Resultados de la búsqueda
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Low genetic diversity in the Antarctic toothfish (Dissostichus mawsoni) observed with mitochondrial and intron DNA markers
BioLabs, USA). The digested products were separated in agarose gels (from 1.2 to 2%) and run at 60 v for ... , Sac I, ScrF I, Stu I, Sty I and Xba I); a ~1 300 bp fragment of the NADH dehydrogeanse sub-unit 2 ... in agarose gels, as for mtDNA RFLPs above. The S7 ribosomal protein sub-unit intron 1 (RP-1) and 2 ... (RP-2) amplicons (Chow and Hazama, 1998) were digested with 10 restriction enzymes (Alu I, Ava II ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 43–51 : Autor(es): Smith, P.J. and P.M. Gaffney
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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
phytoplankton. The colour was divided into three types: level 1 – trans parent or light green; level 2 – green ... level 1) × 1 / 6 + (occurrence of frequency (%) of level 2) × 1 / 2 + (occurrence of frequency (%) of ... at night (Figure 2). The pattern of diurnal change in average trawling depth in SG was different ... during the day (Figure 2). The depth increased gradually from April as observed in SS, and reached 162 ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 163–172 : Autor(es): Taki, K., T. Hayashi and M. Naganobu
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Analysis of krill trawling positions north of the South Shetland Islands (Antarctic Peninsula area), 1980/81–1999/2000
Figure 2: Box diagrams of minimum distances between trawling position and the 500 m isobath. Trawling ... break (King George) (Figure 2). Figure 3 shows the variation of monthly mean STP for the 1980/81 to ... from January, and in the 1982/83 season there were no valid data) (Table 2). The variation of STP for ... shelf towards the shelf from high summer onwards (Figure 2), as Siegel et al. (1997) described for ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 25–36 : Autor(es): Kawaguchi, S. and K. Segawa
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Maximum entropy reconstructions of krill distribution and estimates of krill density from acoustic surveys at South Georgia, 1996–2000
× 10 × 2 separate 0.5 × 0.5 km krill density estimates per box). This objective was not always ... infer- ence of the mean krill density (g m-2) in each of the 32 000 0.5 × 0.5 km cells within each ... reconstructions (N scales = 7), each blurred by a further linear factor of 2 (ICF widths 0, 1, 2, 4, 8, 16 and ... , very roughly, the number of adjacent 0.5 km cells that were correlated by ICF widths 1, 2, 4, 8, 16 ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 91–100 : Autor(es): Wafy, M.H., A.S. Brierley, S.F. Gull and J.L. Watkins
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Factors that may influence the accuracy of abundance estimates from CCAMLR tag-recapture programs for Dissostichus spp. and best practice for addressing bias
= ´ . (2) Deriving an accurate value for N using this esti- mator is based on a variety of assumptions ... phase that have the potential to bias the parameters of the LPE and N̂ (Table 2). Transcription errors ... priority Table 2: Processes that may occur during the release phase of a tagging program and their ... the past (e.g. SC-CAMLR, 2009, Figure 2), which is likely to impact on analyses including these ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 63–72 : Autor(es): Welsford, D.C. and P.E. Ziegler
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An assessment of the mackerel icefish (Champsocephalus gunnari) off Heard Island
Std Error 97.3 2 893.2 30 426.7 324.7 2 769.2 28 946.1 29 071.7 e. Table 4: Estimates ... surveys are given in Table 2. The 1997 Survey A random stratified trawl survey was carried out on ... each stratum are given in Table 2. Ten hauls were made in each stratum. The details of the vessel and ... to the numbers at age 2, using a natural mortality coefficient (M) of 0.4 (yr-l) (this is the mid ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 79–101 : Autor(es): de la Mare, W.K., R. Williams and A.J. Constable
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Depth distribution and spawning pattern of Dissostichus eleginoides at South Georgia
Figure 1 and Table 2. Significant explanatory variables were mean depth, month and vessel. There is no ... and South Georgia (Table 2) but there is a significant difference between intercepts. Fish seem to ... be slightly larger at Shag Rocks than at South Georgia at the same depth. Figure 2 demonstrates the ... maturity stage 3 animals through July and August. Table 2: Results of three linear models of mean ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 19–36 : Autor(es): Agnew, D.J., L. Heaps, C. Jones, A. Watson, K. Berkieta and J. Pearce
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Utilising data from ecosystem monitoring for managing fisheries: development of statistical summaries of indices arising from the CCAMLR Ecosystem Monitoring Program
parameters in the index. Table 2: Correlation matrices used in simulation trials to examine criteria for ... the inclusion of parameters in the index. Predator Parameter 1 2 3 4 5 6 7 8 Parameter ... 1 2 3 4 5 6 7 8 (i) Highly correlated (0.6 < r < 0.95) 1 1 0.7301 0.8454 0.6797 0.6642 0.6613 ... 0.8399 0.7626 2 0.7301 1 0.8467 0.6096 0.8438 0.6728 0.6103 0.8585 3 0.8454 0.8467 1 0.7385 0.8181 ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 101–117 : Autor(es): de la Mare, W.K. and A.J. Constable
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Using ecosystem monitoring data to detect impacts
) where p = P(A ≤ at). Method 2 Of course, values ≤at might have been observed previously, so more ... ÷ç -è ø . (2) The full version of the binomial density func- tion, which accounts for s > 1 ... ) Method 3 A variation on Method 2 is to assess the prob- ability of events observed within moving time ... as for Method 2 but replacing t with n ≤ t, the relevant reference period. This effectively weights ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 197–212 : Autor(es): Hill, S.L., J. Forcada, P.N. Trathan and C.M. Waluda
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Low breeding success of the Adélie penguin at Béchervaise Island in the 1998/99 season
seven days during mid-January each year at longitude 60°E. Chick Growth (CEMP A7) About 30 chicks ... count (CEMP A3) of 1 880 nests with eggs on 2 December had dropped to 818 nests with brooded chicks by ... . Table 2: Mean fledglin weights (+ standard deviation) within CEMP five-day periods for all seasons ... nine years for which we have data Procedure, H = 24.94, df = 6, p < 0.001; Table 2). (Pearson Product ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 151–167 : Autor(es): Irvine, L.G., J.R. Clarke and K.R. Kerry