Résultats de la recherche
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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 ... decreased after that in SG. It reached a maximum depth of 144 m (±2.2 m) in August but it shifted to a ... 33.1 1.4 2.1 2.3 July 83.3 24.5 1.9 2.2 August 35.5 1.8 September 31.8 2.5 Taki et al ... January, but decreased after February and was at its lowest level (0.17) from April to August (Figure 5 ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 163–172 : Auteur(s): Taki, K., T. Hayashi and M. Naganobu
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CPUE indices used in Soviet krill fishery statistics from 1977 to 1992 and their possible utility for evaluation of relative changes in krill biomass
be 20% or more (Anon., 2001). Another, much smaller, peak in Figure 5 is associated with 8–12 hauls ... . acoustics-guided hauls as used in the CCAMLR-2000 Krill Synoptic Survey (Trathan et al., 2001). The CPUEs ... Russian). Anon. 2001. In: Bykova, V.M. (Ed.). Antarctic Krill: Manual. VNIRO, Moscow: 207 pp. (in ... . Kasatkina, S. Hedley, S. Kim and T. Pauly. 2001. The CCAMLR-2000 Krill Synoptic Survey: a description of ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 165–177 : Auteur(s): Litvinov, F.F., A.Z. Sundakov and V.I. Arkhipov
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Australian research on Antarctic bird and seal diets
) Time: August to October 1984 Prehatch Posthatch (1987/88) 25 52 4 3 41 450 55 o 25 o ... Source of material: Faeces collected monthly from sea ice - 51 in August, 61 in September and 39 in ... 72 and 183 mm, mean 129.5±23.8 mm. Location: Amanda Bay (69°19'S: 76°46'E). Time: 14 August, 15 ... °50'E) Time: August to October 1984 Source of material: Total of 15 faeces Reference: Green and ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 231-249 : Auteur(s): Williams, R.
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Can we use discriminant function analysis to sex penguins prior to calculating an index of a morphometric characteristic?
,12 = v = J,1 + aa a2 = ba (3) using the same methodology as described in the foregoing section ... described in the previous section. If the sex ratio changes then a in equation (3) will change. Figure 2 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 259–272 : Auteur(s): Agnew, D.J.
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Length-based assessments revisited – why stock status and fishing mortality of long-lived species such as toothfish cannot be inferred from length-frequency data alone
stock abundance. Punt et al. (2001) investigated mean length and the upper 5th percentiles of length ... Reference year 2000 First year of projection 2001 Years to project stock in simulation 60 y Reference ... function and life-history characteristics (see e.g. Ehrhardt and Ault, 1992; Punt et al., 2001; Somerton ... . 2001. Evaluating empirical indicators and ref- erence points for fisheries management: ap- plication to ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 57–73 : Auteur(s): Ziegler, P.E., D.C. Welsford and A.J. Constable
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An impact assessment framework for bottom fishing methods in the CAMLR Convention Area
are largely unknown because the camera footage only observed a single section of line interacting ... abundance of various VME taxa in order to calculate the likelihood that the fishing gear will interact ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 195–210 : Auteur(s): Sharp, B.R., S.J. Parker and N. Smith
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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
the survey t (July = month 1, August = month 2 etc.), and known catches C in month i, the number of ... standardised form and standardised according to the method described in Section 2.1. The calculation of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 49–79 : Auteur(s): Parkes, G.
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Biomass, abundance and distribution of fish in the Kerguelen Islands EEZ (CCAMLR Statistical Division 58.5.1)
, 1997/98 and 2001/02 El Niño Southern Oscillation (ENSO); see Lea et al., 2006) has probably led to a ... as a top predator with C. gunnari in its diet (Guinet et al., 2001) mostly when its main prey ... recruitment) (Duhamel, 1987b; Koubbi et al., 2001) are positive factors for the recovery of the stock. The ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 1–32 : Auteur(s): Duhamel, G. and M. Hautecoeur
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Note on estimating krill abundance from acoustic data on individual aggregations
horizontal cross-section. The method is therefore not recommended for krill aggregations which are often ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 219–223 : Auteur(s): Hampton, I. and D.G.M. Miller
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Fish stock assessment survey in Subarea 48.3
. Figures in parentheses have been added as explained in section 4.4 of this report. Age> 0 1 2 3 4 5 6 7 ... 75 M:SH SIZES Nominal Mesh Section Size (mm) A. B, C. D. H. I 160 E. F.J.K 120 G.L 80 M ... ete ajoutes selon les explications de la section 4.4 du present rapport. Tableau 10: Structure ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 25–67 : Auteur(s): Everson, I., G. Parkes, K.-H. Kock, S. Campbell, Z. Cielniaszek and J. Szlakowski