Search results
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An assessment of toothfish in Subarea 48.3 using CASAL
applying throughout the time series. As can be seen from Figures 7 and 8, the fits to length-frequency ... 8. Changing the steepness from 0.8 to 0.7 or 0.9 has only a very small effect on the estimated SSB ... ∞ = 0.67 where Tm and Lm are the age and length at (knife- edged) maturity. Table 7 examines the ... ) has some effect, this is generally not large (Table 8). The very close correspondence with the main ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 65–95 : Author(s): Hillary, R.M., G.P. Kirkwood and D.J. Agnew
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A review of data on abundance, trends in abundance, habitat use and diet of ice-breeding seals in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop)
circumpolar popula- tion of crabeater seals in unconsolidated pack-ice to be at least 7 million, though they ... crab eater seals, 5 000 Ross seals, 8 000 leopard seals and 32 000 Weddell seals (Table 1). The ... 7°W was only a simple prelimi- nary estimate and is likely to be an overestimate. Regional ... 000–576 000); 64°E–150°E sector: Ross seals 55 900 (27 700–187 500); leopard seals 7 300 (3 700–14 ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 49–74 : Author(s): Southwell, C., J. Bengtson, M. Bester, A.S. Blix, H. Bornemann, P. Boveng and M. Cameron, J. Forcada, J. Laake, E. Nordøy, J. Plötz, T. Rogers, D. Southwell, D. Steinhage, B.S. Stewart and P. Trathan
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Distribution and size of Antarctic krill (Euphausia superba Dana) in Polish commercial catches taken in the Atlantic sector of the Southern Ocean from 1997 to 1999
6 1 13 5 So ut h Sh et la nd s 19 97 M ay 10 5 1 06 1 98 7 15 8 97 9 81 19 7 ... 92 2 27 9 2 32 9 28 22 5 85 98 62 8 64 7 15 5 64 6 Ju ne 57 1 98 4 96 5 73 ... 28 4 14 9 82 7 M ar ch 12 2 1 13 8 84 3 18 4 69 2 59 37 6 43 8 34 2 68 1 A pr il ... 19 97 Fe br ua ry 36 7 38 2 60 8 1 04 9 M ar ch 43 6 73 5 1 ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 83–105 : Author(s): Jackowski, E
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Analysis of albatross and petrel distribution within the CCAMLR Convention Area: results from the Global Procellariiform Tracking Database
season (Figure 7). The Convention Area is also important for pet- rel species, including the breeding ... distributions of northern and southern giant petrels from South Georgia (Figures 8 and 9), as well as those of ... Albatrosses and Petrels. Honolulu, Hawaii USA, 8–12 May 2000. Abstracts of oral and poster presentations ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 143–174 : Author(s): BirdLife International (prepared by C. Small and F. Taylor)
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Growth and age/length structure of populations of Notothenia (Lepidonotothen) squamifrons (Nototheniidae) in various areas of the Indian sector of the Southern Ocean
lower. The mode was usually 22 to 32 cm and 5 to 8 years while the mean age was approximately 7 years ... ). Specimens 8 to 50. cm in length and 7 to 2 200 g in weight were found in trawl catches around the Kerguelen ... reach maturity at the age of 7 to 8 and the bulk of the catch for 1985 to 1987 comprised 6 to 7 year ... 5-to 8 (f = 7 years). At the beginning of exploitation in the Kerguelen Islands area the bulk of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 123–139 : Author(s): Zaitsev, A.K.
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A first step towards modelling the krill–predator dynamics of the Antarctic ecosystem
abun NN NNLL (7) 2 , 2 1 1 ˆln ln ln ln 2 y n b b obs b tren y y yy LL N q N , (8) where ... Butterworth (2001) are extrapolated by a factor of 7, based on the results of Butterworth and Geromont (1995 ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 217–277 : Author(s): Mori, M. and D.S. Butterworth
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Fish stock assessment survey in Subarea 48.3
10 53 34.10 41 24.50 126 30 7 23 1 9 45 53 34.10 41 24.50 121 30 8 24 1 6 43 53 39.10 41 14.90 135 ... 28.70 39 16.40 284 30 73 7 2 13 8 54 16.00 39 0.00 245 15 74 7 2 16 25 54 9.50 39 14.00 223 30 75 7 2 ... 0 0 0 0 N.larseni 9.5 8 118 34 21 12 N. nudifrons 14.5 15 27 28 0.4 4 P. hansoni 1.8 5 6.8 7 4.4 ... 0 0 0 0 0 0 0 8 0 0 0 0 0 0 0 0 0 0 0 37 Table 9 (continued) Age> 0 1 2 3 4 5 6 7 8 9 10 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 25–67 : Author(s): Everson, I., G. Parkes, K.-H. Kock, S. Campbell, Z. Cielniaszek and J. Szlakowski
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Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald Islands using catch-at-age and aged mark-recapture data from the main trawl ground
the observed numbers reasonably well in all years (Figure 7). Figure 8 shows the estimated linear ... pl e si ze : 8 32 8 13 9 32 19 0 95 22 5 61 14 0 36 17 4 20 16 7 ... le as ed 2 : 53 1 65 7 68 4 79 8 81 1 76 2 89 1 38 2 98 8 74 6 33 8 7 58 8 ... 17 1 24 7 17 8 21 4 45 19 2 14 5 7 1 50 9 1 R an do m sa m pl e of le ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 29–45 : Author(s): Candy, S.G., D.C. Welsford, T. Lamb, J.J. Verdouw and J.J. Hutchins
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Analysis of trends in Japanese krill fishery CPUE data, and its possible use as a krill abundance index
ad S SM U s. -6 7 -6 6 -6 5 -6 4 -6 3 -6 2 -6 1 -6 0 -5 9 -5 8 -5 7 -5 6 -5 5 -5 4 ... and TSDT for the whole of Area 48 across years. 0 1 2 3 4 5 6 7 8 9 10 19 80 /8 1 19 81 ... /8 2 19 82 /8 3 19 83 /8 4 19 84 /8 5 19 85 /8 6 19 86 /8 7 19 87 /8 8 19 88 /8 9 19 ... 82 /8 3 19 83 /8 4 19 84 /8 5 19 85 /8 6 19 86 /8 7 19 87 /8 8 19 88 /8 9 19 89 /9 0 ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 1–28 : Author(s): Kawaguchi, S., S. Candy, S. Nicol, K. Taki and M. Naganobu
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Diet study of Antarctic toothfish caught in the east Antarctic based on stomach content, fatty acid and stable isotope analyses
10 .7 ± 1 .6 3. 0 9. 2 3. 4 1. 9 2. 2 5. 8 2. 5 4. 1 4. 0 ... 9. 0 4. 1 6. 1 7. 5 ± 1. 4 6. 4 2. 8 9. 3 ± 0. 5 C 17 :0 ... . 2 3. 6 8. 3 10 .3 8. 8 7. 1 6. 4 11 .3 4. 9 8. 1 ± 0. 5 9. 1 ... 14 .3 12 .7 8. 2 ± 1. 9 C 18 :1 n9 14 .1 20 .4 ± 6 .2 21 .9 27 .2 ...
Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 29–44 : Author(s): Park, H.J. , I. Yeon, E. Han, Y.J. Lee, S.M. Hanchet, G.W. Baeck, Y. Kwon, S.G. Choi, D.W. Lee and C.K. Kang*