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Evaluating the impact of multi-year research catch limits on overfished toothfish populations
above age 7, as in a trawl survey 10 " " " As per Table 1 except La50 = 8 years; range: 0 to full ... were fully selected by 2 years was tested in scenarios 7 and 8 respec- tively. Scenario 9 was ... even when unfished. 15 30 45 60 75 90 0. 6 0. 7 0. 8 0. 9 1. 0 Research catch t.yr1 S S B w ... 3 8 0 –2 9 0 0 10 0 –2 11 0 9 12 5 –4 13 –6 7 Welsford 54 Studies that have ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 47–55 : Autor(es): Welsford, D.C
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Analysis of results from demersal fish surveys at South Georgia, undertaken by the United Kingdom and the USSR, January and February 1990
-500 m 2 0 0 7 0 0 8 53 0 9 81 0 10 0 0 11 46 0 12 35 0 13 13 0 16 43 0 18 0 0 21 147 0 ... Knipovich survey is present in the 150 to 250 m depth stratum of grid square 8. This was due to one haul of ... N CV(%) Hill Cove 278431 8 83 75576 59 79 Akademik Knipovich 121680 13 34 597424 70 79 Analysis ... by Dr Gasiukov Ship Shag Rocks South Georgia Biomass N CV(%) Biomass N CV(%) Hill Cove 378233 8 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 223–254 : Autor(es): (Report of a Joint UK/USSR Workshop, 23 to 27 July 1990)
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Preliminary results of research activities of RV Evrika in the Scotia Sea in January-March 1988
Figure 6 Figure 7 Figure 8 Figure 9 PI1CYHOK 1 PI1CYHOK 2 PI1CYHOK 3 PI1CYHOK 4 PI1CYHOK ... Figura 2 Figura 3 Figura 4 Figura 5 Figura 6 Figura 7 Figura 8 Figura 9 KOHI~eHTpalll1l1 ... 6). Small crustaceans of 29-35 mm prevailed in catches (see Figure 7). In February, off South ... 15 14 • ,11 ,21 ',7 (.!) '. I? 10 18 5 G ? , • '4 I. Network of survey stations (30 March-9 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 215-229 : Autor(es): Maklygin, L.I., A.S. Fedorov, V.N. Shnar, Yu.A. Shulyakovsky, I.V. Krasovsky, Yu.D. Shuvaev and A.V. Kromsky
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Catch per unit effort (CPUE) data from the early years of commercail krill fishing operations in the Atlantic sector of the Antarctic
186 309 7 672 1 072 77 6 732 1428 16 The Mann-Whitney or U-test was used in the two-sample case ... 28 $18 3 702 33 1 950 226 20 9 599 1 217 109 7 915 652 135 5 340 1 856 10 RESULTS ... significant). Total 78 79 8 1 82 85 86 8 8 76 ns ns 0.001 0.001 0.01 0.001 ns 78 ns 0.001 ns 0.001 0.001 ... ns 79 0.001 0.001 ns 0.001 ns 81 0.001 ns ns ns 82 0.001 0.001 0.01 8 5 ns ns 8 6 ns Krill ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 31–50 : Autor(es): Siegel, V., V. Sushin and U. Damm
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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
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 ... 0.4651 1 0.4127 0.4635 7 0.4021 0.5273 0.5699 0.4523 0.5738 0.4127 1 0.5703 8 0.5233 0.5536 0.5 0.3032 ... 1 0.1302 0.3903 7 0.1399 0.1103 0.0600 0.1324 0.2484 0.1302 1 0.1956 8 0.3626 0.2585 0.1966 0.0641 ...
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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Distribution and relative abundance of Antarctic toothfish (Dissostichus mawsoni) on the Ross Sea shelf
41 0.51 0.16 1 980 1999 2 252 297 1.18 0.20 1 510 2000 3 489 752 1.57 0.33 2 281 2001 7 687 625 ... 480 1085 770 990 1504 1364 7 009 881I 26 149 376 246 345 126 651 613 396 557 126 3 612 881J 2 7 11 ... below 77°30'S 2001 2 156 102.4 0.66 0.52 2004 1 21 12.5 0.59 0.77 2005 1 8 2.2 0.28 0.58 2008 2 ... in Figures 6 to 8. The size distribution was similar between sexes, with sex ratios close to 1:1 ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 33–51 : Autor(es): Hanchet, S.M., S. Mormede and A. Dunn
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A simple approach for calculating the potential yield of krill from biomass survey results
Town, Rondebosch 7700, South Africa ** Renewable Resources Assessment Group, Imperial College, 8 ... of equation (2). Age a Length £(a) (years) (mm) 0 0 1 22 2 36 3 44 4 50 5 54 6 56 7 57 ... of krin 8 years of age and older is relatively small and so can be neglected. The number of krin ... "year") is accordingly: 7 Bsp(Y) = L wa Ny,a (A.5) a=am where am is the age-at-maturity for ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 207–217 : Autor(es): Butterworth, D.S., A.E. Punt and M. Basson
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Chilean krill fishery: analysis of the 1991 season
Tableau 1: Figure 1: Figure 2: Figure 3: Figure 4: Figure 5: Figure 6: Figure 7: Figure 8 ... : Figura2: Figura 3: Figura4: Figura5: Figura 6: Figura 7: Figura 8: 286 Lista de las tablas ... in sector (3). The three sectors had bottom depths shallower than 300 m. Figure 7 shows the depth of ... towing time as effort. Figure 8 shows the daily average and range of CPUE values during 1991. CPUE ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 273–287 : Autor(es): Marín, V.H., A. Mujica and P. Eberhard
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Distribution of fish larvae at South Georgia: horizontal, vertical, and temporal distribution and early life history relevant to monitoring year-class strength and recruitment
Figura 3 Figura 4 Figura 5 Figura 6 Figura 7 Figura 8 Figura 9 Figura 10 Figura 11 ... PHCYHOK 2 PHCYHOK 3 PHCYHOK 4 PHCYHOK 5 PHCYHOK 6 PHCYHOK 7 PHCYHOK 8 PHCYHOK 9 - 140 ... stations (depth <200 m). A multiple rectangular midwater trawl of 8 m2 and 4.5 mm mesh (MRMT8) was used ... ), at abundances of 7-600 per 105 m3 where present. They were abundant one month later 'in Cumberland ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 105-141 : Autor(es): North, A.W.
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Possible effects of different levels of krill fishing on predators – some initial modelling attempts
espPces predatrices de krill. 11s creent un modele d'interaction '8 sens unique' dans lequel les ... predatrices plus sensibles 8 l'exploitation du krill que ne le laissent entendre les Pvaluations ... . Une structure mathematique de modPle d'interaction '8 double sens' (couvrant egalement l'effet de ... Butterworth et al., 1994). a~ 0.936 0.846 0.852 0.898 Pro ortion of 'Bad' a n 8 ~ o o r j years, q ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 79–97 : Autor(es): Butterworth, D.S. and R.B. Thomson