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  • 《农业农村部:2025年全国农作物 耕种收综合机械化率达到75%》
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  • 《农业农村部:2025年全国农作物 耕种收综合机械化率达到75%》
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  1. Catch per unit effort and proportional recruitment indices from Japanese krill fishery data in Subarea 48.1

    542-707 15 5 0 0.08 1984/85 5 2538-3608 236-907 13, 15 75 7 1.04 1992/93 2 2903-3910 ... - e @e - 0 e - - L I I - 2 3 4 5 6 7 Annual Ice Cover lndex (10Gkm2-month) Annual Ice Cover lndex (10~km~-month) l - 0.75 - 0.5 ...

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

  2. Sources of variance in studies of krill population genetics

    re nt ia ti on B uc kl in e t a l., 1 99 7 75 m tD N A h ap lo ty pe s* 14 ... x 0.75 mm gel composed of 0.5 x MDE poly- acrylamide solution (FMC Bioproducts), 0.6 x TBE, 0.1% TEMED ...

    Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 107–116 : Author(s): Jarman, S.N. and S. Nicol

  3. Analyses of acoustic line-transect data from the waters around South Georgia: estimation of krill (Euphausia superba Dana) – biomass

    have used a mean target strength of -75 dB to estimate the biomass of krill in this region. The mean ... 8 2 8.10 37.424 9157.8 49174.5 9 3 6.75 1.702 9260.7 55548.0 10 2 13.29 176.730 9260.7 82074.8 11 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 225–243 : Author(s): Murphy, E., I. Everson and A. Murray

  4. Natural mortality rate in the mackerel icefish (Champsocephalus gunnari) around South Georgia

    is about 75% (M = 0.29) for age classes 3 and 4 but declines with increasing age to 60% (M = 0.51 ...

    Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 245–257 : Author(s): Everson, I

  5. Spawning locations of mackerel icefish at South Georgia

    ~a/~rs guizrznri in Subarea 48.3 (South Georgia): a review. CCAMLR Scierzce, 7: 75-86. Permitin ...

    Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 107–118 : Author(s): Everson, I., A.W. North, A. Paul, R. Cooper, N.C. McWilliam and K.-H. Kock

  6. Validation of sink rates of longlines measured using two different methods

    . For fast-sinking lines a difference of 5 s can make a 7% difference to the sink rate (e.g. 75 s over 20 ...

    Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 179–187 : Author(s): Wienecke, B. and G. Robertson

  7. Characteristics of seasonal variation in diurnal vertical migration and aggregation of Antarctic krill (Euphausia superba) in the Scotia Sea, using Japanese fishery data

    1). The range of average trawling depth in February and July in SO was signifi cantly greater (75–83 m) than ...

    Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 163–172 : Author(s): Taki, K., T. Hayashi and M. Naganobu

  8. Revised age and growth estimates for Antarctic starry skate (Amblyraja georgiana) from the Ross Sea

    1). A cluster of outliers with positive residuals, centred on about 75 cm and 18 years, was apparent for both ...

    Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 211–220 : Author(s): Francis, M.P. and M.J. Gallagher

  9. Krill distribution in the western Atlantic sector of the Southern Ocean during 1983/84, 1984/85 and 1987/88 based on the results of Soviet mesoscale surveys conducted using an Isaacs-Kidd midwater trawl

    at intermediate depths of 75, 50 and 25 m. In the absence of a heavy swell, the trawl was then towed ...

    Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 59–70 : Author(s): Sushin, V.A. and K.E. Shulgovsky

  10. Guidelines for the preparation of hydroacoustic survey reports on krill

    _L_ '..22 ~ r- I I I I I I I Ill/ {Of I I I 't I • I M 0 15.02 60° I I 75 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 165-193 : Author(s): Kalikhman, I.L.

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