Search results
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Distribution and relative abundance of Antarctic toothfish (Dissostichus mawsoni) on the Ross Sea shelf
in the southern Ross Sea were sub-adult and maturing fish, typically ranging from 60–130 cm in length, with some ... and maturing fish, typically ranging from 60–130 cm in length, with some evidence for an ontogenetic ... Ross Sea were sub-adult and maturing fish, typically ranging from 60–130 cm in length, with some ... maturation, en général de 60 à 130 cm de longueur ; une migration ontogénétique d'est en ouest liée à la ... предвзрослыми и созревающими особями, обычно в диапазоне длин 60–130 см; имелись некоторые свидетельства ... sur del Mar de Ross fueron peces subadultos e inmaduros, por lo general de 60–130 cm de talla ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 33–51 : Author(s): Hanchet, S.M., S. Mormede and A. Dunn
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An assessment of toothfish in Subarea 48.3 using CASAL
was also estimated. This essentially accounts for any extra variance (on top of observation error ... . 72 By comparing estimates obtained using all data up to 2005 with an assessment using only data ... biomass of 50 600 tonnes (95% CI 36 400–64 700) for 2004 and 51500 tonnes (42 600–60 400) for 2005 ... SSB must not drop below 20% of the median B0 more than 10% of the time. 2. The final SSB must have ...
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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Review of length-weight relationships for Antarctic krill
3.35 22-42** 49 mostly adolescent Clarke (1976) April 0.0018 3.3436 20-61 1085 spent Sahrhage (1978 ... . (1981) FebIMarch 0.00385 3.20 26-59 3299 gravid-spent Morris et al. (1988) April 0.0017 3.4327 20-60 ... biomass (25% for wet weight and a 35% deviation for dry weight between the results obtained for different ... (SIBEX). Archiv.fur Fischereiwissenschaft, 37: 51-72. SIEGEL, V. 1989. Winter and spring distribution ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 145–155 : Author(s): Siegel, V.
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The status of krill (Euphausia superba DANA) resources in CCAMLR Statistical Divisions 58.4.2 and 58.4.3 from 1988 to 1990. Results of acoustic surveys
" W W ~ W ~ .~ f::-:::J < ~O~ ~ J ~ < 20.0 FZ2l < 250 lTIIIl1ll
72" 74' 7G ... carried out over the whole area (south of 600 S between 60 and 80° E) and, in particular, in the southern ... was obtained during the period under consideration. In the open ocean this area falls between 60° and 75 ... °E; near the coast - between 60° and 69°E. The following set of hydroacoustic equipment was used ... Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 163–173 : Author(s): Bibik, V.A. and V.N. Yakovlev
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Estimating the impact of depredation by killer whales and sperm whales on longline fishing for toothfish (Dissostichus eleginoides) around South Georgia
1 and 4 animals, and have a relatively lower impact on catches, depressing CPUE by up to 20%. Sperm whales have ... to 20%. Sperm whales have been more frequently encountered in recent years, occurring in larger pod ... d (% ) 100 90 80 70 60 50 40 30 20 10 0 May June July August West East ... Li ne s K IW o bs er ve d (% ) 100 90 80 70 60 50 40 30 20 10 0 May June ... = low CPUE. 0% 20% 40% 60% 80% 100% 2002 2003 2004 2005 2006 2007 2008 2009 2010 C PU ... E as % o f C PU E in s et s w ith ou t a ny c et ac ea n pr es en ce 0% 20% 40% 60% 80% 100 ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 163–178 : Author(s): Moir Clark, J. and D.J. Agnew
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Revised estimates of the area of the South Georgia and Shag Rocks shelf (CCAMLR Subarea 48.3)
–1 00 10 0– 15 0 15 0– 20 0 20 0– 25 0 25 0– 30 0 30 0– 35 0 35 0– 40 0 40 0– 45 0 45 ... 54 35 2 30 273 385 1 125 467 35 30 28 31 2 406 17 54.5 39 0 0 0 15 57 47 26 20 12 8 185 18 54.5 38 ... 57 35 1 141 27 55.5 35 0 0 0 0 14 34 25 25 10 20 128 Totals 1 855 1 901 7 510 10 172 11 510 5 516 ... 178 125 82 894 8 53.5 38 16 126 389 813 354 270 186 144 60 36 2 394 9 53.5 37 75 141 1 193 633 296 378 ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 167–175 : Author(s): Belchier, M. and P. Fretwell
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Analysis of the diet of Champsocephalus gunnari at South Georgia in late summer from 1994 to 1997, Dr Eduardo L. Holmberg surveys
C. gunnari B 3aBHCIIMOCTA OT AnEiHbl He yKa3aJI Ha Cy~eCTBOBaHMe ~a~of i -nK60 CeneKTMBHOCTn npa sb16ope ... of variation) of about 20% or smaller, while a sample size of 25 ensures CVs of at least 10%. We established ... in the analysis. At least in 60% of the stations in 1995 (6O0/0), 1996 (61%) and 1997 (61%) n was 225. In 1994 ... around SR. Around SG, its frequency of occurrence at the stations increased from 72% in 1994 to 84 ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 103–123 : Author(s): Barrera-Oro, E., R. Casaux and E. Marschoff
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A first step towards modelling the krill–predator dynamics of the Antarctic ecosystem
to the hypothesis of a krill surplus in the mid-20th century is described, and the information on population ... surplus in the mid-20th century is described, and the information on population and trend levels that has ... . The background to the hypothesis of a krill surplus in the mid-20th century is described, and the information ... décrivent le contexte de l’hypothèse d’un surplus de krill au milieu du 20e siècle et discutent des ... в середине 20-го столетия и рассматривается информация об уровнях популяции и изменений, которая появилась ... the end of the 18th century, followed by whales at the start of the 20th century. More recently finfish ...
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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Preliminary results of a bottom trawl survey around Elephant Island in October and December 1987
54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 n 192 age class ... >- () 5 c Q) ::J 0- Q) '- '+- 60 j 50 i ::1 20 10 Figure 7: 196 10 20 Notothenia neglecta --- Oct. [n= 133] - Dec ... aceratus Oct. [n-2163] - Dec. [n - 1135] Notothenia rossii marmorata Dec. [n - 291] 60 40 20 ... using a 140' bottom trawl with a small meshed liner of 20 mm. Sampling depth varied from 65-458 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 185-200 : Author(s): Kock, K.-H.
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Revised age and growth estimates for Antarctic starry skate (Amblyraja georgiana) from the Ross Sea
generated that suggest much slower growth, greater ages-at-maturity (about 20 years compared with 6–11 years ... growth, greater ages-at-maturity (about 20 years compared with 6–11 years) and greater maximum ages ... c le ng th (c m ) 0 20 40 60 80 Reader 1 (N = 216) Reader 2 (N = 98) Reader 1 Reader 2 Francis ... vi c le ng th (c m ) 80 60 40 20 0 Reader 1 (N = 216) Reader 2 (N = 98) Reader 1 Reader ... 40 P el vi c le ng th (c m ) 0 20 40 60 80 100 120 140 A. georgiana This study ... 40 P el vi c le ng th (c m ) 140 120 100 80 60 40 20 0 A. georgiana This study ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 211–220 : Author(s): Francis, M.P. and M.J. Gallagher