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Natural mortality rate in the mackerel icefish (Champsocephalus gunnari) around South Georgia
by age 3 years, the annual survivorship has been estimated (Table 1 and Figure 2). The mean and 95 ... % confidence interval from equations 1 and 2 indicate that survivorship in 1966/67, 1967/68 and 1968/69 was ... (from 2 ) M (from il) n The chi-squared statistic, equation 4, indicates that survivorship was ... 1951,1964 and 1966 (Table 2). 1951 0.68 0.017 0.77 12.0 p < 0.001 0.38 0.26 229 The ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 245–257 : Автор(ы): Everson, I
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Fishery Report 2018: Exploratory fishery for Dissostichus mawsoni in Subarea 88.1
limit for D. mawsoni. 2. The distribution of catch limits to the small-scale research units (SSRUs) in ... : N70: 591 tonnes (19%), S70: 2 054 tonnes (65%); and SRZ: 467 tonnes and a research catch limit of 65 ... were defined in CMs 33-03 and 41-09. 2 Figure 1: Fishery management areas and the Ross ... Subarea 88.1 was 2 680 tonnes (98% of the catch limit of 3 178 tonnes) and the fishery closed on 14 ...
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Supplementary data on exploited stocks in Division 58.5.1 (Kerguelen)
each of the exploited stocks, some new data which have been acquired since these works. 2. METHODS ... classes 2 and 3, and therefore will have hatched from layings of adult stock of three or four years ... (Figure 2) as had been done for the cohorts 1979 and 1982 (Duhamel, 1987). The average length observed ... year to the next (Table 2) in relation to the availability of other exploited species, particularly ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 147–161 : Автор(ы): Duhamel, G.
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Distribution, biomass and characteristics of the Euphausia superba fishery around South Georgia (Subarea 48.3)
. Results of these studies are summarized in this paper. 127 2. SURVEY RESULTS It is not possible ... detailed surveys, which was made from 4 to 13 February 1975, as an example (see below - Survey 2). The ... inshore waters of South Georgia. Table 2 contains important details of the surveys and data obtained ... trawl began (data on trawl openings are shown in Table 2). Each survey conducted with echosounders ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 123–147 : Автор(ы): Latogursky, V.I., R.R. Makarov and L.G. Maklygin
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Fishery Report 2014: Exploratory fishery for Dissostichus spp. in Division 58.4.2
and unregulated (IUU) fishing ..................................... 2 Data collection ... .............................................................................. 2 Biological data........................................................................... 3 ... primarily Antarctic toothfish (D. mawsoni). 2. The current limits on the exploratory fishery for ... the reported catch in this division. 2 Table 1: Catch history for Dissostichus spp. in ...
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Fishery Report 2017: Dissostichus eleginoides South Georgia (Subarea 48.3)
-setting requirements, greatly reduced bird by-catch in this fishery. 2. The current toothfish fishery ... down to 2 250 m. Surface buoys indicate the presence of lines, and vessels typically recover lines ... September and the catch limit for D. eleginoides of 2 750 tonnes, which was allocated to Management Areas ... tonnes in 2004 and 2 tonnes in 2007, all catches have been from within Management Areas B and C. In ...
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Fishery Report 2018: Exploratory fishery for Dissostichus eleginoides in Division 58.4.3a
Antarctic toothfish (D. mawsoni) caught counting towards the catch limit for D. eleginoides. 2. In 2001 ... Japanese-flagged vessel using longlines, one French vessel fished. 2 5. For 2019, one vessel ... 2). The tag-overlap statistic estimates the representative similarity between the size ... wide range of future stock dynamic uncertainty assumptions. Table 2: Annual tagging rate, by ...
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Choosing distance between acoustic survey tacks
processing are given in Figure 2. Errors were random so their absolute values are given. The empirical ... error does not exceed the given values, the average distance between tacks will be equal. Figure 2 ... relationship (2) - 158 - The density values variation coefficient v can be estimated by the data from ... unkown. In order to choose the distance between tacks we find by formula (2) the allowable tactical ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 153-164 : Автор(ы): Kalikhman, I.L., Z.I. Kizner, B.R. Zaripov and W.D. Tesler
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Temporal variability and the interrelationships between CEMP parameters collected on Adélie penguins at Béchervaise Island
выводком, подсчет птенцов, когда 2/3 их вступило в ясельную стадию и при полном вступлении в ясельную ... to 2001/02 seasons. There are approximately 2 000 breeding pairs of Adélie penguins on this island ... / 19 90 18 / 2/ 19 91 2 25 / 10 / 19 91 19 / 11 / 19 91 22 / 11 / 19 91 09 ... / 2/ 19 92 3 23 / 10 / 19 92 16 / 11 / 19 92 20 / 11 / 19 92 04 / 12 / 19 92 ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 75–90 : Автор(ы): Emmerson, L.M., J. Clarke, K.R. Kerry and C. Southwell
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Fishery Report: Dissostichus eleginoides Crozet Island inside the French EEZ (Subarea 58.6)
........................................................................... 2 1.3 Size distribution of catches ........................................................ 2 ... 2. Stocks and areas ......................................................................... 3 ... CCAMLR. 1.1 Reported catch 2. The catch limit of D. eleginoides set by France in its EEZ in Subarea ... °E 50°S 48°S 46°S 44°S B C D 58.6 French EEZ TOP586 FRA EEZ 2 Table 1 ...
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