Résultats de la recherche
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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
from the area in 1989/1990. File: 10-Bibik-and-Yakovlev.pdf ... survey vessels varied within a range of 10 to 35 tonnes. The biomass of exploitable krill concentrations ... °to750£ 3 1989 Meso 65°50' to 60055'S 37800 28 4 92 3.5±0.6 0.5±0.09 (1 to 10 March) flJ°to690£ 4 ... 68'11 --- , 1166' 52'~O' . 55' 60' 65' '10' 15' 76' ..- $ Figure 2: Density ofkri1l in February/early ... 69 7ri ,flo' 82'W 56' 58' S~' .0' EiZ' 64' 65' 68' '10' 'lZ' , ?4' 76' '18' ao' siT ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 163–173 : Auteur(s): Bibik, V.A. and V.N. Yakovlev
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An assessment of the exploratory fishery for Dissostichus spp. on BANZARE Bank (CCAMLR Division 58.4.3b) based on fine-scale catch and effort data
h (k g) 23 8 - - - - - - 23 8 C - 9 75 - 6 - - 90 R - 10 ... 48 - 10 - - 68 E ff or t D ay s fi sh ed - 15 71 - 9 - - 95 T ... O A (n ) - 1 33 5 8 82 1 - 55 3 - - 10 7 09 T O A (k g) - 40 5 55 ... ( kg ) - - - 34 6 79 - 47 84 34 8 10 74 2 73 B y- ca tc h (n ) - - 2 ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 55–78 : Auteur(s): McKinlay, J.P., D.C. Welsford, A.J. Constable and G.B. Nowara
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CPUEs, body length and greenness of Antarctic krill during 1987/88 season in the fishing ground north of Livingston Island
season, these parameters were examined for each 10-day period of the Japanese krill fishery in the ... la temporada de pesca, se examinaron estos parametros para cada periodo de 10 dias de pesca de ... integrator. Two kinds of CPUEs, body length and greenness of krill were examined for each 10-day period ... difference in both catch/tow and catch/towing time among 10-day periods from early January to late March for ... Figure 5 for each 10-day period. Although mean body length in early January was rather small, 41.8 mm ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 323–338 : Auteur(s): Endo, Y. and T. Ichii
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Observations of fishing operations on a krill trawler and distributional behaviour of krill off Wilkes Land during the 1985/86 season
of fished swarms ranged from 100 m to 10 km with different distributions occurring in different ... to 10 km with different distributions occurring in different fishing areas. While catch per towing ... 100 m a 10 km, la repartition variant selon le secteur de peche. Alors que la prise par temps de ... decidir la direccion de remolque. El tamano de los cardumenes pescados vario de 100 m a 10 km ... 06JIOBJIeHHbIX CKOnJIeHHW BapbHpOBaJIHCb OT 100 M AO 10 KM C pa3JIH'IHbIM pacnpeAeJIeHHeM Ha pa3HbIX ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 335-368 : Auteur(s): Ichii, T.
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Choosing distance between acoustic survey tacks
). The area of the surveyed region S=10 4 square miles. The results of the preliminary survey ... 8 3.7 " 2 10' 2. • · 23,8 ~2, .' • 7.9, 0 9.2 1 ~ ~~~8:7 ",7 B!,5 ~ ~I 6 IS 7~8, ., 4 13.7 I8 ... .' ~ I d" 10% OF 42,0 326.6 96.4-48.0 • _7 I. " _ ' 7 ',' 1,8 ':' : :----=::::::U, - 7 ... . ..... 0\ N - 163 - List of Figures Figure 1 Mathematical models of concentration density fields ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 153-164 : Auteur(s): Kalikhman, I.L., Z.I. Kizner, B.R. Zaripov and W.D. Tesler
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Analyses of acoustic line-transect data from the waters around South Georgia: estimation of krill (Euphausia superba Dana) – biomass
155 786 km 2 was estimated to be 1.8225 x 10 6 tonnes (Coefficient of Variation = 9.5%). This gives an ... estimators (8 to 10) consider the six strata shown in Figure 5. These strata split the sample region on the ... in this case is six strata and transects as sample units (Table 2, line 10), producing an estimate ... 1.816 1.8225 0.04408 (sections as units) 10 Jolly 6 strata 11.70 1.228 1.8225 0.02980 (transects as ... 9260.7 55548.0 10 2 13.29 176.730 9260.7 82074.8 11 3 9.21 20.941 9260.7 84388.0 12 3 16.19 4.319 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 225–243 : Auteur(s): Murphy, E., I. Everson and A. Murray
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Detection and quantitative estimation of krill concentrations by hydroacoustic instruments
following formula : max r max 10 0.2 Sr p • max = ·y·a ac J max where P ac acoustic power, Wt ... of echo signals the same as aboard the Odissey (Jmin = 10 -10 Wt/m2 with the speed of the vessel 8 ... -10 knots and the roughness of the sea up to force 4)], we can calculate -6 2 long (0= 5 . 10 m ... ). the range of detection of an individual krill 4.5 cm 4) By substituting P = 4500 Wt, y = 2500, -10 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 123-139 : Auteur(s): Yudanov, K.I.
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Performance and geometry of the FP-120 trawl used during UK fish stock assessment surveys around South Georgia, Subarea 48.3
the order of a 10 to 14% increase, depending upon species. File: 04pilling-parkes.pdf ... the order of a 10 to 14% increase, depending upon species. Resume Les auteurs examinent ... obtenues par une equation anterieure. La difference entre les estimations de biomasse est de l'ordre de 10 ... . BbITe~a~owee OTCIoAa PaCXoXAeHlle B OqeHKaX ~ H O M ~ C C ~ I BbIpaXaeTCX B 10-14% YBenMYeHRe, - B ... del orden de 10 a 14%, dependiendo de la especie. Keywords: bottom trawl, swept area,. South Georgia ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 51–69 : Auteur(s): Pilling, G. and G. Parkes
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Results of Soviet investigations of the distribution and ecology of pelagic squids (Oegopsida) in the Southern Ocean
are not included in the list of species contained in Table 1, Relying on the data summarised by ... from 32°-34°s to 68°-10° S, i.e. from the eub-tropical zone to high Antarctic latitudes. The most ... Antarctic (up to 68°-10°s) in southward moving streams of the ACC. Scientists observe cases where ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 79-111 : Auteur(s): Lubimova, T.G.
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Status of the Polish FIBEX acoustic data from the West Atlantic
(1986): M V B S = ~ O ~ O ~ L - ~ O ~ O ~ A R - S L - V R + 20 log R. + 2aRo - 10 log (c 212) - 10 ... mm) data: (10-120 m), SL is the source level (224.1 dB 1 l yPa ref. lm), VR is the receiving ... , in making such a comparison, various important issues must be taken into account; these include ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 125–132 : Auteur(s): Trathan, P.N., J. Kalinowski and I. Everson