Résultats de la recherche
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Low genetic diversity in the Antarctic toothfish (Dissostichus mawsoni) observed with mitochondrial and intron DNA markers
2.23 0.17 0.68 49 Genetic diversity in the Antarctic toothfi sh 30 recaptures have moved ... 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 ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 43–51 : Auteur(s): 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
: 82–90. Ritz, D.A. 1994. Social aggregation in pelagic invertebrates. Adv. Mar. Biol., 30: 155–216 ... 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 ...
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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Analysis of krill trawling positions north of the South Shetland Islands (Antarctic Peninsula area), 1980/81–1999/2000
ecosystem. CCAMLR Science, 3: 13-30. Ichii, T. 2000. Krill harvesting. In: Everson, I. (Ed.). Krill ... 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 ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 25–36 : Auteur(s): 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
= 95 km, y = 30 km (Figure 1b). Factors contri - buting to the consistent appearance of krill at these ... × 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 ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 91–100 : Auteur(s): 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
controlled measures of survival and tag-detection for the CCAMLR tagging program. Document WG-SAM-12/30 ... = ´ . (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 ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 63–72 : Auteur(s): 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 : Auteur(s): 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
the Atlantic. Vopvosy ikhtiologii, 30 (7): 142-146. Agnew et al. Month Mean depth Area ... 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 ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 19–36 : Auteur(s): 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
simulation for two forms of alternative hypothesis with data series of up to 20 and 30 years. In both forms ... 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 ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 101–117 : Auteur(s): de la Mare, W.K. and A.J. Constable
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Using ecosystem monitoring data to detect impacts
. Document WG-EMM-08/30. CCAMLR, Hobart, Australia. Hill et al. 206 Figure 1: (a) Annual fur seal pup ... ) 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 ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 197–212 : Auteur(s): 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 : Auteur(s): Irvine, L.G., J.R. Clarke and K.R. Kerry