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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. Changes in the fish biomass around Elephant Island (Subarea 48.1) from 1976 to 1996

    35 810 9 386-539 028 10 635 6 723-20 459 40 896 24 229-87 626 20 913 10 598-58 112 4 786 ... (cm) Length (cm) Length (cm) 5 10 15 20 25 30 35 40 45 50 55 Length (cm) Length (cm ... (cm) 10 20 30 40 50 60 70 Length (cm) 1976: no data 10 20 30 40 50 60 70 Length (cm) 10 20 ... 30 40 50 60 70 Length (cm) 10 20 30 40 50 60 70 Length (cm) 10 20 30 40 50 60 70 Length (cm ...

    Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 165–189 : Author(s): Kock, K.-H

  2. Krill (Euphausia superba) distribution in relation to water movement and phytoplankton distribution off the northern South Shetland Islands

    constant 78.9 dB * The level of the top depth integration range was changed to 20 m in order to avoid ... in shallow areas. Water samples were obtained from 11 depth levels (0, 10, 20, 30, 40, 50, 75, 100, 125, 150 ... and the depth range from 10 to 200 m or to the bottom if shallower. The top level of the integration depth, 10 ... m, was changed sometimes to 20 m in order to avoid impact of the surface noise. The default value of the target ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 123–140 : Author(s): Ichii, T., H. Ishii and M. Naganobu

  3. Catch per unit effort (CPUE) data from the early years of commercail krill fishing operations in the Atlantic sector of the Antarctic

    than 35 mm in the catches. File:  03siegel-etal.pdf ... several factors influence the representativeness of krill smaller than 35 mm in the catches. ... 12 10 15 20 25 30 35 40 45 50 55 60 65 Total length (mm) (f) Season 1985186 10 15 20 25 30 35 ... 40 45 50 55 60 65 Total length (mm) (g) Season 1987188 l 1 I 10 15 20 25 30 35 40 45 50 55 60 ... ; (b) from a scientific (IKMT) net sampling survey. Siege1 et al. 10 20 30 40 50 60 70 Total length ... (mm) 10 20 30 40 50 60 70 Total length (mm) Figure 5: Overall length-frequency distributions ...

    Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 31–50 : Author(s): Siegel, V., V. Sushin and U. Damm

  4. Intra-annual variability in the density of Antarctic krill (Euphausia superba) at South Georgia, 2002–2005: within-year variation provides a new framework for interpreting previous ‘annual’ estimates of krill density

    * 8 11 / 01 –0 3/ 04 / 05 32 0 20 1 35 –1 87 13 00 22 3 17 –2 09 9 04 / 04 –2 9/ 12 / 05 ... 60.0 13.0 May 18 23.2 53.5 10.1 19 19.3 47.9 7.7 20 16.0 43.3 5.9 21 13.4 39.4 4.5 Jun 22 ... 43 16.9 44.5 6.4 Nov 44 20.3 49.4 8.4 45 24.5 55.3 10.9 46 29.5 62.1 14.0 47 35.3 70.0 17.8 ... t; × – n o d at a ob ta in ed ; * – d at a ob ta in ed b et w ee n 20 / 11 / 20 05 a nd 20 / 12 ...

    Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 27–41 : Author(s): Saunders, R.A., A.S. Brierley, J.L. Watkins, K. Reid, E.J. Murphy, P. Enderlein and D.G. Bone

  5. A review of the diet and at-sea distribution of penguins breeding within the CAMLR Convention Area (submitted to the 2008 Joint CCAMLR-IWC Workshop)

    ) need to be stored in 70% alcohol or frozen at –20°C, but feathers, toenails, eggshell and bone ... in the rate of fix acquisition being c. 20 per day, which does not provide sufficient resolution ... and calculate the position (Trathan et al., 2008). This reduces TTFF to 60 ms, providing tracks of unrivalled ... ) conducted stomach flushing of 35 birds in autumn 1986 at Amanda Bay. Fish comprised 98.6% of diet by mass ...

    Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 75–114 : Author(s): Ratcliffe, N. and P. Trathan

  6. Otolith and body size relationships in bigeye grenadier (Macrourus holotrachys) in CCAMLR Subarea 48.3

    , Subarea 48.3 0 10 20 30 40 50 60 70 80 90 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5 0.55 ... in the text. 90 80 70 60 50 40 30 20 10 0 40 35 30 25 20 15 10 5 0 5.0 4.5 4.0 3.5 3.0 ... -6 L(t)2.93 (r2 = 0.8221, bottom). 0 10 20 30 40 50 60 70 80 90 10 15 20 25 30 35 40 Anal length ... 0.6 0.65 0.7 Otolith Weight (g) Fi sh T ot al L en gt h (c m ) 0 5 10 15 20 25 30 35 ...

    Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 133–143 : Author(s): Morley, S. and M. Belchier

  7. Age estimation and maturity of the ridge-scaled macrourid (Macrourus whitsoni) from the Ross Sea

    of the standard normal distribution R es id ua ls (b) 20 30 40 50 60 70 80 -2 -1 0 1 2 Fitted values ... –3 –2 –1 0 1 2 3 20 30 40 50 60 70 80 Fitted values Quantiles of the standard ... -3 -2 -1 0 1 2 3 -2 -1 0 1 2 Quantiles of the standard normal distribution R es id ua ls (b) 20 30 40 50 60 70 80 ... in the second reading. Males Females 0 10 20 30 40 50 60 ...

    Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 291–303 : Author(s): Marriott, P.M., M.J. Manning and P.L. Horn

  8. Comparison of two methods to assess fish losses due to depredation by killer whales and sperm whales on demersal longlines

    -depredated and depredated lines. When killer whales and sperm whales occurred separately, 575 ± 35 tonnes ... whales occurred separately, 575 ± 35 tonnes and 739 ± 87 tonnes of Patagonian toothfish ... occurred separately, 575 ± 35 tonnes and 739 ± 87 tonnes of Patagonian toothfish respectively were ... 60.5% of the number of fish by-caught on lines in this area (Gasco, 2010). If this proves true ... fishery operates year-round, but within the Crozet Islands EEZ, 35% of fishing activity occurs ... ranging from 35% to 65% (by number) in the absence of odontocetes to be able to estimate a change ...

    Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 1–14 : Author(s): Gasco, N., P. Tixier, G. Duhamel and C. Guinet

  9. Assessments of by-catch in trawl fisheries at Heard and McDonald Islands

    20-50 kg 50-100 kg >l00 kg 24 14 13 11 1 0 25 7 5 2 5 5 0 1 1 0 0 0 23 2 8 3 0 17 4 3 41 35 46 ... . n p n ~ e u a ~ e n b ~ o , YTO BxoAxuHe B npMnoB R M A ~ I CocTaBnxnH 60nbmym AOnKl YJIOBa (60JIbme 5%) B CnYYaSIX, KOrAa 6b1no ... BblnOBJIeHO TOnbKO ~e60nbmoe KOnHYeCTBO pb16 (Me~bme 100 K T IIpHnoBa), YTO O ~ ~ I Y H O CJIyYaJIOCb ... B XOAe pa3BeJ(blBaTenbHbIX pa60~. npllJI0~ O ~ ~ I Y H O COCTaBJlRn OYeHb HH3KyH) AOJIIO 06mer0 ...

    Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 231–243 : Author(s): Constable, A.J., R. Williams and W.K. de la Mare

  10. Phytoplankton distribution in the mixed layer: implication to krill abundance

    layer model. Four different wind speeds are used U1O=20, 10, 5, and 1 m S-1 (from the top to the bottom ... N e 0 1 2 3 4 0 1 2 3 4 0 0 10 10 20 20 30 30 40 40 /""'. E '--" 50 50 L +-' 0... ID 60 60 -0 70 70 80 80 ... ,...-.-. 20 E '--" ..c 25 -+-' 0.. ID ""0 30 35 40 45 50 Figure 8: Same as Figure ... 7 for simulation Case B. 4 0 5 10 15 20 ,...-.-. E . '--" 25 ..c -+-' 0.. ID 30 ""0 35 40 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 331–356 : Author(s): Yamazaki, H. and T.R. Osborn

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