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  • 近5年全国县域经济总量占全国GDP的比例
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  • 近5年全国县域经济总量占全国GDP的比例

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  1. Trends in relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps at Potter Cove, South Shetland Islands, after commercial fishing in the area

    poissons demersaux des sites c6tiers des iles Shetland du Sud s'est poursuivi a l'anse Potter de 1991 5 ... South Georgia was estimated to be less than 5% of the original stock size in 1969 (Kock, 1992). Since ... ; outer mesh 12 cm) were set on the bottom at depths from 5 to 50 m. Soak time ranged from 6 to 96 hours ... 48.1). In: Selected Scientific Papers, 1988 (SC-CAMLR-SSP/5), Part 11. CCAMLR, Hobart, Australia: 143 ...

    Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 43–52 : Author(s): Barrera-Oro, E.R., E.R. Marschoff and R.J. Casaux

  2. Performance and geometry of the FP-120 trawl used during UK fish stock assessment surveys around South Georgia, Subarea 48.3

    equipment may be of the order of only 5 to 10% of the total survey budget. However, around South Georgia ... 34 " West Figure 1: South Georgia and Shag Rocks. successful sampling, such as a small or 5, = g ... the trawl. A standard profile (Figure 5) shows decreasing headline height as the trawl sank to the ... :59:10 14:01:50 14:04:30 14:07:10 \ Time [ --- Horizontal Opening - - - Headline Height Figure 5 ...

    Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 51–69 : Author(s): Pilling, G. and G. Parkes

  3. Analysis of results from demersal fish surveys at South Georgia, undertaken by the United Kingdom and the USSR, January and February 1990

    the net was estimated to vary from 20 to 22.m and the headline height from 5 to 6.5 m. All hauls ... effects. A few hauls were made at 4 or even 5 knots and it was questioned whether the net would have ... at the same location. Akademik Knipovich had only two hauls of this species greater than 100 kg. 5 ... % The different systems of stratification do not change the results by more than 5 or 10%. These ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 223–254 : Author(s): (Report of a Joint UK/USSR Workshop, 23 to 27 July 1990)

  4. Intra-annual variability in the density of Antarctic krill (Euphausia superba) at South Georgia, 2002–2005: within-year variation provides a new framework for interpreting previous ‘annual’ estimates of krill density

    × 13 34 22 7 21 –2 13 × 5 14 / 01 –2 4/ 03 / 04 30 0 19 8 32 –1 84 × 13 00 22 6 20 –2 12 ... s tr en gt h at 3 00 k H z (A D C P) a nd 12 5 kH z (W C P) . V al ue s w ... ng th (m m ) (= n) M ea n T S 30 0 kH z (d B k g– 1 ) M ea n T S 12 5 kH z (d ... B k g– 1 ) 1 09 / 10 / 02 –1 9/ 02 / 03 50 .5 (1 51 1) –4 3. 59 –4 4. 82 ...

    Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 27–41 : Author(s): Saunders, R.A., A.S. Brierley, J.L. Watkins, K. Reid, E.J. Murphy, P. Enderlein and D.G. Bone

  5. A potential feedback approach to ecosystem-based management: Model Predictive Control of the Antarctic krill fishery

    ]T Constraint probability pX = 0.9 Mean steady state harvested species biomass ( ) ( )1, 2,, 5 ... u k B B B B B B k  (5) ( ), 1 , ,1 ui k i i k i i kK K Kα α+ = + - , ( ) ( )( )22 2, ~ , 1 ... narrower dispersion and only 0% and 3% respectively of trajectories falling below the 60% LRP (Figure 5 ... ) >0.95 (i.e. it allows no more than 5% probability of biomass falling below the LRP), the Hill and ...

    Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 119–137 : Author(s): Hill, S.L. and M. Cannon

  6. A generalised model for evaluating yield and the long-term status of fish stocks under conditions of uncertainty

    specifient unelimite relative 5 la probabilite que la biomasse du stock reproducteur soit epuisee au-del2 ... taken over one year is calculated by simultaneous numerical integration of equations 1, 5 and 6 using ... from equation 5. The proportion of each age class that is able to spawn at time t during the year is ... trajectories. 5, and gE are used to designate the medians of the distribution of the values obtained for S6 ...

    Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 31–54 : Author(s): Constable, A. and W.K. de la Mare

  7. Myctophids in the diet of Antarctic predators

    only for Macquarie Island (Annex, Table 5, Hindell 1988a). The diet of this species contained only a ... of fish. 5. CONCLUSION (i) Most of the data on myctophids in the diet of Antarctic predators came ... , 22(5): 221. KOZLOV, A.N., LA. PINSKAYA, S.G. PODRAZHANSKAYA, and M.L TARVERDIYEVA. 1988 ... Ikhtiologii, Vol. 28, Issue 5: 802-811. LACOCK, G.D., T. HECHT and N. KLAGES. 1984. The winter diet of ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 335–368 : Author(s): Sabourenkov, E.

  8. Volume 1: CCAMLR. 1990. Statistical Bulletin, Vol. 1 (1970–1979). CCAMLR, Hobart, Australia.

    Table 1.6 Section B Table 2 Table 3 Figure 4 Table 4 Figure 5 Table 5 Table 6 Table 7 ... .................................................... . STATLANT A data 1 3 5 7 8 9 10 1 1 1 2 Total catch in the Convention Area by species and split ... of effort. 2.11 For Fine-Scale data catch and effort is reported for small areas of .5° latitude by ... Capture totale dans la Zone de la Convention 1 3 5 7 8 9 1 0 1 1 12 par espece et annee ...

    Document : Site Section: Publications

  9. Conservation Measure Conservation Measure 41-02 (2009)

    Management Area C: 2 100 tonnes in each season. Season 5. For the purpose of the longline fishery for ... location at least 5 n miles1 distant. The fishing vessel shall not return to any point within 5 n miles ...

    Conservation Measure : 41-02 (2009)

  10. Conservation Measure Conservation Measure 42-02 (2010)

    specified minimum legal total length, the fishing vessel shall move to another fishing location at least 5 ... n miles distant1. The fishing vessel shall not return to any point within 5 n miles of the ... minimum legal total length shall be 240 mm. 5. Season 6. For the purpose of the trawl fishery ...

    Conservation Measure : 42-02 (2010)

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