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Sensitivity analysis for parameters of predatory species CCAMLR Ecosystem Monitoring Program
. Sensitivity analyses were conducted on data from colonies 3 and 4. 2.5 Parameter A7 - Fledging Weight It ... sampling on the required sample size is also considered. 4. SUMMARY Before continuing field work aimed ... standard deviation (sd) are indicated. Colony n x ro 1 5 162 3.03 2 3 53 1.00 3 4 104 6.38 4 4 74 ... Smallest Difference (d) (5 %) 30 51 (% Current Value) ( 1 0 %) 9 1 4 Table 3: Parameter A2: Length 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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The Patagonian toothfish (Dissostichus eleginoides) fishery in the Kerguelen Islands (Indian Ocean sector of the Southern Ocean)
- ing) to stage 4 (ripe), then to stage 5 (recovery) gives a good estimate of the exact spawning period ... because the hooks used are too big. Lord et al. 4 Once the normality was checked, variance analyses ... 4). Trawl CPUE fluctu- ated a good deal between 1983 and 1991, ranging from 1 tonne/hour to 3 ... recent fishing years. Indeed, it was about 4 tonnes/hour at the begin- ning of the 1990s and was, at the ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 1–25 : Autor(es): Lord, C., G. Duhamel and P. Pruvost
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Preliminary results of investigations of the Federal Republic of Germany on Notothenia rossii marmorata (Fischer, 1885) in January/February 1985
measured 4S - 55 c111 (fig. 4). Mec1.11 length was 49.9 cm (H1ales: 50.2 cm, fema- les: ':il.L cm). The ... South Georgia are set out in t8hl.e 4. Data b;isc for from J::lephant Lhe estimation of r,_ l for ... males from SouLh ,I Islanrl was small (Iig. 6-8). Values .int.able Georgia and females 4 arc ... 40 cm are caught (h.g. 4). Due to the lack of quan- Lit:ative informati.on on recruitment from hoth ...
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 trends in Japanese krill fishery CPUE data, and its possible use as a krill abundance index
days trawled per fishing season. Kawaguchi et al. 4 (iii) in the ‘Discussion’ and ‘Conclusions ... shing efforts across years Figure 4 shows predicted number of tows per day (NTPD) and towing time per ... then, especially for the past 10 years (Figure 4). The annual production of the Japanese krill fi ... data in Subarea 48.1. CCAMLR Science, 4: 47–63. Kawaguchi, S., S. Nicol, K. Taki and M. Naganobu ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 1–28 : Autor(es): Kawaguchi, S., S. Candy, S. Nicol, K. Taki and M. Naganobu
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Estimation of krill (Euphausia superba) mortality and production rate in the Antarctic Peninsula region
preserved in 4% buffered formalin seawater solution. Krill was always sorted completely from the entire ... given in Table 4. In both seasons 1987/88 as well as 1989/90 age group 1+ was scarce and represented ... only 1.5% and 2.3% of the krill stock, respectively (Table 4). Age class 2+ was by far the most ... contributed only 4.4% to the stock size which was much less than the proportion of the older 4+ age group ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 159–176 : Autor(es): Siegel, V.
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By-catch, growth and feeding of Antarctic juvenile fish taken in krill (Euphausia superba Dana) fisheries in the South Georgia area, in 1992
C. gunnari u N. larseni B p e 3 y n b ~ a ~ e npunosa oqeHusaeTclr cooTseTcrBeHHo B 34,3 4 8,O r ... ind./tonne krill) and true (4 815 k 109 ind./tonne krill) mean abundances of C. gunnari juveniles ... In Sample Ind. /tonne Krill 3 300 11 550 13 520 111 4 440 307 15 350 208 4 160 2 40 83 ... 360 164 16 400 Nototheniops lavseni In Sample Ind. / tonne Krill 4 400 177 8 850 61 2 440 ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 129–142 : Autor(es): Pakhomov, E.A. and S.A. Pankratov
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Age, growth and mortality of Patagonian toothfish (Dissostichus eleginoides) caught off Kerguelen
approximately 3–4 minutes until brown. Using the grinding wheel of a HillQuist Thin Section machine, each ... , and to the data pooled for both sexes. The model HΩ (equation 4) was generated, in which parameters ... data: 0: 1 i ij i K t t ij iH l L eΩ ∞ (4) ∞ 0: 1 ij K t t w ijH l L e (5) where lij is the ... for the Northern Pride, and by age 4 for the Kerguelen de Trémarec. Since the ages of fi sh sampled ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 29–41 : Autor(es): Ashford, J., G. Duhamel, C. Jones and S. Bobko
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Champsocephalus gunnari stock status in the South Georgia area
BeJIHl.IHHe rrpOMbICJIOBoti CMepTHOCTH F ,l\JI5I OCHOBHbIX rrpOMbICJIOBbIX B03paCTHbIX rpynn (2-4 rO,l\a ... B ce30H 1989/90 r. 4. 3AKJIIO lIEHI1E AHaJIH3 COCT05IHH5I 3anaca H npOMhlCJIa ~YKOBH,l\HOti ... 147,1 175,8 189,0 4 0,35 270,7 276,0 281,2 313,4 297,2 255,4 291,8 308,0 5 0,35 405,8 411,9 418,0 ... 31,1 27,8 21,8 2 0,35 79,0 87,8 81,9 70,6 3 0,35 163,3 175,8 167,4 151,0 4 0,35 276,0 291,8 281,2 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 1-18 : Autor(es): Borodin, R. and P. Kochkin
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Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald Islands using catch-at-age and aged mark-recapture data from the main trawl ground
)) but with the modification that fish below age 4 could be esti- mated to have non-zero selectivity ... estimates was 0.9970. The values for F corresponding to the MLE of M are given in Table 4. The ... fishing years modelled (Table 1). Figure 4 shows the –2 log-likelihood value (L) for the profile values ... rate of 0.05. All joint mini- misations of L for profiled values of M successfully converged. Figure 4 ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 29–45 : Autor(es): Candy, S.G., D.C. Welsford, T. Lamb, J.J. Verdouw and J.J. Hutchins
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Midwater trawl catchability in relation to krill and possible ways of assessing gross catch
(4) where p - concentration of krill per unit volume (l/m3) 1 - time (seconds) x - spatial ... effect of the trawl. In order to obtain the single correct solution from the system of equations (4) it ... : Pt=<>= 0 (7) By solving the system of equations (4) numerically using the conditions specified (5 ... 92 • mean standard deviation of horizontal extent of swarms, O'I,(metres) 4 • mean swarm ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 87–113 : Autor(es): Zimarev, Yu.V., S.M. Kasatkina and Yu.P. Frolov