Search results
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Fitting Euphausia superba into Southern Ocean food-web models: a review of data sources and their limitations
. Observations that krill occupy the underice layer, the 0–10 m layer, the deeper water column and the benthos ... the underice layer, the 0–10 m layer, the deeper water column and the benthos have fundamental ... to combine them are recommended. Observations that krill occupy the under- ice layer, the 0–10 m layer ... for CCAMLR stock assessment (Table 2) sample from the near surface (typically ~10 m depth for acoustics ... -round (Brierley et al., 2002; Flores et al., 2012b). The sec- ond is the 0–10 m layer of the open ocean ... ‐r ich parts of kril l’s range Krill in 0‐10 m l ayer missed by acoustic surveys: small habitat ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 219–245 : Author(s): A. Atkinson, S. Nicol, S. Kawaguchi, E. Pakhomov, L. Quetin, R. Ross, S. Hill, C. Reiss, V. Siegel, G. Tarling (submitted to the 2008 Joint CCAMLR-IWC Workshop)
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Preliminary report on biological observations and exploratory fishing data collected in the South Georgia area during the 1985/86 cruise of MT Carina
of C. gunnari was observed between the second and third 10-day periods in December, while for P. georgianus ... increase in feeding intensity of C. gunnari was observed between the second and third 10-day periods ... . A rapid increase in feeding intensity of c. gunnari was observed between the second and third 10-day ... a ete observee - 67 - entre la seconde et la troisieme periode de 10 jours en decembre, alors que ... aumento en la intensidad de . alimentacion de C. gunnari entre el segundo y el tercer periodo de 10 dias ... " is used here to mean a period of 10 days - Editor - 72 - Fishing operations concentrated in the same ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 65-97 : Author(s): Kreft, K. and J. Szynaka
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Towards an initial operational management procedure for the krill fishery in Subareas 48.1, 48.2 and 48.3
parameters would probably lie between (C c =1 million tonnes; c r =15%) and (C c =2 million tonnes; c r =10 ... parameters would probably lie between (Cc=1 million tonnes; cr=15%) and (Cc=2 million tonnes; cr=10 ... parameters would probably lie between (Cc=l million tonnes; cr=15%) and (Cc=2 million tonnes; cr=10 ... =10%). Des suggestions sont faites pour la poursuite d'autres etudes sur des procedures possibles de ... ; cr=10%). BHOCSITCSI npe.z:.JlO>KeHHSI no .z:.aJlbHei:tmeMY HCCJle.z:.oBaHHIO B03MO>KHbIX BapHaHTOB ... acumuladas deberan ser 10 mas voluminosas posible, sin que exista una gran probabilidad de que se necesite ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 189–219 : Author(s): Butterworth, D.S.
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Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?
to monitor krill biomass in survey grids covering between 10 000 and 125 000 km 2. Cautious extrapolation ... covering between 10 000 and 125 000 km2. Cautious extrapolation from these local monitoring ... in three of the subareas to monitor krill biomass in survey grids covering between 10 000 and 125 000 km2 ... biomass falling to 20% of the reference level at any time should be no more than 10%. Constable et al ... % of the reference level) and one of the ‘acceptable limits’ on risk (10% probability of falling below 20 ... 1981/82 258 596 1981/82 48.3 256 206 1986/87 312 134 1986/87 48.4 10 1982/83 19 1972/73 Total 619 ...
Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 31–51 : Author(s): Hill, S.L., A. Atkinson, C. Darby, S. Fielding, B.A. Krafft, O.R. Godø, G. Skaret, P.N. Trathan and J.L. Watkins
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Characteristics of krill swarms from Prydz Bay
. File: 10-Agnew-and-Higginbottom.pdf ... encontrados a 10 largo de un transecto de 78 km, efectuado en la plataforma continental cercana a la ... or because of noise. In the analysis the minimum BSD was set to 10 m and the minimum ISL to 2 m, to ensure ... (G. Hosie, pers. comm.), and the equations TS = -127.45 + 34.85 log 10 (length in mm) (TS relationship ... using MVBSswarm = 10 IOglO ~i=::.!...l __ n where n = number of ping/depth intervals in the swarm ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 177–189 : Author(s): Agnew, D.J. and I.R. Higginbottom
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Biological characteristics of Antarctic fish stocks in the southern Scotia Arc region
fishing since the closure of the region some 10 years ago. Differences in length-weight relationships ... of the region some 10 years ago. Differences in length-weight relationships between areas were primarily due ... no evidence of illegal fishing since the closure of the region some 10 years ago. Differences in length ... OKOJIO 10 JleT Ha3aA. Pa3JIB9iSI B OTHOUleHMM AnHHa-BeC MeXAy PerHOHaMM 661na B OCHOBHOM CBSI3aHbI ... el periodo de 1977/78 a 1981/82. Exceptuando 10s stocks de isla Elefante, hasta 1998 poco se habia ... durante 10s primeros cuatro afios de la pesqueria comercial se extrajeron capturas substanciales y hubo ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 1–41 : Author(s): Kock, K.-H., C.D. Jones and S. Wilhelms
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Phytoplankton distribution in the mixed layer: implication to krill abundance
. File: 10-Yamazaki-and-Osborn.pdf ... mezcla en la capa superior es menor de 10 esperado. Sin embargo, el efecto en la dinamica es vital ... and Bransfield strait water is weak, and mixed layers are not apparent. Since wind speeds were typically 10 ... -latitudes for wind speeds of 10 m S-1 show mixing to approximately 65% of the Ekman depth (Lueck, 1989 ... should follow ( 2 ) (Gregg, 1987). Figure 2 shows the dissipation profile for UlO = 1, 5, 10 and 20 ...
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
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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
in 1989/1990. File: 10-Bibik-and-Yakovlev.pdf ... ° and 62°30'E. Daily catches by scientific survey vessels varied within a range of 10 to 35 tonnes ... 12±4 - (February) flJ°to750£ 3 1989 Meso 65°50' to 60055'S 37800 28 4 92 3.5±0.6 0.5±0.09 (1 to 10 ... I<'\. "" '\. '\."'1',>, '\. '\. "" ~I < < < <:: < .I~ , 1 ~ sf 63'W _ - >600 S~"" ~ t 65' 65" bS' 6i sr 68'11 --- , 1166' 52'~O' . 55' 60' 65' '10 ... 6> 6~' 65" 66 6i 69 7ri ,flo' 82'W 56' 58' S~' .0' EiZ' 64' 65' 68' '10' 'lZ' , ?4' 76 ...
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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Analyses of acoustic line-transect data from the waters around South Georgia: estimation of krill (Euphausia superba Dana) – biomass
km 2 was estimated to be 1.8225 x 10 6 tonnes (Coefficient of Variation = 9.5%). This gives ... estimators (8 to 10) consider the six strata shown in Figure 5. These strata split the sample region ... is six strata and transects as sample units (Table 2, line 10), producing an estimate of the mean ... (sections as units) 10 Jolly 6 strata 11.70 1.228 1.8225 0.02980 (transects as units) 11 Jolly 3 temp ... 8 2 8.10 37.424 9157.8 49174.5 9 3 6.75 1.702 9260.7 55548.0 10 2 13.29 176.730 9260.7 82074.8 11 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 225–243 : Author(s): Murphy, E., I. Everson and A. Murray
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Krill biomass in Area 48 and Area 58: recalculations of FIBEX data
: 10-Trathan-et-al.pdf ... in Anon. (1986) were derived using a TS value of -68.10 dB for a mean animal length of 41.4 mm ... an adjustment factor (-10 • log(120/50) = -3.80) to provide the following revised TS/length equation at 50 kHz ... adjustment factor (that is -10 • log(120/200) = + 2.22). This provides a new TS/length relationship at 200 ... ) 884.0 0.75 48.90 3.66 29.57 48.1 Walther Herwig (South West) 6099.5 2.83 37.24 10.54 35.00 Central ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 157–181 : Author(s): Trathan, P.N., D.J. Agnew, D.G.M. Miller, J.L. Watkins, I. Everson, M.R. Thorley, E. Murphy, A.W.A. Murray and C. Goss