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Preliminary results of investigations of the Federal Republic of Germany on Notothenia rossii marmorata (Fischer, 1885) in January/February 1985
Ishlnd is still under investigation t!1i~ paper deals mainly with the South Georgia stock. 2 ... (see KOCK, 1985). For estimacing size <'It ,,ex?1al m,'.lturi t)' fii:;h have been grouped in 2 cr.1 ... conbncd to Lhe east and southeast of the island where yields varied beLween 2 and 5100 kg/30 min. 'Ihe ... s.ingle specimens were found in other parts of the shelf. '.).2 Biom£1ss esLimate The biomass ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 33-57 : Autor(es): Kock, K.-H.
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Analysis of variability of krill size and fish by-catch in the Japanese krill fishery based on scientific observer data
Agency 2-12-4 Fukuura, Kanazawa, Yokohama Kanagawa 236-8648, Japan Email – okudy@affrc.go.jp ... are shown in Figure 1 (krill length) and Figure 2 (number of by-catch fish). A summary de- scription ... 000µ (2) ( )2~ N 0,i Yα σ (3) ( )2~ N 0,j Aβ σ (4) ( )2~ N 0,ij YAγ σ (5) where ijY is the ... and the terms 2Yσ , 2Aσ and 2 YAσ , which were the variance of αi, βj and γij respectively ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 31–47 : Autor(es): Okuda, T. and M. Kiyota
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Analysis and modelling of the Soviet Southern Ocean krill fleet, II: Estimating the number of concentrations and analytical justification for search data
important to know the temporal persistence of concentrations of krill. 2. THE SEARCH FOR CONCENTRATIONS ... concentrations. Figures 2 to 5 show the spatial location of hauls, ignoring the timing of hauls, for each of the ... same concentration. It is not as clear if concentrations 1 and 2 are indeed the same concentration ... -south extent. The simplest estimate for the radius of the concentration is then r=«A>/n)1/2. We can ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 283–322 : Autor(es): Mangel, M.
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Trawl bag selectivity in the Champsocephalus gunnari fishery
engineer 1.0. Istomin (VNIRO) who were greatly assisted by the scientific team and the crew. 2. SCHEDULE ... , atmospheric temperature from -1 ° to +2° and surface water temperature about 1.3°. No strong currents were ... trawler with a displacement of 2 120 tonnes and a main engine of 2 000 hp. Fishing gear was a standard ... (Figures 1 and 2). The triple-cable rigged (cable length - 100 m) trawl was equipped with a ground rope ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 295–312 : Autor(es): Bidenko, V.G. and I.G. Istomin
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A declining trend in the abundance of Notothenia rossii marmorata and Notothenia gibberifrons observed in fjords in two sites in the South Shetland Islands
literature, are also made. 2. METHODS Samples were obtained using trammel nets (length 25, 35 and 50m ... was not controlled, with the result that various yields were obtained per haul (Figure 2). Potter ... significance is demonstrated by the ANOV A results (Table 2). Published information on fjord-fish taken at ... . The data series obtained at Potter Cove seems to start after the onset of a declining trend (Figure 2 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 263–274 : Autor(es): Barrera-Oro, E. and E. Marschoff
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Distribution and relative abundance of Antarctic toothfish (Dissostichus mawsoni) on the Ross Sea shelf
was prepared for the Second Workshop on Fisheries and Ecosystem Models in the Antarctic (FEMA 2 ... , 2005). Further defined is the slope as the 600–2 000 m depth interval on the northern slope of the ... and 2007 before dropping to 2 300 tonnes in 2008, partly as a result of the reduction in catch limit ... . Location of fishing The location of D. mawsoni catches has varied considerably over time (Table 2). Of ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 33–51 : Autor(es): Hanchet, S.M., S. Mormede and A. Dunn
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Fishing intensity of the Soviet fleet in krill fisheries in the southern Atlantic (Subareas 48.2 and 48.3)
. The locations of fi sh- ing grounds are shown in Figures 2 and 3. In Sub- area 48.3 fi shing begins ... eet comprised BMRT type trawlers (large freezer stern trawlers) with a main engine power of 2 000 to ... shing system chosen was a trawler with an engine power of 2 000 to 2 400 hp operating with an RT 74 ... area of the grounds, as indicated in Figures 2 and 3, so that they remained in localities with a ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 15–35 : Autor(es): Kasatkina, S.M. and V.F. Ivanova
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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
TpeM5I pa3MepHbIMH rpyrmaMH: 7 -2 2/23 CM, 22-31 CM H 31-49 CM. EWIU SbIt1HCJIeHhI SeJIHt1HHbI ... 2/111. MATERIALS AND METHODS Catch data have been collected from 249 hauls. For biological ... (Figure 2). In research catches, two length groups of fish were present: 14-22 cm and 22-46 cm with ... the 60 mm trawl in 1985/86 2 • The same may be said when analysing length distributions for both ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 65-97 : Autor(es): Kreft, K. and J. Szynaka
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Sensitivity analysis for parameters of predatory species CCAMLR Ecosystem Monitoring Program
are described in the following section. 2. DATA ACQUISITION AND CHARACTERISTICS 2.1 Parameter A 1 ... sample size to detect a given 'true' difference between means is: n ~ 2(sd/,6,)2 {ta,[v] + t(1-p,[v]F ... -tailed StUdent's t-table with v degrees of freedom and corresponding to probability 2(1-P) (Sokal and ... power are given for these various parameters in the Tables 2 to 7. The effect of number of years of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 411–432 : Autor(es): Whitehead, M.D.
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Growth and age/length structure of populations of Notothenia (Lepidonotothen) squamifrons (Nototheniidae) in various areas of the Indian sector of the Southern Ocean
the biology of the Indian Ocean sub-species. 2. MATERIALS AND METHODS The material was collected ... of coefficient "a", however, varies from area to area (Table 2). Irrespective of the sample, the ... increase per-unit-Iength among large fish (more than 25 cm) (Figure 2). These changes are most likely the ... this period linear growth is 3 to 5 cm per year. Linear growth decreases by a maximum of 2 cm in ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 123–139 : Autor(es): Zaitsev, A.K.