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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. Preliminary assessment of mackerel icefish, Champsocephalus gunnari, in the vicinity of Heard Island and McDonald Islands (Division 58.5.2), based on a survey in May–June 2006 using the Generalised Yield Model

    of yield for the area of Division 58.5.2 to the west of 79°20’ E using standard CCAMLR methods. A lack ... an estimated 80% of the biomass present during the survey, are unlikely to be available to the fishery next ... of Division 58.5.2 to the west of 79°20’ E using standard CCAMLR methods. A lack of evidence of strong year ... that set in 2005. Taking into account the fact that the 4+ year class, which contributed an estimated 80 ...

    Meeting Document : WG-FSA-06/43 Rev. 1 : Author(s): D.C. Welsford (Australia)

  2. Rajid by-catch in the longline fishery for toothfish in Subarea 48.3

    Rocks and South Georgia, achieved average catch rates of over 1 ray/thousand hooks, and 20-30 rays ... -69cm for males and 80-84cm for females, for B. murrayi was 65-69cm and 70-74cm for males and females ... and South Georgia, achieved average catch rates of over 1 ray/thousand hooks, and 20-30 rays/ thousand ... -69cm for males and 80-84cm for females, for B. murrayi was 65-69cm and 70-74cm for males and females ...

    Meeting Document : WG-FSA-99/40 : Author(s): D.J. Agnew, J. Taylor and I. Everson (United Kingdom)

  3. Fishes incidentally caught by Japanese Antarctic krill commercial fishery to the north of the South Shetland Islands in February 1997

    by F/V Niitaka Maru were made from 1 to 23 February, 1997 to the north of the South Shetland Islands. Among 80 ... value was 20 to 380 ind./t. The present by-catch data did not provide clear relationship between ... were made from 1 to 23 February, 1997 to the north of the South Shetland Islands. Among 80 hauls ... was the most abundant. This species was found in 12 hauls, and its estimated value was 20 to 380 ind ...

    Meeting Document : WG-EMM-97/72 : Author(s): Iwami, T., Ichii, T., Naganobu, M., Kawaguchi, S.

  4. Assessing data requirements for tag-based estimates of local biomass in data-poor and exploratory fisheries

    of achieving the same level of accuracy to 80%, a minimum of 20 tagged fish recaptures were required when ... the same level of accuracy to 80%, a minimum of 20 tagged fish recaptures were required when approximately ...

    Meeting Document : WG-SAM-17/13 : Author(s): L. Robinson, P. Burch and K. Reid

  5. Results of E.L. Holmberg 1995 fish survey in Subarea 48.3

    Abstract:  The survey comprised 48 bottom trawl hauls taken in subarea 48.3. About 80 ... comparison between both cruises. Of these, 20 hauls were located at less than 0.5 miles and 11 between 0.5 ... The survey comprised 48 bottom trawl hauls taken in subarea 48.3. About 80% of the hauls were ... between both cruises. Of these, 20 hauls were located at less than 0.5 miles and 11 between 0.5 and 1.0 ...

    Meeting Document : WG-FSA-95/35 : Author(s): Marschoff, E., Madirolas, A., Balestrini, C., Tossonotto, G., Gonzalez, B., Calcagno, J.

  6. Growth per molt of male snow crab Chionoecetes opilio from Conception and Bonavista Bays, Newfoundland

    that 20 of these had molted once while the remainder molted twice. Two lines of evidence support ... range 80-110 mm carapace width, the predicted size after molting in mm is equal to 7.398 + 1.038 x pre ... had usable information on growth increments. Based on the amount of growth, we hypothesized that 20 ... range 80-110 mm carapace width, the predicted size after molting in mm is equal to 7.398 + 1.038 x pre ...

    Meeting Document : WS-CRAB-93/12 : Author(s): D.M. Taylor and J.M. Hoenig (USA)

  7. Report on the effectiveness of integrated weight (fast sinking) longlines in reducing the mortality of white-chinned petrels and sooty shearwaters in autoline longline fisheries

    ) and sooty shearwaters (Puffinus griseus) killed by unweighted longlines (UW; mean sink rate to 20 m depth ... or lines by counting dead birds during line hauling. In 2002 80 white-chinned petrels were caught on UW ... shearwaters (Puffinus griseus) killed by unweighted longlines (UW; mean sink rate to 20 m depth: 0.11 ... or lines by counting dead birds during line hauling. In 2002 80 white-chinned petrels were caught on UW ...

    Meeting Document : WG-FSA-04/72 : Author(s): G. Robertson (Australia), N. Smith (New Zealand), B. Wienecke and S. Candy (Australia)

  8. Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Bird Island, South Georgia during the 2000 winter and the 2000/01 breeding season

    ) are reported here. The number of entanglements showed an increase from recent years, with 20 entanglements ... , most individuals observed entangled in debris were juveniles (80% of winter and 68% of summer ... . The number of entanglements showed an increase from recent years, with 20 entanglements reported over winter ... in debris were juveniles (80% of winter and 68% of summer observations). Of those entanglements where ...

    Meeting Document : SC-CAMLR-XX/BG/03 : Author(s): Delegation of the United Kingdom

  9. Linking predator and prey behaviour: contrasts between Antarctic fur seals and macaroni penguins at South Georgia

    surveys was low during summer, increasing in autumn. During the breeding season, krill occurred in 80 ... proportion of fish in over 20 years of routine monitoring (46% by mass; particularly the myctophid Electrona ... surveys was low during summer, increasing in autumn. During the breeding season, krill occurred in 80 ... proportion of fish in over 20 years of routine monitoring (46% by mass; particularly the myctophid Electrona ...

    Meeting Document : WG-EMM-10/P07 : Author(s): C.M. Waluda, M.A. Collins, A.D. Black, I.J. Staniland and P.N. Trathan

  10. A descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in the Ross Sea up to 2005/06

    20% of the recaptures could not be matched to a release observation, mainly because of missing ... . However, the majority (>80%) Antarctic toothfish have moved less than 50 km. In 2006, New Zealand ... , recapture rates have tended to be higher in the northern and eastern SSRUs 88.1C and 88.2E. About 20 ... (>80%) Antarctic toothfish have moved less than 50 km. In 2006, New Zealand vessels greatly ...

    Meeting Document : WG-FSA-SAM-06/09 : Author(s): A. Dunn and S.M. Hanchet (New Zealand)

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