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  • 联合国2023年4月 印度北方邦人口数据 官方报告
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  1. Is the attempt to estimate the biomass of Antarctic fish from a multi-species survey appropriate for all targeted species? Notothenia rossii in the Atlantic Ocean sector – revisited

    . Kock, 1998, Table 4). In this paper it is argued that the patchy distribution of N. rossii has ... ., 1997) with a mouth opening of 18–22 m between the tips of the wings and a net height of 3–4 m in two ... of RV Polarstern around Elephant Island (Figure 3d) and the South Shetland Islands (Figure 4 ... Notothenia rossii from Potter Cove, South Shetland Islands. Ant. Sci., 4 (2): 131–136. Barrera-Oro, E.R ...

    Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 141–153 : Автор(ы): Kock, K.-H., M. Belchier and C.D. Jones

  2. Attribtuion of acoustic echoes to squid in the south Atlantic

    minimum, dB 38 4 1 .O 3.8 7.02 -100 0 - 75 120 4 1.0 1.2 9.10 -100 0 -75 Goss ... some squid in these nets suggests that Table 2: Haul data. Net 1 2 3 4 5 6 Date Time ... 0 0 4 5 0 6 Extensive net damage sustained Depth (m) Duration (Wunm) 210 - 300 ... MVBS (MVBS at Goss et al. -10 -7 -4 -1 2 5 8 11 14 17 20 Delta MVBS in dB -10 -7 -4 -1 2 5 8 ...

    Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 259–271 : Автор(ы): Goss, C., P. Rodhouse, J.L. Watkins and A.S. Brierley

  3. Diurnal variations in biological characteristics of krill, Euphausia superba Dana, to the west of the South Orkney Islands, 24 March to 18 June 1990 - based on data reported by a biologist-observer

    composition of males were much stronger than for females over periods from 0 to 2,2 to 4 and 6 to 8 hrs (the ... particular size intervals: 47 to 48 mm for Station I, 43 to 44 or 45 to 46 mm for Station VII (see Figure 4 ... during the night. 206 4. CONCLUSION The above data on changes in various demographic parameters ... net. 1. Crust. Bioi., 4 (Spec. No. 1): 45-66. HAMPTON, I. 1985. Abundance, distribution and ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 201–222 : Автор(ы): Vagin, A.V., R.R. Makarov and L.L. Menshenina

  4. Determination of Antarctic krill acoustic back-scattering cross-section

    independence of random values, where ao -4 - G ·ao (3) mean acoustic back-scattering section for the ... the echo sounder for a o b mean value of the standardized echo signal. -4 Knowing G and b, it is ... concentration (4) Using the methods suggested by Lozow (1979), the mean level of directivity for a narrow ... angle Q.n G4 min -!(7T~)2 em by substituting (6) into (5) we obtain -1 <;4 = G4min Q.n G4 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 141-152 : Автор(ы): Protaschuk, V.A. and T.A. Lukashova

  5. Krill (Euphausia superba) distribution in relation to water movement and phytoplankton distribution off the northern South Shetland Islands

    Islands (Leg II: 18 January to 4 February, 1991, Figure 2). 2.1 Physical Oceanography and Chlorophyll a ... transects (4-mile intervals). The fact that Leg II of the survey was carried out almost in the same area as ... curtain drogue (4 m x 1 m) deployed at 30 m depth in order to study flow patterns at this depth. 3 ... of Livingston Island (Figure 4). High gradients of Chl-a concentration were observed over the ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 123–140 : Автор(ы): Ichii, T., H. Ishii and M. Naganobu

  6. Possible effects of different levels of krill fishing on predators – some initial modelling attempts

    0.69 0.67 0.64 0.64 Age-at-First-Reproduction T (yr) 4 4 5 10 The va lues of t h e p ... projection period.) Figure 4 compares deterministic and stochastic results for each predator species ... 0 .02 .04 .06 .08 1 (ii) Y Figure 4: Plots of predator numbers (N) (normalised as in Figure 3 ... , . " ' :C: $ ,L'\ S . , > :". :,,. S . L,! , ,\-,.:*L; : Z S 8 % S 8 X,. 8 F; :1 8 Y 4 . 5 ...

    Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 79–97 : Автор(ы): Butterworth, D.S. and R.B. Thomson

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

    – 35 0 35 0– 40 0 40 0– 45 0 45 0– 50 0 T ot al s 1 53 43 0 0 0 0 0 0 0 0 4 4 8 2 53 42 0 0 1 ... 112 287 208 162 134 128 91 1 123 3 53 41 0 0 68 129 42 17 9 12 15 8 300 4 53.5 42 2 3 58 272 95 67 49 ... 30 14 25 615 5 53.5 41 4 19 1 023 776 434 143 103 87 58 58 2 705 6 53.5 40 0 0 33 59 76 69 84 110 135 ... 2 288 11 53.5 35 0 0 4 44 117 133 18 18 14 17 365 12 54 39 0 0 0 124 537 301 146 74 56 59 1 297 13 ...

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

  8. A composite recruitment index to describe interannual changes in the population structure of Antarctic krill at South Georgia

    (m2) 8 1 2 4 0.1 Max. nets/haul 1 3 1 9 9 60 25 2 1 Cruise JBlO JB1 1 JR03 JR06 JR1 1 JR17 ... 2 0 10 2 1 0 0 0 19 4 0 0 0 0 Total 17 21 6 15 23 13 23 Watkins MATERIALS AND ... for each year class in each cruise are shown in Table 4. Small l + krill were found in the 1995/96 ... numbers of 2+ krill in 1995/96,3+ krill in 1996/97 and 4+ krill in 1997/98 imply that the 1993/94 season ...

    Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 71–84 : Автор(ы): Watkins, J.L

  9. Significant intra-annual variability in krill distribution and abundance at South Georgia revealed by multiple acoustic surveys during 2000/01

    и ограничивались 4 разрезами в клетке к северо-западу от Южной Георгии. Специально проведенная ... между значениями средней плотности криля, полученными в результате проведения только 4 разрезов в ... density of one per 16.66 km. A new central box containing four transect pairs (width = 4 x 16.66 ... - ances) are given for each survey in Table 4. For the mid-season survey, the mean krill density in the ...

    Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 71–82 : Автор(ы): Brierley, A.S., C. Goss, S.A. Grant, J.L. Watkins, K. Reid, M. Belchier, I. Everson, M.J. Jessop, V. Afanasyev and J. Robst

  10. Age determination of Champsocephalus gunnari Lönnberg, 1905 (Channichthyidae) taken in the South Georgia area in 1990

    - 15.8 - - - 14.0 14.7 2 - 22.3 21.1 21.3 - 21.1 19.7 3 27.1 27.9 27.6 28.0 26.7 27.2 24.2 4 32.8 33.3 ... , February 1990. Age in Years Variations in Overall Length (cm) Number of Specimens 1+ 2+ 3+ 4+ 5 ... =21 cm. W=60 g. Age 2+years. 17 February 1990. Figure 4: Vertebrae of C. gunnari taken by RV ... Akademik Knipovich in the South Georgia area in February 1990. Female (9 Ill). TL=34 cm. W=250 g. Age 4 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 285–293 : Автор(ы): Kochkin, P.N.

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