Search results
-
Investigation of bias in the mark–recapture estimate of toothfish population size at South Georgia
ok s) 0 10 20 30 40 50 60 70 80 90 0 50000 100000 150000 200000 250000 est. population ... 200000 250000 est. population (n) fis hi ng e ff or t (1 00 0 ho ok s) 0 20 40 60 80 100 ... or t (1 00 0 ho ok s) 0 10 20 30 40 50 60 70 80 90 0 50000 100000 150000 200000 250000 est ... (n) 0 50000 100000 150000 200000 250000 P ro je ct ed ta gs (n ) 120 100 80 60 40 20 0 90 ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 47–63 : Author(s): Agnew, D.J., G.P. Kirkwood, J. Pearce and J. Clark
-
Distribution and size–age composition of Antarctic krill (Euphausia superba) in the South Orkney Islands region (CCAMLR Subarea 48.2).
% 70 % 60 % 50 % 40 % 30 % 20 % 10 % 0% 10 0% 90 % 80 % 70 % 60 % 50 % 40 % 30 % 20 % 10 ... % 0% 10 0% 90 % 80 % 70 % 60 % 50 % 40 % 30 % 20 % 10 % 0% 10 0% 90 % 80 % 70 % 60 % 50 % 40 ... : females males Males Females 1+ 2+ 3+ 4+ 5+ 2 3 4 5 6 7 2 3 4 5 6 Size–age groups (a) % 20 10 ... 0 –10 –20 –30 29–30 31–32 33–34 35–36 37–38 39–40 41–42 43–44 45–46 47–48 49–50 51–52 53 ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 123–134 : Author(s): Sologub, D.O. and A.V. Remeslo
-
Phytoplankton distribution in the mixed layer: implication to krill abundance
N e 0 1 2 3 4 0 1 2 3 4 0 0 10 10 20 20 30 30 40 40 /""'. E '--" 50 50 L +-' 0... ID 60 60 -0 70 70 80 80 ... should follow ( 2 ) (Gregg, 1987). Figure 2 shows the dissipation profile for UlO = 1, 5, 10 and 20 ... (dotted line) for N=0.001 rad S-1 and U10=1, 5, 10 and 20 m sec-1 at 61°S. Since N can be an order ... , environment and vertical distribution Marine Ecology -Progress Series 20: 203-206. MOUM, J.N., D.R ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 331–356 : Author(s): Yamazaki, H. and T.R. Osborn
-
Areas of seabed within selected depth ranges in the South-West Atlantic and Antarctic Peninsula regions of the Southern Ocean
°20' 59°30' 60°00' 2.2 8.7 44.6 44.6 956 957 2 62°00' 62°20' 58°30' 59°30' 91.6 2.9 3.7 1.8 1359 ... 1934 3 62°00' 62°20' 57°30' 58°30' 27.6 6.4 12 54 1500 1934 4 62°20' 62°40' 57°30' 58°30' 0 0 0 100 ... 1898 1898 5 62°20' 62°40' 58°30' 59°30' 9.5 2.7 3.2 84.5 1809 1898 6 62°20' 62°40' 59°30' 60°00 ... °00' 57°30' 60°00' 6.6 4.3 20.4 68.8 14417 14740 14 61°00' 62.°00 ' 56°00' 57°30' 1.5 2.4 28.4 67.4 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 49-73 : Author(s): Everson, I.
