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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. Seabird interactions with trawl and longline fisheries for Dissostichus eleginoides and Champsocephalus gunnari

    . A few birds (usually less than 20 black-browed albatrosses and giant petrels) would sit near the chute ... of birds would sit behind the propeller wash, about 80 m astern of the ship. From there birds would move ... ) will be proportionately greater. The global decline of the black-browed albatross population observed during the last 20 ... ^ Ostrovskogo Kerguelen Spring Capdeville D. eleginoides 33 31 Mar 1995 to 20 May 1995 ...

    Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 93–99 : Author(s): Williams, R. and D. Capdeville

  2. Preliminary results of investigations of the Federal Republic of Germany on Notothenia rossii marmorata (Fischer, 1885) in January/February 1985

    . Republic of Germany (.KOCK, 1978). ThP.y WP.re probahly r:ommerc.i.ally fished there in 1979/80 ... with a sr.1211 meshed liner of 20 mm (figs. 1,2). Total length of the spcci.mcn.s wDi:; 1nec1sured to Ll1e ... 2 2 4 40 1 2 3 41 3 3 42 2 6 8 43 1 1 6 17 44 7 4 1 1 45 7 13 20 46 10 21 I 2 33 47 6 27 ... ~otothenia rossii - Sou l.h Gc-orgia ....- JUephant Is. 20 JO ( n = ( n = 1 5Y0 ) 51 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 33-57 : Author(s): Kock, K.-H.

  3. Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald Islands using catch-at-age and aged mark-recapture data from the main trawl ground

    0. 02 89 0. 03 20 0. 02 99 0. 01 86 0. 02 80 0. 02 32 0. 01 99 0. 02 40 ... and recapture are given in Table 2. The number of age classes considered in the fit included 1 to 20 ... ) q was increased from 0.75 to 0.80. The results are shown in Table 3. When tag mortality rate was reduced from ... of the year fished, q, was increased from 0.75 to 0.80 with a similar value for the MLE of M compared ...

    Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 29–45 : Author(s): Candy, S.G., D.C. Welsford, T. Lamb, J.J. Verdouw and J.J. Hutchins

  4. Catch per unit effort and proportional recruitment indices from Japanese krill fishery data in Subarea 48.1

    with small sample sizes (i.e. less than 20 hauls per vessel per season) were not included. CPUE was defined ... , 20 4342 9.45 Elephant Island Area: 1986/87 7 2538-3910 * * 962 2.38 1994/95 4 2903 ... 290-707 13, 15, 18, 20 1815 4.20 Fishing Season Number of ships Ship size Net mouth area (m2 ... -3910 290-707 15, 20 1293 4.71 1983/84 7 2749-3608 360-550 304 0.30 1991/92 5 3058 ...

    Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 47–63 : Author(s): Kawaguchi, S., T. Ichii and M. Naganobu

  5. Significant intra-annual variability in krill distribution and abundance at South Georgia revealed by multiple acoustic surveys during 2000/01

    that in the eastern box (80.4 g m-2). Analysis of transect data obtained in the western box in the midseason survey ... was less than that in the eastern box (80.4 g m-2). Analysis of transect data obtained in the western box ... in the mid-season survey was less than that in the eastern box (80.4 g m-2). Analysis of transect data ... ponctuelle depuis le début des années 80). Nous espérions qu’en menant plusieurs campagnes en une même ... était moins importante dans la case ouest que dans la case est (80,4 g m-2). L’analyse des données des ... клетке по сравнению с восточной клеткой (80.4 г м-2). Анализ полученных в западной клетке в середине ...

    Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 71–82 : Author(s): Brierley, A.S., C. Goss, S.A. Grant, J.L. Watkins, K. Reid, M. Belchier, I. Everson, M.J. Jessop, V. Afanasyev and J. Robst

  6. Commercial fishing vessels as research vessels in the Antarctic – requirements and solutions exemplified with a new vessel

    freezers (~ –80°C), will also need to be considered. Adequate working space for data analysis is essen ... for a 20 ft container laboratory van would be sufficient for those sampling and scientific require- ments ... during survey operations. The vessel may at maximum accommodate 20 scientific crew on longer cruises ...

    Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 11–17 : Author(s): Godø, O.R., C. Reiss, V. Siegel, J.L. Watkins

  7. Results of Soviet investigations of the distribution and ecology of pelagic squids (Oegopsida) in the Southern Ocean

    €ce Brachioteuthis riisei. - 80 - Au cours des derni~res a.nnees (1978-1984), la collection s'est ... Convecgence, The length of the mantle is 80-115 cm. Mesopelagic fish from the families Myctophidae ... in the Southern Ocean. The length of the mantle is up to 20 cm. There are no data on the feeding habits ... 'S, 46°00 'E 39 17.3.1972 u 05o•s, Jl0 20'E 47 Unfortunately, no coordinates are g.i.ven ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 79-111 : Author(s): Lubimova, T.G.

  8. Observations of fishing operations on a krill trawler and distributional behaviour of krill off Wilkes Land during the 1985/86 season

    of operation in area H2 is divided into three decades; from mid-February to end-February (period I, 80 ... Net handling 13 20 16 14 15 Idling 0 0 0 15 4 Cargo work 3 7 7 12 22 Drifting 0 0 0 0 3 Searching ... ------~)I - - . . :; ~upper rope swarm Fig. 4. Chart of net recorder when the densest swarm was fished 20 tons of kri11 ... was caught in 14 min. of towing. Absolute density was estimated as 40 g/m3 20 t r-l V-;::l cO ::r: 15 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 335-368 : Author(s): Ichii, T.

  9. Seabird interactions with longlining operations for Dissostichus eleginoides at the South Sandwich Islands and South Georgia

    and Antarctic continent between 80°W and 20°W: their status and conservation. In: Croxall, J.P., P.G.H. Evans ... and polyethylene rope, to which were tied secondary lines 1.2 m long, made of Vinylon TwineTM #20. Eyeless hooks ... . Pieces of the squid Illex argentinus were used for bait, with roughly 20-30 g/hook. Although expensive ...

    Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 143–153 : Author(s): Ashford, J.R., J.P. Croxall, P.S. Rubilar and C.A. Moreno

  10. By-catch of fish in longline catches off the Kerguelen Islands (Division 58.5.1) during the 1995/96 season

    4: Geographical distribution and abundance (*no fish caught, 0.0 < catch < 10.0, 10.0 < catch < 20.0, @ > 20 ... < catch < 10.0, * 10.0 < catch < 20.0, A > 20.0 fish/longline/hour of fishing) of by-catches of Bathyvaja ... . By-catch of Fish in Longline Catches n = 199 Mean = 64.2 cm 3 0 35 4 0 45 5 0 5 5 60 65 7 0 75 80 85 ... fishing off the Kerguelen Islands. n female = 32 n female = 33 Mean = 89.2 cm Mean = 85.9 cm 70 80 ...

    Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 175–193 : Author(s): Duhamel, G., P. Pruvost and D. Capdeville

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