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  • 20世纪80年代初 首次提出“政企分开”的概念。民航北京管理处顺应时代要求,实行重大体制改革,组建了中国民航北京管理局、中国国际航空公司和北京首都机场
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  • 20世纪80年代初 首次提出“政企分开”的概念。民航北京管理处顺应时代要求,实行重大体制改革,组建了中国民航北京管理局、中国国际航空公司和北京首都机场
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  1. Distribution and relative abundance of Antarctic toothfish (Dissostichus mawsoni) on the Ross Sea shelf

    the total catch of almost 19 000 tonnes, about 20% has been taken from the northern ground SSRUs ... 2 9 0.0 0.00 2.87 2006 2 88 337.4 3.83 0.57 2007 2 80 205.8 2.57 0.72 2008 31 171 383.6 2.24 0.70 ... be slightly larger, ranging mainly from about 70 to 135 cm (Figure 7). There was a mode at 80 cm in ... modes at 80 cm and 100–115 cm in each of the three years. For com- parison, the size distribution of ...

    Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 33–51 : Автор(ы): Hanchet, S.M., S. Mormede and A. Dunn

  2. Use of indices of predator status and performance in CCAMLR fishery management

    of likely operational constraints on fisheries. File:  20-Croxall.pdf ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 353–365 : Автор(ы): Croxall, J.P.

  3. A simulation study of the method of deriving natural mortality rate using data for Champsocephalus gunnari in Subarea 48.3

    , -0.030] : -0.062 -0.047 [-0.177 ; 0.009] 80 , 60 ~il=:1,0 40 20 i I - 0,4 -0,3 - 0,2 - 0,1 ... standardised effort. Year Total catch Effort 80/81 29464 14142 81/82 47454 7182 82/83 131576 20420 83/84 ... 0,1 0, 2 1""00 M =:. 0, 72 40- 2CJ I ~ - 0,2 -0,1 60 0,1 0, 2 r-r- . 401- ~ 20 ... ,- ~ , ~ - 0,2 - 0,1 0, 1 OJ 2 60 r--- M=-4 8 40- ~ 20- ~ .r-;' t----:-t - 0,2 0,1 60 0,1 0, 2 40 M ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 69–83 : Автор(ы): Gasyukov, P.S. and R.S. Dorovskikh

  4. Book review: Fish and Fish Resources of the Antarctic

    Antarctic waters only just over 80 meso- and bathypelagic species (30 families) have been recorded. The ... fisheries data of the USSR and other countries, as well as CCAMLR sources, the author identified about 20 ... approximately 4% of the 80 recorded meso- and bathypelagic species in Antarctic waters. Among neritic species ...

    Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 165–168 : Автор(ы): Shust, K.V

  5. Size and density of krill layers fished by a Japanese trawler in the waters north of Livingston Island in January 1988

    10 20 30 40 50 60 70 80 NET V 0 L U MED ENS IT Y ( g. m-3 ) Figure 3: Frequency distributions of ... -operative survey between RV Kaiyo Maru and a Japanese trawler was conducted from 17 to 20 January 1988 on ... IJl ~ o I- u... o o z 20 15 10 5 o 20 IJl 15 ~ o I- u... o 10 o z 5 ... o o o a b c 1 2 3 4 5 6 7 TOWED LAYER' LENGTH(Km) I 5 10 15 20 25 THICKNESS(m) 1 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 339–345 : Автор(ы): Endo, Y. and Y. Shimadzu

  6. Long-term trends in the foraging patterns of female Antarctic fur seals at South Georgia

    number of feeding trips, with 1979 being the year with the fewest trips made during the entire 20 year ... feeding trips, with 1979 being the year with the fewest trips made during the entire 20 year period ... voyages ont ete les moins nombreux sur la periode de 20 ans. Sous presse dans Sahrhage, D. (ed ... viajes hechos durante todo el periodo de 20 anos. En prensa en: Sahrhage, D. (ed). Antarctic Ocean and ... 3TOM 1979 reA OKa3anCH rOAoM, KorAa 6bInO cAenaHo HaWMeHbwee KOnWqeCTBO BhlxoAoB 3a BeCb 20-neTHwfI ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 441-443 : Автор(ы): Bengtson, J.L.

  7. The choice of procedure for deciding when to close fisheries regulated by CCAMLR: a simulation model

    ; and • when the cumulative catch is 90% (Conservation Measure 17/VIII) or 80% (Conservation Measure ... d=5 eVd = 0.5 a. = 0.5 A= 80 L=O.S (coefficient of variation, slightly lower than CV of catch ... than the TAC+1O%, and were calculated from 20 x 400 iterations of the simulation. Mean over-shoot ... +-, _""---'-, _....---..,-_-.-----.,_--,-. _~,--..::;::. ~L'i"=-, ---,-E--j 40 50 60 70 80 90 "10 of T AC required for a decision Figure 4: Model 1 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 81–97 : Автор(ы): Agnew, D.J.

  8. Acoustic data analysis and models of krill spatial distribution

    wavenumber spectrum resembles a white noise at scales of 2-20 km, although at scales smaller than 1 km the ... spectrum resembles a white noise at scales of 2-20 km, although at scales smaller than 1 .km the spectrum ... spectre a ondes ressemble a un son blanc aux echelles de 2 a 20 km, mais aux echelles inferieures a 1 km ... KPHJI$l. B .l{Hana30He 2-20 KM cneKTp BOJIHOBbIX q,flceJI HanOMHHaeT OeJIbIM llIYM, XOT$l B .l ... . A escalas de 2-20 km, el espectro del numero de ondas se parece a un ruido blanco, aunque a ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 311–329 : Автор(ы): Morin, A., A. Okubo and K. Kawasaki

  9. Attribtuion of acoustic echoes to squid in the south Atlantic

    02:lO 25 12:lO 2 0 01:30 100 02:25 130 01:45 80 00:30 20 01:55 150 01:30 60 ... fourth daytime haul was towed at 130 m, 80 m and 20 m, but all of these sections of the haul were ... was calibrated using three sizes of copper sphere suspended around 20 m below the ship's hull in ... 00:45 20 02:OO 70 - 100 02:lO Mautialia hyallesi 0 2 310 30 28 7 36 0 50 ...

    Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 259–271 : Автор(ы): Goss, C., P. Rodhouse, J.L. Watkins and A.S. Brierley

  10. Measurements of differences in the target strength of Antarctic krill (Euphausia superba) swarms at 38 kHz and 120 kHz

    . Research ship Africana. Spec. Rep. Sea Fish. Res. Inst. S, Afr. 3: 80. BIOMASS. 1986. BIOMASS Report 40 ... Mean 6.9 470 -63.2 -64.8 -1.6 (Noise) 80 - I " , - -- I I ...L. " ~i :~ I ~t ... ~ Z 30 « o "" ~ ~ 20 Z 10 .' . -I, - A9880 /' 1\ --- A9885 1\ •••• A9891 ... "" ~ ~ 20 Z • " f\ / , , , / , , , , , , , / , / , _.J , , , , / / / , , , , A 11 " I, I ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 75–86 : Автор(ы): Hampton, I.

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