Résultats de la recherche
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The utilization of seabird censuses for krill monitoring
perfiles y las pruebas para detectar la igualdad de las matrices de covarianza demostraron ser capaces de ... significativas. El enfoque mas promisorio parece ser la aplicacion del analisis discriminante. Los desarrollos ... tractable form, defining a model to be applied in hypothesis testing. Results given by each of the ... generated by means of the vector of parametric orthogonal functions : (1) a'(t) = (1/1"2 ),sin t, cos t ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 393-425 : Auteur(s): Marschoff, E.R., J.G. Visbeek and L.R. Fontana
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Depth distribution and spawning pattern of Dissostichus eleginoides at South Georgia
form of the relationship between depth and mean length in August, when the mean length at shallow ... 200 m were used. The linear models are of the form n~eanf isk length (cm) = a + b*D + c,,, + d ... and August. Our data suggest that D. eleginoides form spawning groupings at between 800 and 1 200 m ... the south of the shelf. Agnew et a1 If animals do form spawning or post-spawning aggregations ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 19–36 : Auteur(s): Agnew, D.J., L. Heaps, C. Jones, A. Watson, K. Berkieta and J. Pearce
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Chilean krill fishery: analysis of the 1991 season
. Accordingly, the Chilean National Fisheries Service (CNFS) produced a form to collect haul-by-haul ... 100 co ...r 90 ctl Q) "- 80 ctl .0 ::J 70 Cl) 60 E 0 '-....... 50 .c () 40 ro () 30 ... : Total catch-per-day during 1991. 30 279 Chilean Kri\\ Fishery Analysis of 1991 season 16 ... Fishery Analysis of 1991 season 30~--------~~------------------------1300 /''''\ -.::::- .c UJ Q ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 273–287 : Auteur(s): Marín, V.H., A. Mujica and P. Eberhard
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Krill distribution in the western Atlantic sector of the Southern Ocean during 1983/84, 1984/85 and 1987/88 based on the results of Soviet mesoscale surveys conducted using an Isaacs-Kidd midwater trawl
in the South Georgia marine ecosystem. CCAMLR Science, 3: 13-30. Ichii, T. and M. Naganobu. 1996 ... (30 minutes on average). The vessel speed during trawling was 3 to 3.5 knots. The depth of the trawl ... zone's Sushin and Shulgovsky --+ ---- l 60" 55" 50" 45" 40" 35" 30" Figure 2: Krill ... distribution (g / l 000 m3) in strata 0 to 100 m, 27 January to 16 March 1984. 60" 55" 50" 45" 40" 35" 30 ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 59–70 : Auteur(s): Sushin, V.A. and K.E. Shulgovsky
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A balanced model of the food web of the Ross Sea, Antarctica
shallower than 500 m, 41% of the region has depths 500–1 000 m, and 30% is deeper than 1 000 m. This ... groups, for example, settling of water column detritus to form benthic detritus. Neither seasonal or ... groups (1a) 1 1 n E s j i ij ij ij ii Q P P T U T P - = é ùæ ö÷çê ú= + +÷ç ÷çê úè øë û å ... Detrital groups (1b) 1 1 1 1 ( ) 0 n gE s i ij ij i iij j n j ij i jj P T T T X A Q P D F P ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 1–31 : Auteur(s): Pinkerton, M.H., J.M. Bradford-Grieve and S.M. Hanchet
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Catch-at-age analysis applied to new fisheries: the case of Dissostichus eleginoides
, managed so as to collect series of data which can be analysed in conjunction with stock dynamics models ... = natural mortality 't = research survey duration (in years) R = recruitment t r = age at recruitment t ... Frio Sur V, suggested the following restrictions: • F~O • M = 0.2 • T c = 10 and 10.5 years • b ... parameters of fish stocks. 7 In the absence of a time series of data, efficient use of catch-at-age ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 3–9 : Auteur(s): Zuleta, A.V. and C.A. Moreno
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Results of fish stock assessment survey, South Georgia, December 1987 - January 1988
2 c e n t 1 0 8 6 4 2 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 Length Class (cm ... ) 40 35 P 30 e r 25 c 20 e n 1 5 t 1 0 5 0 Figure 7: 0 0 Dissostichus ... for any subsampling on deck or in the laboratory, and was standardized to 30 minute tows. 21 3 ... form a smaller mode at about 32 cm in 1987/88. Fifty percent of the fish in the 22 - 25 cm size range ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 19-52 : Auteur(s): McKenna, Jr., J.E. and S.B. Saila
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Identifying taxonomic groups vulnerable to bottom longline fishing gear in the Ross Sea region
list of VME taxa to sessile inverte- brates is sensible if the goal is to protect organisms that form ... of anemones may form complex areas where individuals of other taxa find shelter from predation, yet ... a longev- ity class of Low, 10–30 years as Medium, and more than 30 years as High. 111 ... : (L = <10 years; M = 10–30 years; H = >30 years) Growth rate: (L = mature <10 years; M = mature 10–20 ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 105–127 : Auteur(s): Parker, S.J. and D.A. Bowden
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Modelling variability and estimating power to detect change in Adélie penguin fledgling weights
the number of birds weighed in each five-day period from 50 to 30 without substantial loss of power ... each five-day period from 50 to 30 without substantial loss of power. If practical, these findings ... réduire à 30 au lieu de 50 le nombre d’oiseaux pesés par période de cinq jours sans grande incidence sur ... о возможности сократить количество птиц, взвешиваемых за 5-дневный период, с 50 до 30 без ... posibilidad de reducir de 50 a 30 el número de aves que se deben pesar cada cinco días, sin que se ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 191–200 : Auteur(s): Emmerson, L.M., C. Southwell and J. Clarke
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Data on krill (Euphausia superba Dana) consumption by coastal fishes in Division 58.4.2 (Kosmonavtov and Sodruzhestva Seas)
krill consumed is between 166 and 450 million tonnes; of this amount fish consume from 30 to 32 million ... calculated for a depth range of 100 to 500 metres in waters between 30 and 80°E. Krill consumption was ... - - - - C. antarcticus 30 2.04 1 1 - - - - N. ionah 90 3.0 40 108 - - - - T. eulepidotus 5910 3.82 83 18738 ... 166 and 450 million tonnes; of this amount fish consume from 30 to 32 million tonnes (Lubimova ... for a depth range of 100 to 500 metres in waters between 30 and 80°B. Krill consumption was estimated ... de tonnes, dont 30 a 32 sont consommees par des poissons (Lubimova and Shust, 1980; Shust, 1987 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 305–319 : Auteur(s): Pakhomov, Y.A., V.A. Bibik and V.V. Gerasimchuk