Résultats de la recherche
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The CCAMLR-2000 Krill Synoptic Survey: a description of the rationale and design
Limit of Grid of Grid Northern Southern Western Eastern Scotia Sea 62'5, 40°W 0" 49"s 62"s 56"W 20°W ... located parallel to the line between 65"00.O'S, 50°00.0'W and 60°00.0'S, 55'46.4'W. The base grid for ... with standard parallels placed approximately 25% from the top and bottom of the anticipated survey ... . Document WG-Kuill-94/20. CCAMLR, Hobart, Australia. Murray, A.W.A. 1996. Comparison of geostatistical ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 1–23 : Auteur(s): Trathan, P.N., J.L. Watkins, A.W.A. Murray, A.S. Brierley, I. Everson, C. Goss, J. Priddle, K. Reid, P. Ward, R. Hewitt, D. Demer, M. Naganobu, S. Kawaguchi, V. Sushin, S.M. Kasatkina, S. Hedley, S. Kim and T. Pauly
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Precautionary spatial protection to facilitate the scientific study of habitats and communities under ice shelves in the context of recent, rapid, regional climate change
highlights how: CCAMLR Science, Vol. 20 (2013): 139–151 139 PRECAUTIONARY SPATIAL PROTECTION TO ... species such as krill, which are important prey for meso- and top- predators, may affect feeding ... Subarea 48.1, to the extent known, were conducted within 20 n miles of glaciers on the islands and the ... . Paradigm lost, or is top-down forcing no longer significant in the Antarctic marine ecosystem? Ant. Sci ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 139–151 : Auteur(s): Trathan, P.N., S.M. Grant, V. Siegel and K.-H. Kock
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Calibration of an acoustic echo-integration system in a deep tank, with system gain comparisons over standard sphere material, water temperature and time
. Although the impedence of transducers is usually tuned in the factory to be 60 n at the nominal operating ... . Sea, C.M., B:20. FOOTE, K.G. 1982. Optimising copper spheres for precision calibration of ... separation. 4. DATA ANALYSIS To determine the centre of the main lobe and to estimate the effective ... sphere, taken on-axis (Table 1 and Figure 4). On-axis stability decreased with increasing pulse length ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 127–144 : Auteur(s): Demer, D.A. and R.P. Hewitt
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Preliminary analyses of data collected during experimental phases of the 1994/95 and 1995/96 Antarctic crab fishing seasons
greater than about 72 hours were generally associated with strings that had been left on the fishing ... on 20 November, 1995. During this period, the vessel hauled 79 strings of gear which were set in ... C C A M L R Science, Vol. 4 (1997): 141-159 ... I J K L No. of Sets 4 19 16 14 1 1 7 7 5 3 14 6 CPUE Min Median Mean Max ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 141–159 : Auteur(s): Watters, G
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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
0.0454 0.0306 0.0212 0.0162 0.0142 Anomaly-free Length = 20 Years The power shown in Table 4 is ... Program, two lengths of time were investigated: 10 and 20 years. The correlation matrix was estimated ... total length of the time series (20 years was better than 10) and the proportion of the time series in ... increase from 10- to 20-year time series resulted in little change in the median performance but in a ...
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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Krill (Euphausia superba Dana) resources and distribution in the Wilkes Land area in the seasons 1986 to 1989
1986 50 12.2 1000 50.0 20 to 21 April 3 1986 300 3.5 158 47.5 24 to 30 April 4 1987 127 14.0 1510 ... February 7 1988 , 55 5.1 138 7.6 13 to 16 February 8 1988 77 7.4 327 25.2 16 to 20 February 9 1988 ... Aggregations Aggregations 1 1986 42 4.9 443 18.6 5 to 7 February 2 1986 41 10.3 1178 48.3 19 to 20 ... 20 Feb to 15 March 8 1988 88 13.0 296 27.2 26 to 29 March 9 1988 21 16.2 220 4.6 21 to 22 March ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 149–162 : Auteur(s): Dolzhenkov, V.N. and V.P.Timonin
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Estimation of effective sample size for catch-at-age and catch-at-length data using simulated data from the Dirichlet-multinomial distribution
centred year value obtained from the integer values of year, y, so that for a 20-year simulation period ... model A simulation model consisted of simulating 100 replications of a series of 20 fishing years of ... 300 mm giving 20 bins in total. The line in Figure 2 shows kP′ versus length bin mid- points ... sampling of the population age structure. For each of the 20 years in a replicate, catch-at- age ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 115–138 : Auteur(s): Candy, S.G
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On reproduction of Electrona carlsbergi (Tåning)
WG-FSA-90/20 ON REPRODUCTION OF ELECTRONA CARLSBERGI ... . Magnification - 20 x 10. Figure 2: E. carlsbergi ovary at maturity stage VI-VIII. Residual follicle in the ... centre. Older oocytes in phase of intensive trophoplasmatic growth. Magnification - 20 x 10. 405 ... stage IT. Older oocytes in monolayer follicle phase. Magnification - 20 x 10. Figure 5: E. carlsbergi ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 397–409 : Auteur(s): Mazhirina, G.P.
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Possible effects of different levels of krill fishing on predators – some initial modelling attempts
-predator interaction, and that the effects h - 20 - 60 (12) caused by other species are sufficiently small ... 0.69 0.67 0.64 0.64 Age-at-First-Reproduction T (yr) 4 4 5 10 The va lues of t h e p ... projection period.) Figure 4 compares deterministic and stochastic results for each predator species ... 0 .02 .04 .06 .08 1 (ii) Y Figure 4: Plots of predator numbers (N) (normalised as in Figure 3 ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 79–97 : Auteur(s): Butterworth, D.S. and R.B. Thomson
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Cephalopod research in the Antarctic
, 35, 223-230. RODHOUSE, P.G. and M.R. CLARKE. 1986. Distribution of the early-life phase of the ... fauna 2. Production and biomass 3. Demography and population dynamics 4. Trophic relations - role ... particular ensuring uniformity of criteria and methodology used in age determination. 4. Investigations ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 323-334 : Auteur(s): Rodhouse, P.G.