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  • 福建省福州市福清市融阳1区1排 链家贝壳房天下 近期成交价
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  • 福建省福州市福清市融阳1区1排 链家贝壳房天下 近期成交价
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  1. A proposed management procedure for the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity

    (see Figure 1). However, since these islands fall under the jurisdiction of the Republic of South ... , are pro- vided in Appendix 1. These four OMs reflect the spawning biomass depletion at the start of ... Antarctic of this effect (Purves et al., 2004; 2006), the reference set OMs all assume z = 1 (i.e ... of statistical plausibility. Setting wlen = 0.2, which, as explained above and in Appendix 1, seems ...

    Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 33–69 : Author(s): Brandão, A. and D.S. Butterworth

  2. Research currently being undertaken by the Republic of South Africa on "dependent and related species" within the Antarctic marine ecosystem

    marine I ivin9 resources and their Pre~. (1) MARINE HAMHALS Introduction Sci(c'ntist·:c: bss1a1 ~;Pee i es diversity of' 111ammals adapted to the Antarctic and Subantarctic environm ... - 63 - durins the SANAE relief vo':1..i'Je~; each austral ~;urrimer. Resea-rch on different se;~I ... inabilit!ill to Ph)l'5io- lo~icalli:i resulat("' its bod!, temf>er-atur-e durin9 spells of relotivel!:1 ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 59-77 : Author(s): South Africa

  3. Chilean krill fishery: analysis of the 1991 season

    Instituto Antiirtico Chileno, Casilla 16521, Correo 9, Santiago, Chile 273 1. INTRODUCTION The main ... subarea (Figure 1). The catch is used in the production of feed either as frozen krill or meal. For that ... and 1 265 tonnes of frozen krill. These quantities correspond to the maximum transportation capacity ... of the distribution of hauls in space showed three major fishing sectors (Figure 6): sector (1), the ...

    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

  4. Standardization of fishing effort for Champsocephalus gunnari in the South Georgia area (Subarea 48.3)

    modelo. El coeficiente de variaci6n promedio para los valores de CPUE fue de 0.399. 1. INTRODUCTION ... X lI1 X2J2 X TJT U = UR • PlI1 • P2J2 • PTJT (1) is the standard value of catch-per-unit-effort ... references, is the relative power of the Jith category in the i lb category type, is 1, if U is pertinent ... category. Their characteristic feature is the equality to 1 of a respective coefficient of relative power ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 327–336 : Author(s): Gasiukov, P.S.

  5. Using ecosystem monitoring data to detect impacts

    impacted population. This process was repeated 1 000 times. The proportions of unimpacted observations ... , monitoring is assumed to begin at t = 1 and low values of at indicate unfavourable conditions. Hill et ... statistical independence of events. Method 1 A simple approach is to assess the probability that a value ... once in t years can be calculated using the binomial density function: P(at) = t.p.(1 – p)t (1 ...

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

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

    toothfish stock in Division 58.5.2 (Candy and Constable, 2008; SC-CAMLR, 2009c) and are shown in Table 1 ... median status (ratio of median spawning stock biomass, SSB, at Table 1: Input parameters for ... class in stock 1 year Last age class in stock 35 years Oldest age in initial structure 36 years ... Age fully selected Season Catch during fish-down phase Catch during research phase 5 11 1 Jan ...

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

  7. 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 ... = selected frequencies in kHz); • fr = (fj /fi) > 1 is the ratio of the selected frequencies. The ... 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 ... 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 : Author(s): Azzali, M., I. Leonori and G. Lanciani

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

    ~aCTH ~nH ynaBnHBaHHH p@6, OTceHHH@X H3 MelliKa, H BHYTpeHHeH (pHC. 1) ~nH rrpe~OTBpame­ HHH yxo~a p ... , rrpHBegeHHhlMH B Ta6nHue 1. BHelliHHH H BHYTpeHHHH ~aCTH p@6oynoBHTenH B@KpaHBaWTCH H3 ceTHoro rronOTHa rro ... ~opMe, rrOKasaHHOH Ha PHC, 1. ITPH gBYXpHg- HOM MelliKe d - ~HaMeTp HHTKH cooTBeTcTBywmHH o~HOpHgHOH ... rrpHlliHBaWT CHapY~H K Bepx- .HeH rrnaCTH UHnHHgpH~ecKOH ~aCTH MelliKa. KpOMKY h 1 , ~~HHa KOTOPOH Ha 30 ...

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

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

    scientists illustrates many of the fea- tures of control strategies (Figure 1). According to Rademeyer et al ... time-step in response to new state estimates. The following sections provide more detail. Tables 1 ... and Cannon 122 Table 1: Parameters used to implement the operating model. Parameter Area 0 Area 1 ... Area 2 Mortality rate (harvested species) M1 = 0.2 M2 = 0.2 Mortality rate (predators) M’1 = 0.05 ...

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

  10. The role of fish as predators of krill (Euphausia superba) and other pelagic resources in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop)

    depressions which let a number of coastal species occur as deep as 1 500 m and more (Kock, 1992). The ... are most abundant (SC-CAMLR, 1990). Dense concentrations of 1-year-old fish have been observed ... mycto- phids and bathylagids in RMT25 catches occurred between 400 and 1 000 m during the day and ... western side of South Georgia to the west of Shag Rocks in the depth range 0–1 000 m was 2.93g m–2 ...

    Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 115–169 : Author(s): Kock, K.-H., E. Barrera-Oro, M. Belchier, M.A. Collins, G. Duhamel, S. Hanchet, L. Pshenichnov, D. Welsford and R. Williams

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