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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. A review of data on abundance, trends in abundance, habitat use and diet of ice-breeding seals in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop)

    ), but nonetheless speculated about a circumpo- lar population of crabeater seals of between 50 and 75 million ...

    Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 49–74 : Author(s): Southwell, C., J. Bengtson, M. Bester, A.S. Blix, H. Bornemann, P. Boveng and M. Cameron, J. Forcada, J. Laake, E. Nordøy, J. Plötz, T. Rogers, D. Southwell, D. Steinhage, B.S. Stewart and P. Trathan

  2. Hook selectivity in the longline fishery of Dissostichus eleginoides (Nototheniidae) off the Chilean coast

    4 X 44 99.5 5 45.1 90.4 6 60.8 75.1 B. Source Sum-of-Squares df Mean-Square F-Ratio P Region ... 75.9 2001 to 3 000 3 72 - 131 97.0 4 75 - 133 95.4 113 O°r-__ ~96 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 107–119 : Author(s): Moreno, C.A.

  3. Revised estimates of the area of the South Georgia and Shag Rocks shelf (CCAMLR Subarea 48.3)

    178 125 82 894 8 53.5 38 16 126 389 813 354 270 186 144 60 36 2 394 9 53.5 37 75 141 1 193 633 296 378 ...

    Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 167–175 : Author(s): Belchier, M. and P. Fretwell

  4. Analysis of haul data from the South Georgia krill fishery

    to a second bank 75 km to the west. Towards the end of the season (Figures 4c and d) the fishery spread ... to the bank (and another similar bank 75 km to the west) through the early part of the season (Figures 4a ...

    Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 9–30 : Author(s): Trathan, P.N., I. Everson, E.J. Murphy and G.B. Parkes

  5. Changes in the fish biomass around Elephant Island (Subarea 48.1) from 1976 to 1996

    Stratum 51-200 m 0.17 0.03-0.48 0 0.6 0.2-1.03 0.9 0.3-17 101-500 m 170* 75-754 138 ... * 67-391 94 43-309 170 127-284 533 317-1 115 181 131-280 Total 170 75-754 138 67 ...

    Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 165–189 : Author(s): Kock, K.-H

  6. Biomass of myctophids in the Atlantic sector of the Southern Ocean as estimated by acoustic surveys

    "in situ" between myctophid size and target strength at 38 kHz: TS = 25.2lgL- 75.0 (6) and the length ... of salps and medusas. South of 53°S the proportion of E. carlsbergi was less (60 to 75%). Of other ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 417–431 : Author(s): Filin, A.A., K.V. Gorchinsky and V.M. Kiseleva

  7. Chilean krill fishery: analysis of the 1991 season

    --- --..-... E ---- 75 .c c.. 70 ID "'0 :::J 65 _._-- - ~ .c ID 60 - O'l ~ ~ 55 -ID ~ 50 ---- 45 40 1 5 10 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 273–287 : Author(s): Marín, V.H., A. Mujica and P. Eberhard

  8. Krill population biology during the 1991 Chilean Antarctic krill fishery

    AREAB 75 07:00 15.03.91 60°51,2' 55°35,2' 2.60 45 82 18:15 15.03.91 60°50,7' 55°34,7' 2.20 50 90 07 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 223–235 : Author(s): Mujica R., A., E. Acuña S. and A. Rivera O.

  9. Trawl bag selectivity in the Champsocephalus gunnari fishery

    339 11 06.00 60 1500 62 28 340 " 09.00 60 900 75 29 341 11 11.30 58 1300 77 Total: 29 1269 41070 ... - - - - - - - - - - 21 1 75.0 - 23.0 - 18 - 0.623 20 - 22 - - - - - - - - - - 23 - - - - - - - - - - 24 2 101.5 2.1 35.0 ... 0.0 29.0 1.4 0.560 75.0 7.1 25 9 101.1 6.2 35.4 4.0 28.9 3.6 0.578 87.6 22.9 26 44 107.8 6.4 37.8 ... 59 - 28 157656 42.75 Mesh size in codend (mm) - 80.1. Mesh size in cover (mm) - 35.2 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 295–312 : Author(s): Bidenko, V.G. and I.G. Istomin

  10. Size at sexual maturity of Patagonian toothfish (Dissostichus eleginoides)

    are consistent with an LmsO value of between 75 and 80 cm. The only exception to this is from the July 1996 ... 79.0 75.2 67.8 80.6 79.0 74.9 The results for female fish are plotted in Figure 3 along ... meeting (Lm50= 75.73) (SC-CAMLR, 1997), although it is outside that from the combined analysis reported ...

    Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 37–46 : Author(s): Everson, I. and A.W. Murray

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