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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. Standardization of fishing effort for Champsocephalus gunnari in the South Georgia area (Subarea 48.3)

    3.644EOOOO Type 5 9 8.724EOOOO Residuals 75 2.073EOOOl Total 103 1.190EOO02 Coefficient of multiple ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 327–336 : Author(s): Gasiukov, P.S.

  2. An iterative model to construct an age/length key to assess the age composition of a new fishery for Dissostichus eleginoides in Chilean waters

    .. " ~ 4 2 O~~~~~~~LLLLLL~~~~~ 45-4' 75-7' 101-lot 135-lst "S-I" ISI-It. .0 - ... to - ... 110 - 114 110 - 114 lto - 114 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 11–20 : Author(s): Robotham, V. H. and Z. Young U.

  3. A post-processing method to remove interference noise from acoustic data collected from Antarctic krill fishing vessels

    -frequency (24, 75, 200 kHz) KAIJO MEMO-2000 sonar and a 28 kHz JRC JFS-3380 sonar. All these devices were ... –1) 10.4 19.2 27.8 Two-way beam angle (dB) –20.6 –21.0 –21.0 Transducer gain (dB) 23.75 26.65 26.87 ... k H z. S ta tis tic al v al ue s ar e re pr es en te d by 2 5% qu ar til e/ m ed ia n/ 75 ...

    Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 17–30 : Author(s): Wang, X., J. Zhang and X. Zhao

  4. Protecting young fish and spawning aggregations of Champsocephalus gunnari in Subarea 48.3 (South Georgia): a review

    CCAMLR Science, Vol. 7 (2000): 75-86 PROTECTING YOUNG ... Scientific Papers, 1989 (SC-CAMLR-SSP/6). CCAMLR, Hobart, Australia: 69-75. Everson, I., A. Neyelov ...

    Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 75–86 : Author(s): Parkes, G.B

  5. A comparison between otoliths and scales for use in estimating the age of Dissostichus eleginoides from South Georgia

    CCAMLR Scicrzce, Vol. 8 (2001): 75-92 A COMPARISON ... acetate sheets (25 X 75 mm) were cut into slide-size strips, and impressions of the selected scales from ...

    Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 75–92 : Author(s): Ashford, J.R., S. Wischniowski, C. Jones, S. Bobko and I. Everson

  6. Characteristics of krill swarms from Prydz Bay

    ' ... ,," I ~ I I , , , ~ .... ,--\.,.. ... 1 I I , I. ,. , , .. , , \ \ -- -" 65 16 {,7 6& IO~====~====~==========~======~1 ==================T===============~~O 75 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 177–189 : Author(s): Agnew, D.J. and I.R. Higginbottom

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

    intermediate waters, the ‘core’ of which, on transect SSc, was observed in the 75–100 m layer in the south ... ng th (m ) 28 .9 29 .5 26 .3 33 .0 37 35 .0 28 .0 75 .0 18 .0 29 .0 a nd ... 21 27 (b) 0 5 10 15 20 25 30 0 0.75 1.75 2.75 3.75 4.75 5.75 Fr eq ue nc ... y, % Ln, 30 25 20 15 10 5 0 Fr eq ue nc y (% ) 0 0.75 1.75 2.75 ...

    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

  8. Spatial distribution of management measures, Antarctic krill catch and Southern Ocean bioregions: implications for conservation planning

    a basis for informing spatial management in the Convention Area (SC-CAMLR-XXVI, paragraph 3.75 ... shelves, Antarctic open ocean and unclassified bioregions together account for between 64% and 75 ... Front 36 58 0 5 Antarctic open ocean 31 72 0 6 Antarctic shelves 31 75 1.2 7 Antarctic shelf slope 17 ...

    Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 1–19 : Author(s): Grant, S.M., S.L. Hill and P.T. Fretwell

  9. Comparison of two methods to assess fish losses due to depredation by killer whales and sperm whales on demersal longlines

    , 1999), with more than 75% of longlines set subjected to inter- actions (Tixier et al., 2010 ... with more than 75% of all longline sets that are hauled off the Crozet Islands. With an estimated 30 ...

    Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 1–14 : Author(s): Gasco, N., P. Tixier, G. Duhamel and C. Guinet

  10. Assessments of by-catch in trawl fisheries at Heard and McDonald Islands

    at the end of 20 years of exploitation should be 75% of the pre-exploitation spawning biomass ... for the projections are shown in Table 6 and the results are shown in Table 7. The 75% escapement rule ...

    Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 231–243 : Author(s): Constable, A.J., R. Williams and W.K. de la Mare

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