-
Further computations of the consequences of setting the annual krill catch limit to a fixed fraction of the estimate of krill biomass from a survey
of the biomass estimate which is set as the catch for a 20-year period. Three possible fishing seasons ... for a 20-year period. Three possible fishing seasons are considered. The model extensions requested ... is set as the catch for a 20-year period. Three possible fishing seasons are considered. The model ... de la biomasse estimee sur laquelle est fixbe la capture pour une periode de 20 ans. Trois saisons ... captura en un periodo de 20 aiios. Se han considerado tres posibles periodos de pesca. Los resultados ... D,,,, = 0.2 of its median pre-exploitation level ( P ) 1992). over a 20-year harvesting period. The resul ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 81–106 : Author(s): Butterworth, D.S., G.R. Gluckman, R.B. Thomson, S. Chalis, K. Hiramatsu and D.J. Agnew
-
A rationale for conservation areas within Antarctic waters
~ 5 : I I I I I I - 528 - DEGREES EAST DEGREES WEST I 20 40 60 eo 100 120 140 160 180 160 140 120 100 80 60 11 ... and Erickson, 1977) . 100· 120· - 530 - 60· 80· 100· 120· 140· 160· - 20,000 BREEDING PAIRS ... (from Lubimova, 1982). DEGREES WEST 60 40 20 0 1/ I I " I 55~ Sector 1 I 50~ IO ... Figure 1. 40W 60 120 / Figure 3 - 529 - o 20 "-"l' / ""'\ \\ /,,/ .>' 40 E / 60 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 513-535 : Author(s): Chittleborough, R.G.
-
A functional division of Electrona carlsbergi (Tåning, 1932) area of habitat in relation to the latitudinal zonation of the Southern Ocean
in the Southern Atlantic along two meridional transects at 17° and 20°W in the latitudes from 37°30' to 55°30 ... survey was conducted in the Southern Atlantic along two meridional transects at 17° and 20° ... on distribution of adult and pre-spawning fish and possible spawning areas. 2. MATERIALS AND METHODS From 20 ... encountered in 20 of the 26 hauls. It was found in the catches of two hauls in the Antarctic Zone, four hauls ... ; from 7.0 to 9.5 cm., M=8.20 cm, N=613; from 7.0 to 10.5 cm., M=8.6 cm, N=828; from 7.5 to 10.5 cm ... . J. Antarct. Res, 16: 13-20. VALENTINE, H.R. and J.R.E. LUTJEHARMS. 1983. Oceanic thennal fronts ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 369–395 : Author(s): Zemsky, A.V. and S.A. Zozulya
-
Estimating optimal observer coverage in the Antarctic krill fishery
, 20% of total season hauls sampled for krill and an equivalent or higher sampling proportion ... , 20% of total season hauls sampled for krill and an equivalent or higher sampling proportion ... 52 0 23 6 17 7 75 16 8 34 95 32 Fo ro s 20 02 25 0 90 72 80 28 ... , should be >50% of vessels sampled each season, 20% of total season hauls sampled for krill ... , pour la Géorgie du Sud, au moins, soit fixé à >50% des navires en chaque saison, à 20% du total des ... пробы отбираются каждый сезон, 20% общего числа выборок за сезон, по которым проводится отбор проб ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 139–154 : Author(s): Agnew, D.J., P. Grove, T. Peatman, R. Burn and C.T.T. Edwards
-
[node:field-journal-volume]:37-51
for M. whitsoni 44 Marriott et al. 0 10 20 30 40 50 60 70 80 90 100 0 5 10 15 20 25 30 35 40 45 50 ... 20 30 40 0 20 40 60 80 100 Total length (cm) S no ut –v en t l en gt h (c m ) Males ... % 20% 30% 40% 50% 60% 70% 80% 90% 100% 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 ... 1 is immature, stage 2 is maturing. 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 12 13 14 15 16 17 ...
Science Journal Paper : 37–51
-
Species identification and age estimation for the ridge-scaled macrourid (Macrourus whitsoni) from the Ross Sea
for M. whitsoni 44 Marriott et al. 0 10 20 30 40 50 60 70 80 90 100 0 5 10 15 20 25 30 35 40 45 50 ... 20 30 40 0 20 40 60 80 100 Total length (cm) S no ut –v en t l en gt h (c m ) Males ... % 20% 30% 40% 50% 60% 70% 80% 90% 100% 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 ... 1 is immature, stage 2 is maturing. 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 12 13 14 15 16 17 ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 37–51 : Author(s): Marriott, P., P.L. Horn and P. McMillan