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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. Evaluating the impact of multi-year research catch limits on overfished toothfish populations

    to project stock in simulation 75 Reasonable upper bound for annual F 5.0 Tolerance for finding F ... 75-year projection time frame in the absence of fishing. With the biological parameters chosen ... ) Parameter set 1 945 10% 0, 15, 30, 45, 60, 75, 90 As per Table 1 2 893 15% " " 3 841 20% " " 4 782 ... 60 75 90 1 10 27 28 29 30 31 32 34 2 15 21 22 24 25 26 27 28 3 20 17 17 19* 20 21 22 23 4 25 15 16 ...

    Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 47–55 : Auteur(s): Welsford, D.C

  2. Annual changes in species composition and abundance of myctophid fish in the north of South Georgia (Subarea 48.3), Antarctica, during austral winters from 2002 to 2008

    20:10 75 53.835 36.222 100 162 Gn(1) 020817 391 21:20 55 53.683 36.170 120 - Gb(1)/Pt(4 ... ) 040809 325 18:10 75 53.782 36.353 140 305 Ea(1)/Gn(1) 040809 326 20:20 45 53.772 36.255 115 - Ea ... 580 18:00 75 53.512 36.713 120 802 Pt(11) 040903 582 22:45 50 53.537 36.758 115 832 Ea(2)/Gn ... :50 120 53.867 35.700 140 1037 Pc(1) 050723 618 12:40 75 53.817 35.950 300 415 Pb(3) 050723 ...

    Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 155–163 : Auteur(s): Iwami, T., M. Naganobu, K. Taki and M. Kiyota

  3. Fish stock assessment survey in Subarea 48.3

    28.70 39 16.40 284 30 73 7 2 13 8 54 16.00 39 0.00 245 15 74 7 2 16 25 54 9.50 39 14.00 223 30 75 7 2 ... 251 to 500 m Total CV(%) C. gunnari 3573 346 0 3919 75 C. aceratus 0 0 0 0 P. georgianus 0 15 0 15 ... CV% 1447 78 108653 31 54193 38 3919 75 37 73 15 62 609 10 267 39 117 34 I 408 17 1693 21 ... .,--. -V SJ '" V 1'-, ".~" '" , '. 011 .88 '-78 '", \ ,', If • 13 75. . . 74 13 ~ 78 ,--- eO 067 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 25–67 : Auteur(s): Everson, I., G. Parkes, K.-H. Kock, S. Campbell, Z. Cielniaszek and J. Szlakowski

  4. Preliminary appraisal of Antarctic fish selection by the 32/36 bottom trawl combined with various codends

    fish length for three main selectivity levels : 25, 50 and 75%, were determined graphically. In ... of the difference in cm between the mean length of fish for selectivity levels 75 and 25%; - 8 ... :; C3 "" ~ c: 75 .Cl -... 'N <... Cl ~ l.. 5. Cl.. 25 - 33 - . I I I ... -~ I c:: .C) --i::; I.. R 75+-----____j-------.. ----- ~ ~ IV 5 5 2 - --- South ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 1-48 : Auteur(s): Zaucha, J.

  5. A hybrid approach to acoustic classification and length estimation of krill

    . swarms), fi ltered for noise, within each subset (ni) was: n1 = 75; n2 = 52; n3 = 75; n4 = 49; n5 = 130 ...

    Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 33–58 : Auteur(s): Azzali, M., I. Leonori and G. Lanciani

  6. Selectivity parameters for Notothenia gibberifrons Lönnberg, 1905 and Champsocephalus gunnari Lönnberg, 1905 obtained during “8611 ANTARCTICA [ANTARTIDA]” expedition

    del 25% y del 75% estimado en Orcadas del Sur, deben tomarse como puramente teoricos, al haber sido ... 322 99 100 159 Rango de selecci6n (cm) 25% 15.9 17.9 17.5 15.4 75% 23.1 23.6 21.7 21.4 Numero ... maxima 75 78 82 79 76 numero de medidas 198 322 99 100 159 Rango de selecci6n (cm) 25% 21.9 17.8 15.6 ... 19.7 15.3 75% 25.1 22.3 27.1 22.9 24.2 Numero individuos en rango selecci6n 12606 112624 708 6145 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 87-105 : Auteur(s): Balguerías, E.

  7. Sensitivity investigation of the SDWBA Antarctic krill target strength model to fatness, material contrast and orientation

    Paper Title:  Sensitivity investigation of the SDWBA Antarctic krill target strength model to fatness, material contrast and orientation Abstract / Description:  The distorted-wave Born approximation model is recognised as state-of-the-art in predicting acoustic target strength (TS) from fluid-like

    Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 97–122 : Auteur(s): Calise, L. and G. Skaret

  8. A compilation of parameters for ecosystem dynamics models of the Scotia Sea – Antarctic Peninsula region

    Paper Title:  A compilation of parameters for ecosystem dynamics models of the Scotia Sea – Antarctic Peninsula region Abstract / Description:  Expansion of the krill fishery in the Scotia Sea–Antarctic Peninsula region beyond the current operational catch limit requires the development and

    Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 1–25 : Auteur(s): Hill, S.L., K. Reid, S.E. Thorpe, J. Hinke and G.M. Watters

  9. Simulation of recovery rates of fish stocks in the South Georgia and Kerguelen Islands areas

    .309 2 • 111 75 • 969 3,679 1':;:'90 4 "I 829 2.417 76 IQl:" 3.951 ..., . .. ~:. CI'.J 19 75 1988 10. 65 ... 18. 10 1 .85 19'7'7 10.62 1 · 19 16. 82 1. 75 1998 10. 46 1 · 16 16.97 1 .73 1 '7'99 10.38 1 15 ... . 12 28. 33 220.53 75. 40 70. 90 565. 47 43.62 41 .02 316. 12 32. 15 30. 24 235.34 36.31 34. 15 269 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 229-298 : Auteur(s): Hennemuth, R.C., K.D. Bisack and G. Duhamel

  10. Marine debris and fishing gear associated with seabirds at sub-Antarctic Marion island, 1996/97 and 1997/98: in relation to longline fishing activity

    from the fishing industry increased from 53% during 1996/97 to 75% during the 1997/98 season. The 27 ... . Biological Conservation, 75: 63-10. Cooper, J. and 0. Huyser. 1995. Records of entangled birds at Marion ... 1 3 0 (75%) 10.3 5 5 10 (25%) 3.4 40 13.8 Figure 1: An illustration of a 'rope ... ' (non-fishing) Fishery related 22% 33% 'Other' (non-fishing) 'Other' (non-fishing) 67% 75% Figure ...

    Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 85–96 : Auteur(s): Nel, D.C. and J.L. Nel

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