Search results
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Diurnal variations in biological characteristics of krill, Euphausia superba Dana, to the west of the South Orkney Islands, 24 March to 18 June 1990 - based on data reported by a biologist-observer
IT over periods from 8 to 10, 12 to 14 and 22 to 24 hrs (the proportion of males was 29.8, 41.2 and 33.3 ... , 1990). Station Time Number of Hauls Number (samples) I 27 to 29 March 10 11 10 to 11 April 12 ... ITI 10 to 11 May 9 N 26 May 12 V 9 to 10 June 11 VI 16 June 10 209 ... \ 210 ... , M - males, F - females at selected points of Station I. 212 St I I I} 8 -10 h o iI ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 201–222 : Author(s): Vagin, A.V., R.R. Makarov and L.L. Menshenina
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Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea, Antarctica
are consistent with this view: (fdf = 2 = 14.597; P(FDF = 2 > fDF = 2|H0) = 1.0220 x 10–6). The data ... . The rest contained the remains of crus- taceans, fish and squid (Table 10). All of the possible prey items ... is shown by the symme- try in Figure 10(a); the clustering of points about the zero-line in Figure 10 ... (b); the one-to-one lineFigure 10(b); the one-to-one line10(b); the one-to-one line in Figure 10 ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 139–165 : Author(s): Sutton, C.P., M.J. Manning, D.W. Stevens and P.M. Marriott
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Length-at-age in juvenile Patagonian toothfish (Dissostichus eleginoides)
. 9 (2002): 1–10 LENGTH-AT-AGE IN JUVENILE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) J. Ashford ... 3+ 55.0 1.39 26 4+ 61.3 1.21 10 Table 2: Age–length key for Dissostichus eleginoides, based on 280 fish ... 6 33 45 1 65 3 50 5 3 55 7 1 60 2 9 3 65 2 5 1 70 2 1 1 70+ 1 1 Total 6 121 113 26 10 2 1 1 Prop. 0.021 ... (end of opaque zone and beginning of the following year’s translucent zone). Total length (cm) 10 ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 1–10 : Author(s): Ashford, J., C. Jones, S. Bobko and I. Everson
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Results of fish stock assessment survey, South Georgia, December 1987 - January 1988
striking. By 1985 the stock was estimated to be less than 10% of its pristine size (Kock 1985 ... ), and 1987/88. 2. METHODS The 1987/88 survey took place between 19 December 1987 and 10 January 1988 ... population had dropped to less than 10% of this value (Kock 1985). It has continued to drop even at this low ... has dropped by over 10 cm. The decreasing mean size shows the removal of large, sexually mature ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 19-52 : Author(s): McKenna, Jr., J.E. and S.B. Saila
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Detection and quantitative estimation of krill concentrations by hydroacoustic instruments
of detection of an individual krill (r ) can be made by the following formula : max r max 10 0.2 Sr p • max ... or EK-120 and conditions of registration 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 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 123-139 : Author(s): Yudanov, K.I.
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The Patagonian toothfish (Dissostichus eleginoides) fishery in the Kerguelen Islands (Indian Ocean sector of the Southern Ocean)
periods per month (1–10, 11–20, 21–end of the month). The transition from stage 3 (matur- ing) to stage ... (high seas) + β8 depth + β9 depth2 + β10 year. There are 11 parameters in this model (the vessels ... season (spring) + β7 bait (mackerel) + β8 bait (sardine) + β9 bait (squid) + β10 bait (mixed) + β11 ... (Figure 10). The data series shows that the average depth of the longline has increased since 1998 ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 1–25 : Author(s): Lord, C., G. Duhamel and P. Pruvost
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Krill (Euphausia superba) distribution in relation to water movement and phytoplankton distribution off the northern South Shetland Islands
a estas profundidades. Como es 10 usual, las concentraciones de krill mas importantes se encontraron en ... with the yearly catches of 10 000 to 70 000 tonnes for the past eight years. This region, because ... in shallow areas. Water samples were obtained from 11 depth levels (0, 10, 20, 30, 40, 50, 75, 100, 125, 150 ... and the depth range from 10 to 200 m or to the bottom if shallower. The top level of the integration depth, 10 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 123–140 : Author(s): Ichii, T., H. Ishii and M. Naganobu
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Joinville–D’Urville Islands (Subarea 48.1) – a former fishing ground for the spiny icefish (Chaenodraco wilsoni), at the tip of the Antarctic Peninsula – revisited
. Fisheries information from the area was con- fi ned to catches of 10 130 and 4 320 tonnes of the spiny ... of adult females caught (n = 10) suggested that C. rastrospinosus was in the middle of the spawning ... 3 are shown in Figures 10 and 11. Males were more advanced in gonad development than females. The GSI ... T. hansoni 36 24.8 8196 10.5 3.5 1 A. skottsbergi 10 15.0 247 27.4 2.7 1 P. macropterus 33 11.0 2233 7.1 ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 1–20 : Author(s): Kock, K.-H., L. Pshenichnov, C.D. Jones, K. Shust, K.E. Skora and Zh.A. Frolkina
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Revised age and growth estimates for Antarctic starry skate (Amblyraja georgiana) from the Ross Sea
, and the other three readings were carried out over a period of 10 days. These last three readings were ... . APE and CV were both about twice as high (7.6% and 10.7% respectively) for reader 1 on counts taken ... . The CV for reader 1 (10.7%) compares favourably with those for shark age estimates, for which the CV ... is usually higher than 10% (Campana, 2001). There was no apparent bias between the two readings of reader ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 211–220 : Author(s): Francis, M.P. and M.J. Gallagher
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An alternative method for estimating the level of illegal fishing using simulated scaling methods on detected effort
to calculate the desired multiplier P: i i i i F P D = ∑ ∑ (10) Note that i i F∑ includes both ... : • 10% coverage – one patrol of 10 days in each 100 day period; • 25% coverage – 15-day patrols ... of coverage in the case in which there are 10 illegal cruises acting in the fi shery and an eva- sion level ... to 10% coverage by only two fi shery patrols. Figure 5 indicates that when the level of coverage ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 143–161 : Author(s): Ball, I