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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 ... span of Antarctic krill (4–7 years; Ikeda et al., 1985), krill populations consist of multiple ... 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 ... fluc- tuations in mean krill length in the three subareas are shown in Figures 4(a) to 4(c), and the ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 31–47 : Автор(ы): Okuda, T. and M. Kiyota
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Estimates of fish stock biomass around South Georgia in January/February 1985
ser dudoso el efecto que estas tengan en la recuperaci6n de las reservas. - 4 - l Introduction ... . Length frequency distribution (fig. 4) indicate that the offshore part of the pripulation was probably ... & BUREAU, 1984, table 50). 3.4 Champsocephalus gunnari Except for one haul yield i ng 1. 4 t/30 min ... estimate was considerably biased by the single haul of l.4 t . Furthermore the benthopelagic mode of li ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 1-32 : Автор(ы): Kock, K.-H.
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Homogeneity of body length composition of Antarctic krill within the commercial zone
fairly stable (Figure 4). This may indicate that the proportion of various size classes differed from ... compositions. Data Set Type of Length Number of DF X2 p Set Composition Samples -1- -2- -3- -4- -5- -6- 1 ... b 3 26 13.091 0.9831 2 m 3 12 26.091 0.0104* 3 m 2 12 16.767 0.1586 4 b 2 18 15.523 0.6258 5 b 2 ... 2 2 2 2 2 2 2 2 2 -4- -5- -6- 15 8.134 0.9183 14 53.427 0.0000** 18 8.444 0.9713 15 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 17–28 : Автор(ы): Ichii, T.
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Movement, growth and available abundance to the fishery of Dissostichus eleginoides Smitt, 1898 at Heard Island, derived from tagging experiments
примерно 850 мм. Было отмечено перемещение 4 особей на большое расстояние, что противоречит остальным ... обычного для этих участков диапазона размеров, переместилась с участка A к Кергелену. Эти 4 особи ... , which is derived from the time series of recruitments of age 4 fi sh estimated for HIMI since 1986 ... 22 10 7 20 4 30 6 Fi sh in g gr ou nd C 23 7 50 51 0 18 7 39 13 9 25 Pl at ea u ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 33–48 : Автор(ы): Williams, R., G.N. Tuck, A.J. Constable and T. Lamb
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The biology, ecology and development of fishery management advice for the anomuran crabs at South Georgia (CCAMLR Subarea 48.3)
folded under the carapace and not obvious externally. In all Belchier et al. 4 species the sexes ... some species (Table 3) as well as length–weight relationships (Table 4). Growth In common with all ... S ub ar ea 4 8. 3. C L – ca ra pa ce le ng th ; C W – c ar ap ac e w id th ... 00 80 –1 4 00 21 4– 1 04 3 64 –1 25 Si ze -a t-m at ur ity (m m ) – m al ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 1–15 : Автор(ы): Belchier, M., T. Peatman and J. Brown
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Distribution of fish larvae at South Georgia: horizontal, vertical, and temporal distribution and early life history relevant to monitoring year-class strength and recruitment
information on fish biology gained from these studies of relevance to CCAMLR, especially to item 4 of the ... Cumberland East Bay. Nototheniops larseni larvae of 15-55 mm SL occurred only over the shelf (Figure 4 ... TRANSECTS AROUND BIRD ISLAND, SOUTH GEORGIA, 4 FEBRUARY TO 5 MARCH, 1986 Methods Samples were taken ... necessary to sample the whole water column, and to sample during darkness to reduce net avoidance. 4 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 105-141 : Автор(ы): North, A.W.
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Krill biomass in Area 48 and Area 58: recalculations of FIBEX data
4 in Appendix II of this paper (Anon., 1986 - equation 4). As described above, the Central ... Tables 2, 4 and 6) use the original Anon. (1986) estimates of density and biomass for Nella Dan unless ... Ocean sectors are given in Table 4. Table 4 is comparable with Table X in Anon. (1986). In the West ... values. 4. SOME IMPLICATIONS ARISING FROM RE-ANALYSIS OF THE FIBEX RESULTS In carrying out the re ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 157–181 : Автор(ы): Trathan, P.N., D.J. Agnew, D.G.M. Miller, J.L. Watkins, I. Everson, M.R. Thorley, E. Murphy, A.W.A. Murray and C. Goss
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Factors affecting the incidental mortality of seabirds in the Dissostichus eleginoides fishery in the southwest Atlantic (Subarea 48.3, 1995 season)
and 4% D. exulans have a higher mortality when nights D. chrysostoma. are brighter. Birds which have ... (Table 4), the most vulnerable birds were P. aequinoctialis (77.8%, 1 111 birds), followed by M ... XXlIl Mar del Sur Arbumasa XX Total Trip 1 Trip 2 0 3 15 2 6 0 0 2 6 0 0 3 0 0 0 0 3 0 0 0 0 4 0 0 ... 4 0 0 5 0 0 0 0 5 0 0 0 0 2 0 0 2 0 0 1 0 1 0 0 2 0 3 24 2 13 0 0 42 Common Name Southern ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 79–91 : Автор(ы): Moreno, C.A., P.S. Rubilar, E. Marschoff and L. Benzaquen
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Assessments of by-catch in trawl fisheries at Heard and McDonald Islands
0.256 0.308 0.248 0.418 0.870 0.392 0.356 0.212 0.529 Table 4: Estimates of weight-length ... 670 mm C. rhinoceratus 5.142 E-10 3.398 2 561 0.95 B. irrasa %N %kg 1 5 4 4 16 30 2 ... . The estimates of parameters are shown in Table 4. Characteristics of the Spawning Stocks The ... Prospecting 184 3 Prospecting 12 4 Target D. eleginoides 32 5 TargetD.eleginoides 176 6 Target C. gunnari ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 231–243 : Автор(ы): Constable, A.J., R. Williams and W.K. de la Mare
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Surface water circulation in krill fishing areas near the South Shetland Islands
austral summer. Each buoy was deployed with a drogue (curtain type - 4 m long X 1 m wide in 1990/91 ... KYMT net samples during the 1987/88 cruise of the RV Kaiyo Maru (Figure 4). RESULTS Waters north ... Orkneys for 20 days before drifting to South Georgia. Buoy 4, deployed in the shelf region, moved east ... krill catches (Figures 3 and 4). Fishing usually begins in January (Figure 3). Ichii and Naganobu ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 125–136 : Автор(ы): Ichii, T. and M. Naganobu
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