.07 695.84 l 347.68 1 051.07 997.35 996.93 ...

    Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 133–140 : Author(s): Jones, C.D., S.N. Sexton and R.E. Cosgrove III

  5. Conservation Measure Conservation Measure 43-04 (2003)

    of the number of hauls required: (i) a minimum of 20 hauls must be made within the SSRU and must collectively ... SSRU and in locations where the bottom depth is 280 m or less: (i) a maximum total of 20 commercial ... in the commercial trawl; (iv) catches from this program will not count towards the value that triggers the 20 ...

    Conservation Measure : 43-04 (2003)

  6. The US commercial krill fishery in Area 48: development, fishing patterns, and decision making

    Abstract:  A U.S. flagged commercial factory trawler, the Top Ocean, started fishing operations ... , and decision making processes involved in harvesting krill by the U.S. fishery. Because the Captain of the Top ... increased each year due to factors related to the experience of the Top Ocean. Increasing catch rates ... A U.S. flagged commercial factory trawler, the Top Ocean, started fishing operations for krill ...

    Meeting Document : WG-EMM-02/18 : Author(s): C.D. Jones and M. Hull (USA)

  7. Conservation Measure Conservation Measure 9/VI (1987)

    be divided into three reporting periods, viz : day 1 to day 10, day 11 to day 20, and day 21 to the last ... FISHERY ON Champsocephalusgunnari IN SUBAREA 48.3 FROM 4 NOVEMBER 1988 TO 20 NOVEMBER 1989 ... a closed season from 1 April to 1 October 1989, to 20 November 1989. During this protected period ...

    Conservation Measure : 9/VI (1987)

  8. Conservation Measure Conservation Measure 41-10 (2007)

    of 65°S in the 2007/08 season shall not exceed a precautionary catch limit of 567 tonnes of which 20 ... species SSRUs C, D, F, G – 50 tonnes of skates and rays, 33 tonnes of Macrourus spp., 20 tonnes of other ... species in any SSRU SSRU E – 50 tonnes of skates and rays, 55 tonnes of Macrourus spp., 20 tonnes ...

    Conservation Measure : 41-10 (2007)

  9. Genetic variations and population structure of krill from the Prydz Bay region of Antarctic waters

    - 271 - SC-CAMLR-V/BG/35 GENETIC VARIATIONS ... YKa3hIBaIOT Ha KaKYIO-nH60 3HaqHTen hHYIO reTeporeHHOCT h BhrBOA, COOTBeTCTBYIDmHH npeAnono~eHHIO, qTO Bce ... AHTapKTHKH Ha aKBaTopHH pa3MepOM CBhllUe 6000 KB. KHnOMeTpOB, npoHcxoAHT OT OgHOH H TOH ~e 3aMKHYToH ... nonynHLtHH. npHMeQaHHe: nonHhlH TeKCT 3TOH pa60Thl ony6~HKoBaH nog BhllUeYKa3aHHhIM 3aronOBKOM B ~ypHane ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 271-273 : Author(s): MacDonald, C.M., R. Williams and M. Adams

  10. Survey design to estimate krill abundance during FIBEX

    . B aToH pa60Te onHCbIBaeTC51 nJIaHHpOBaHHe cbeMKH, HCnOJIb30BaHHoe B IOrO-BOCTOqHOM aTJIaHTHqeCKOM ... paHoHe HCCJIe,llOBaHH51 FIB EX. BbI60pKa BKJIIOQaJIa B ce651 HCnOJIb30BaHHe rH,lIpOaKycTHQeCKHX ... npH6opoB ,lIJI51 Ol..\eHKH QHCJIeHHOCTH KPHJI51, a TaK )Ke ,lIJI51 c60pa ,lIaHHbIX 0 pa3Mepe ... ..\HpOBaHHbIH MeTO,ll npOH3BOJIbHOH BbI60PKH. CbeMKa npOH3BO,llHJIaCb no ,lIByM aTanaM. Ha nepBoM aTane ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 253–263 : Author(s): Everson, I., I. Hampton and G.M. Jolly

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