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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. Preliminary report on biological observations and exploratory fishing data collected in the South Georgia area during the 1985/86 cruise of MT Carina

    and 60 mm) were used with a bottom trawl of 32 m head rope. Catch data were collected in 249 hauls using ... 60 mm mesh size outside the 12 nautical mile protected zone around South Georgia. Sampling tows ... determinations. The total catch with 60 mm mesh size codends was 1305.4 tons with a mean CPUE of 1822 kg/hour ... of C. gunnari were found with modes of 18 and 28 cm. The length range of C. aceratus was 25–72 cm. P. georgianus ... of C. aceratus was 25-72 cm. P. georgianus was represented by three length groups : 20-24, 32-41 and 42-56 cm ... C. aceratus etait de 25 a 72 cm. P. qeorqianus eta it represente par trois categories de longueurs: 20-24 ... fue de 25-72 cm. P. qeorqianus estuvo representado por tres grupos detamafio: 20-24, 32-41 Y 42-56 cm ... AJIHH Y C. aceratus 6bIJI 25-72 CM. P. qeorgianus 6bIJI npeACTaSJIeH TpeM5I pa3MepHbIMH rpynnaMH: 20 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 65-97 : Author(s): Kreft, K. and J. Szynaka

  2. Investigations of required sampling regimes for environmental parameters

    continuously or as daily maxima and minima would be sufficient to detect a 10 to 20% change in monthly mean log ... -transformed wind speed α of 0.05 and P of 0.9. File:  35-Agnew.pdf ... speed continuously or as daily maxima and minima would be sufficient to detect a 10 to 20% change ... 65 37 60 80 2"C 7 12 16 10 15 20 3°C 5 5 7 6 8 10 Table 3: Sample size required to detect ... 60 -c ~ - 50 "C Cl) Cl) c.. en 40 "C c: a: 30 E :l E 20 >< CU :1:E 10 ... O~~----~----~~-----.'--~---r~--~.-------.---~-'--------~ 5 10 15 20 25 30 35 days Figure 4: Daily wind speed by three hour sampling period for January 1985 ... be sufficient to detect a 10 to 20% change in monthly mean log-transformed wind speed a of 0.05 and P of 0.9 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 561–573 : Author(s): Agnew, D.J.

  3. Selectivity of commercial and research trawls in relation to krill

    RT 72/308 and an Isaacs-Kidd midwater research trawl (IKMT). The commercial trawl catches contained ... more large krill (35-58 mm) than catches of the research trawl (30-54 mm). The maximum difference ... catches made using the commercial RT 72/308 trawl are more accurate than those obtained using the IKMT ... 72/308 and an Isaacs-Kidd midwater research trawl (IKMT). The commercial trawl catches contained more ... This paper describes the results of fishing a single krill aggregation with a commercial trawl RT 72/308 ... and an Isaacs-Kidd midwater research trawl (IKMT). The commercial trawl catches contained more large krill (35 ... the commercial RT 72/308 trawl are more accurate than those obtained using the IKMT research trawl. The two ... krill par un chalut commercial de type RT 72/308 et un chalut pelagique de recherche Isaacs-Kidd (IKMT ...

    Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 161–169 : Author(s): Kasatkina, S.M

  4. Areas of seabed within selected depth ranges in the South-West Atlantic and Antarctic Peninsula regions of the Southern Ocean

    267758 72 56°00' 60°00 ' 20°00' 24°00' 0 100 104782 104782 Total for sub-area 0.1 99.9 847097 847388 ... ' 60°00' 29°30' 30°00' 0 100 13097 71 50°00' 56°00' 20°00' 26°00' 0 lOO 267758 72 56°00' 60°00' 20 ... °20' 59°30' 60°00' 2.2 8.7 44.6 44.6 956 957 2 62°00' 62°20' 58°30' 59°30' 91.6 2.9 3.7 1.8 1359 ... 1898 1898 5 62°20' 62°40' 58°30' 59°30' 9.5 2.7 3.2 84.5 1809 1898 6 62°20' 62°40' 59°30' 60°00 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 49-73 : Author(s): Everson, I.

  5. Characteristics of krill aggregations in the South Sandwich Islands subarea in January–February 2000

    2 g/m 0.2 g/m 0.02 g/m 240 220 200 180 160 140 120 100 80 60 40 20 0 60°38' S 59°35' 58 ... w l 72 / 30 8 V er ti ca l o pe ni ng (m ) 35 H or iz on ta l o pe ni ng b et w ee ... 2 2 2 2 51°S 52°S 53°S 54°S 55°S 56°S 57°S 58°S 59°S 60°S 61°S 200 g m-2 20 g m-2 2 g m-2 0.2 ... 120 100 80 60 40 20 0 59°32' S 57°59' 56°40' 55°08 ...

    Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 145–164 : Author(s): Kasatkina, S.M., A.P. Malyshko, V.N. Shnar and O.A. Berezhinsky

  6. Biomass, abundance and distribution of fish in the Kerguelen Islands EEZ (CCAMLR Statistical Division 58.5.1)

    20 years after the beginning of fish- ery. The first biomass estimates were produced from ... 69 70 71 72 73 °E South deep sea South ... shelf North shelf North deep sea Skiff Bank upper top Skiff Bank deep sea (a) 64 65 ... 66 67 68 69 70 71 72 73 ...

    Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 1–32 : Author(s): Duhamel, G. and M. Hautecoeur

  7. Effect of line sink rate on albatross mortality in the Patagonian toothfish longline fishery

    . Sink rates to 4 m depth were greatest with 35 m (0.44 m/s) and 50 m (0.33 m/s) between weights ... greatest with 35 m (0.44 m/s) and 50 m (0.33 m/s) between weights. For vessels using bird-scaring lines ... with 35 m (0.44 m/s) and 50 m (0.33 m/s) between weights. For vessels using bird-scaring lines ... & 4 m de profondeur a ete atteinte avec des lests places a 35 m (0,44m/s) et 50 m (0,33m/s) d'intervalle ... r n y 6 ~ ~ y 4 M 6 ~ n a c a ~ o i i B~ICOKOE npti HHTepsanax 35 M (0.44 M/c~K.) H 50 M (0.33 M/c~K.). Anx CygOB, IIpHMeHRWqHX IIOBOAQbI ... a intervalos de 35 m (0,44 m/s) y 50 m (0,33 m/s) entre si. Los barcos que utilizan lineas espantapajaros ...

    Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 133–150 : Author(s): Robertson, G.G

  8. By-catch of fish in the krill fishery

    13 500 600 50 60 25 1025 1.08 70 19 4 54 29 35 7 400 500 40 40 30 1745 1.83 71 20 4 54 14 35 18 250 ... 30 730 0.50 112 20 5 53 45 36 35 180 180 35 60 30 940 0.50 113 20 5 53 41 37 31 320 315 65 150 1535 ... 650 400 0 35 2030 2.00 57 1 2 60 25 46 20 125 130 20 50 230 0.75 58 1 2 60 23 45 59 150 600 30 110 ... 46 25 250 300 20 800 2050 1.67 71 8 2 60 23 46 16 1500 1500 1125 0.33 72 8 2 60 26 46 11 150 1500 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 381–401 : Author(s): Everson, I., A. Neyelov and Y.B. Permitin

  9. Midwater trawl catchability in relation to krill and possible ways of assessing gross catch

    through the trawl sides. Studies were based on the results of 250 hauls made with a 72/308 trawl ... were based on the results of 250 hauls made with a 72/308 trawl. Catchability was worked out ... of action of the trawl,g/m 70 60 50 20 10 o 0,6 9,4 18,1 26,8 35,S 44,2 53 3 concentration ... a rate of 9.2 to 13.3% and the 72/308 trawl rated between 20.1 and 27.7%. The levels ofkrill ... )mm a=60 (18) mm 0.2 0.2 0.2 Hexagonal a=lOO (20) mm a=80 (14) mm a=60 (11) mm 0.2 0.3 0.8 ... sides. Studies were based on the results of 250 hauls made with a 72/308 trawl. Catchability ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 87–113 : Author(s): Zimarev, Yu.V., S.M. Kasatkina and Yu.P. Frolov

  10. Target strength studies on Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea

    : TS 38 = 36.83Log TL(cm) –103.62 (N = 18); TS 120 = 34.75Log TL(cm) –84.20 (N = 19); TS 200 = 26.71Log ... TL(cm) –103.62 (N = 18); TS120 = 34.75Log TL(cm) –84.20 (N = 19); TS200 = 26.71Log TL(cm ... –60.47 0.23 –48.10 3.23 –44.25 1.58 –61.30 0.20 –42.64 1.88 –43.83 3.82 147.5 6.5 –63.00 0.32 –43.71 ... –54.67 0.35 –39.71 2.00 –39.91 2.67 188.3 12.6 –41.26 –38.60 2.69 –39.24 1.36 –54.33 2.82 –37.74 2.09 ... .3 6 L at . ( S) 73 .9 45 ° 73 .5 92 ° 74 .8 90 ° 75 .9 00 ° 73 .2 10 ° 74 .5 60 ° 72 .8 39 ° 72 ... h (m ) 59 26 46 46 55 56 46 34 56 72 40 28 60 09 45 46 49 99 M ea n sp ee ...

    Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 75–104 : Author(s): Azzali, M., I. Leonori, I. Biagiotti, A. De Felice, M. Angiolillo, M. Bottaro and M. Vacchi

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