Résultats de la recherche
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Results of the CCAMLR Antarctic fish otoliths/scales/bones exchange system
of one sample is unknown at present. 2 . MATERIAL AND METHODS The following samples were made ... Potter Cove (South Shetland Islands) (Table 2) mounted on microscopic slides. Sample size: 50. Specimens ... investigator (2) was less experienced. Age classes 4 to 12/13 were identified from the sample. Full ... demonstrates the agreement (in %) among all of the investigators: Full Agreement (%) Reader 1 2 3 4 Full ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 197–226 : Auteur(s): Kock, K.-H.
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Fatty acid and stable isotope analyses to infer diet of Antarctic toothfish caught in the southern Ross Sea
are shown in Figure 2. A total of 29 stations were planned for SSRU 881L and 16 stations for SSRU ... a mixed solution of methanol, chloro- form and water (2:1:0.8) according to the method of Bligh and ... 65 °S 70 °S 75 °S 80 °S 16 0°E 180° 160°W 140°W 120°W Figure 2: Stratum boundaries and ... chloroform (2:1, v/v) according to the procedure of Bligh and Dyer (1959). To obtain FA methyl esters ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 21–36 : Auteur(s): Jo, H.-S., I. Yeon, C. Lim, S.M. Hanchet, D.-W. Lee and C.-K. Kang
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Homogeneity of body length composition of Antarctic krill within the commercial zone
are also examined in order to compare within-haul variations. 2. MATERIALS AND METHODS A total of ... board FV Zuiyo Maru No. 2 (3023 tonnes, Hakodate Kokai Gyogyo Co.) off George V Land in the 1985/86 ... using the following formula; 18 where Dlj = the number of kriU in the ith (i=l, 2, ... , m) sample ... in the jib (j=1, 2, ... , k) length class, DI. = the total number of krill in the ith sample; D1 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 17–28 : Auteur(s): Ichii, T.
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The utilization of seabird censuses for krill monitoring
generated by means of the vector of parametric orthogonal functions : (1) a'(t) = (1/1"2 ),sin t, cos t ... are calculated as a linear function of t for the point x (2) Fx (t) = a'(t) • x, and the values ... generated by (1), F(t) functions are calculated for the 72 observations according to (2). These 72 values ... sufficient with the data set at hand. - 400 - 2. Function contour plotting: Taking the centroids of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 393-425 : Auteur(s): Marschoff, E.R., J.G. Visbeek and L.R. Fontana
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The Kerguelen database
effort is represented in an artificial map (see Figure 2) where the total trawl number is plotted for ... sectors of the shelf are important 2, 3 and 4. - 27 - One species is dominant in each sector • main ... sector for C. gunnari : 2 secondary sector 8 and 1 main depth range 150-249 m in the sector 2 250 ... . eleginoides (59) * 159 43 124 130 147 6673 459 others (8)* 18 59 7 29 618 12 2 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 23-54 : Auteur(s): Duhamel, G.
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Results of fish larvae sampling by means of fine-meshed samplers attached to a bottom trawl
, usually not sampled due to the danger of damage to or loss of nets. 2. METHODS The survey was ... attached to the trawl in 49 of the 118 hauls (Figures 1 and 2). Each pair consisted of one sampler with 12 ... the codend and X - 8 m from the headrope on the second segment of the trawl belly (Figure 2). The ... placed on the codend in position D (Figure 2). It appears that this net was more vulnerable to damage ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 69-86 : Auteur(s): Ślósarczyk, W. and I. Wójcik
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A proposed management procedure for the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity
cetaceans, i.e. that cetacean depredation should be calculated as a multiplying factor z = 2 of the landed ... to be zero in the assess- ments. Thus, for ages 1–7, the numbers-at-age are given by 2 ' 2 ', R ... - rior median of 0.62. The value of σR = 0.5 used here is roughly intermediate between these two. 2 ... toothfish for year y’ caught by longliners is given by: 2 ', ', 2 ', ', 2 ', ', 2 ', ', 2 ', ' 2 ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 33–69 : Auteur(s): Brandão, A. and D.S. Butterworth
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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
somewhere in the region of 40 to 50% of the fishable biomass (age 2+*) would be composed of 5 year olds ... was undertaken by the RV Falklands Protector in January 1992 (Everson et al., 1992b). Figure 2 ... compares predictions of age structure in 1992 from VPAs presented to the working group in 1991 (age 2 ... +) with that observed during this survey. The samples taken during the survey were dominated by 2 and 3 ...
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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A compilation of parameters for ecosystem dynamics models of the Scotia Sea – Antarctic Peninsula region
, la différence étant de l’ordre d’un facteur 10. Hill et al. 2 Introduction Expansion of the ... seasonal. Lifetime aver- aged annual rates (indicated by the symbol μ) were divided by 2 to obtain ... i D X X D = = = ∑ ∑ (2) where ,k jX is the generic value of parameter X for taxon k, Xi,j ... each SSMU, including the total krill catch from 1988 to 2002, is given in Table 2. Figure 1: The ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 1–25 : Auteur(s): Hill, S.L., K. Reid, S.E. Thorpe, J. Hinke and G.M. Watters
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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
: mean mean c L LZ K L L ¥ -= - (2) where only the mean length Lmean in a sample of fish above ... taken from the assessment in Division 58.5.2 around Heard Island and the McDonald Islands (Table 2 ... catch scenarios (tonnes) 0, 250, 500, 750, 1 000, 2 500, 5 000, 10 000 Simulation specifications ... Table 2: Parameters for Patagonian toothfish (SC-CAMLR, 2009; Candy et al., 2007) population dynamics ...
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