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

    a fl uid sphere (Johnson, 1977): 44 2 / / 42 / 1/4 4 / 4 / /2 / 1.5 ; 1 1.5 1 ; 1 1.5 1 ... asymptotic limits of Δfj / fi are: if 42 /1.5 1; r m fj fif k a then 4 /fj fi rfΔ ≈ if 42 4 /1.5 ... ; r m fj fi rf k a f then / 1fj fiΔ ≈ if 42 4 / r1 1.5 ; r m fj fif k a f then 42 / //1.5fj fi ... approximately the input/output values: 1 2 44 1 1 2 4 44 2 2 1.5 , 1 2; 1.5 , 2 1 m r r r m r r a k f a ...

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

  2. Results of fish larvae sampling by means of fine-meshed samplers attached to a bottom trawl

    positions: A - 4 m from the headrope on the first segment of the trawl belly; C - 12 m from the headrope on ... standard lengths were recorded. Samples were preserved in 4% formaldehyde or 70% methanol buffered with ... samples taken during the period 4 February-5 March 1986. In the bottom samples collected during this ... the Cumberland East Bay of South Georgia during 4-14 January 1987 suggested that most fish larvae in ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 69-86 : Автор(ы): Ślósarczyk, W. and I. Wójcik

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

    considered: baleen whales, seals, pen- guins and fi sh. Each of these groups is composed Hill et al. 4 ... given in Tables 3 and 4. Krill mean mass The mean body mass of individual krill caught in nets ... : the costs of reproduction and implications for life-histories. J. Anim. Ecol., 64 (4): 505–518 ... -CAMLR-XXI), Annex 4, Appendix D. CCAMLR, Hobart, Australia: 203–280. SC-CAMLR. 2005. Report of the ...

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

  4. Estimating optimal observer coverage in the Antarctic krill fishery

    2008. Data availability A total of 4 009 hauls have been observed on vessels fishing around South ... y VAR z VAR y y VAR y (4) 1 11SE z y SE y . (5) The coefficient of variation for z was derived ... -3 2002-4 2002-5 2002-6 2002-7 2002-8 Years included in model V ar ia nc e ra tio b et w ee ... A cr ux 20 02 35 4 C hi yo M ar u N o. 5 20 02 93 7 35 7 ...

    Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 139–154 : Автор(ы): Agnew, D.J., P. Grove, T. Peatman, R. Burn and C.T.T. Edwards

  5. Methodology of data collection on net selectivity and accidental mortality of fish passing through the mesh of the codend

    - JIH ,IJ;JIH COe,IJ;HHeHHH KOHTeHHepa C KYTKOM (pHc.4). B nepe,IJ;HeH 'qaCTH KOHTeHHepa Ha paccToHHHH ... TpaneHHe; 3. rrpH TpaneHHH npH nOMOrn;H rrnaHIlIHpHoro nara HSMepHIDT CKOPOCTD 6YKCHPOBKH Tpanai 4 ... rrRTb ~yrroB pa3HoH IDHPHH@ - OT 0 ~o 145 MM. HOMep ~yrra o 1 2 3 4 ,IJ;Hana30H 0-55 65-100 105-145 ... YKa3~BaroT MaTepHan, H3 KOToporo H3rOTOB- neH MelliOK, H HOMep H3MepHTenbHOH nnaCTHH~ (myna). (Ta6n. 4 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 99-121 : Автор(ы): VNIRO (USSR)

  6. Fishing intensity of the Soviet fleet in krill fisheries in the southern Atlantic (Subareas 48.2 and 48.3)

    mean values of CPUE over the four years of this analysis are shown in Figure 4 for all Soviet vessels ... 48.3 and Table 4 for Subarea 48.2. Estimates of the proportion of the biomass of krill on the fi ... estimate (Table 4). Krill removal in Subarea 48.3 was higher than in Subarea 48.2. The highest fi shing ... 1995) and at 4 million tonnes from the results of the CCAMLR-2000 Krill Synoptic Survey (at γ = 0.091 ...

    Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 15–35 : Автор(ы): Kasatkina, S.M. and V.F. Ivanova

  7. Notes on the use of virtual population analysis for stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea 48.3 for the 1990/91 and 1991/92 seasons

    stock size in 1990/91, all of these VPAs indicated that the biomass that year was dominated by 4 year ... a a (4) where la is the mean survey index at age a over all years and U a is the mean CPUE index ... only: _ Uay Aay --=-Ua Equation 4 assumes equal weighting between the two indices in years when ... ., for C. gunnari age 1 to 6+ this represents the mean of ages 1 to 4). The bottom row Fs for the MAFF ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 49–79 : Автор(ы): Parkes, G.

  8. Using ecosystem monitoring data to detect impacts

    ÷= = -ç ÷ç ÷çè ø . (3) Thus ( ) (1 ) o t t o s t P s s p pϑ ϑ ϑ ϑ - = æ ö÷ç ÷³ = -ç ÷ç ÷çè øå . (4 ... recent observations and excludes those which occurred more than n years ago. Method 4 The above ... replacing the relevant terms in equa- tion (4): ( ) (1 ) crit n n crit s n P s s p pϑ ϑ ϑ ϑ - = æ ö÷ç ... consequence of an impact or just part of the natural variability in the system. Methods 2 to 4, therefore ...

    Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 197–212 : Автор(ы): Hill, S.L., J. Forcada, P.N. Trathan and C.M. Waluda

  9. Characteristics of seasonal variation in diurnal vertical migration and aggregation of Antarctic krill (Euphausia superba) in the Scotia Sea, using Japanese fishery data

    a maximum depth of 178 m (±5.1 m; SE) in August (Figure 4). Trawling depth in February was con ... biomass estimates of Euphausia superba due to diel vertical migration. Deep-Sea Res., I, 42 (4): 455–475 ... Scientifi c Papers, 1987 (SC-CAMLR- SSP/4). CCAMLR, Hobart, Australia: 335–368. Ichii, T. 2000. Krill ... 40 60 80 NI T DW N M TW SR S M RN DA Y AF T SS T ET W DS K NI T 0 4 8 12 16 20 Jan. 0 ...

    Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 163–172 : Автор(ы): Taki, K., T. Hayashi and M. Naganobu

  10. A balanced model of the food web of the Ross Sea, Antarctica

    , inverse modelling, ecosystem model, CCAMLR Pinkerton et al. 4 Introduction A huge amount of research ... balance. These changes are assumed to be small, and defined below. In equations (4) to (13), using ... uncertainty. Biomass δs Bi i i i iB B B K B ¢ = + × × (4) Production ( ) ( ) ( ) ( )δ' s PP P P PiB B B ... groups are given in Table 4. Although still more arbitrary than the authors would like, this method of ...

    Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 1–31 : Автор(ы): Pinkerton, M.H., J.M. Bradford-Grieve and S.M. Hanchet

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