Search results
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Trawl bag selectivity in the Champsocephalus gunnari fishery
measured on deck by means of dividers when catches exceeded three tonnes. 4. RESULTS Data obtained from ... experiment are presented in Table 4 on ICSEAF SELDAT Form 1. A trawl-bag selectivity curve was constructed ... from these data (Figure 4). The method of sliding means (Treschev, 1974) was used to calculate ... 4 5 6 7 1 312 17.06 12.05 11 3000 25 2 313 11 13.55 10 2000 10 3 314 11 15.37 20 4500 51 4 315 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 295–312 : Author(s): Bidenko, V.G. and I.G. Istomin
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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
1989. Fisheries information from the area was con- fi ned to catches of 10 130 and 4 320 tonnes of ... avail- able for two seasons, 1978/79 and 1979/80. Polish Kock et al. 4 and GDR vessels fi shed ... ., 1 99 4) . 2 Id en ti fi ed a s C hi on od ra co k at hl ee na e (s ee Iw am i ... 27–35 cm long with a peak at 29.6 and 31.7 cm (Figure 4) (Anon., 1987; Sosinski and Skora, 1988 ...
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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Fishing ground selection in the Antarctic krill fishery: trends in patterns across years, seasons and nations
@aad.gov.au K. Taki and M. Naganobu National Research Institute of Far Seas Fisheries 2-12-4 Fukuura ... , fishing season, etc).’ In Figure 4 the size of the symbols denotes the rela- tive importance of the SSMU ... Figure 4 illustrates the importance of fishing grounds within each quarterly period for each major ... over the entire period (Figure 4). Figure 5 indicates how the distribution of catch and effort in ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 117–141 : Author(s): Kawaguchi, S., S. Nicol, K. Taki and M. Naganobu
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Comparison of age readings from scales and otoliths of the Patagonian toothfish (Dissostichus eleginoides) from South Georgia
AND METHODS Age 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 2 1 22 23 ... 981.05 3 579.58 4 104.30 4 565.27 5 120.28 5 655.08 6 002.62 6 325.08 6 707.18 7 069.12 7 ... Figures 3 and 4. b 8.7105 0.8769 55.3934 0.9008 Comparison between Both Structures Results ... 4 A is replaced with its estimate. Having obtained 'a' from the regression of the HS radius on ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 191–203 : Author(s): Cassia, M.C
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A generalised model for evaluating yield and the long-term status of fish stocks under conditions of uncertainty
Butterworth et al. (1994) where: 0 ; h(a + t) < l, - I,) ; l, < h(a, t) < l, ; h(a,t) > 1, (4 ... (equations 4 and B), the corners may be cut by linear interpolation, as shown in Figures 3a and 4a ... where the krill grow in the first three months (90 days), the median spawning time is in month 4 (Day ... is derived from piecewise continuous functions of its component functions (equations 3 and 4). The ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 31–54 : Author(s): Constable, A. and W.K. de la Mare
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Characteristics of krill swarms from Prydz Bay
) =p. A,2. (4/1t).w.O'v = intercepted swarm length (m) = swarm thickness (m) = target strength s v ... ping rate after 30 km, but Figure 4 clearly shows that mean swarm biomass index started increasing ... before the 30 km point. 4. DISCUSSION The analysis was hampered by the change in ping rate after 1808 ... ~ Z 0 H 8 I:t: 0 ~ 0 I:t: ~ (a) 0.20 - -- 0.15 - - c- f- 0.10 - - 0.05 - h I I 1 4 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 177–189 : Author(s): Agnew, D.J. and I.R. Higginbottom
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Comparative feeding ecology of Patagonian toothfish (Dissostichus eleginoides) in the southwestern Atlantic
CCAMLR Scie~zce, Vol. 4 (1997): 105-124 COMPARATIVE ... KOHTHHeHTaJIbHOM IIIeJIb@e/c~noHe MeXAy 4 6 ° - 5 5 0 ~ . ~ . H 60"-64"3.~., H ROKPYr IOXHOW reoprm Memay 53 ... sex; individuals of indeterminate sex ( 4 % ) were excluded from the analysis. Food items present ... full stomachs (Tables 3, 4 and 5). A similar low percentage of full stomachs (11%) had been found by ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 105–124 : Author(s): García de la Rosa, S.B., F. Sánchez and D. Figueroa
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Modelling variability and estimating power to detect change in Adélie penguin fledgling weights
periods 2–4 but most fre- quently in period 3 (Table 1). Monitoring scenario Development of the models ... period TotalYear 1: 10–14 Feb 2: 15–19 Feb 3: 20–24 Feb 4: 25 Feb–1 Mar 5: 2–6 Mar 1: 1990 ... –1991 50 50 2: 1991–1992* 50 50 50 150 3: 1992–1993* 50 44 94 4: 1993–1994* 50 50 21 121 ... , estimated mean weights for the periods 2–5 are: period 2: 3 347 g; period 3: 3 196 g; period 4: 3 045 g ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 191–200 : Author(s): Emmerson, L.M., C. Southwell and J. Clarke
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Age determination of Notothenia gibberifrons from the South Shetland Islands, Antarctic Peninsula subarea (Subarea 48.1)
age-length for N. gibberifrons from both localities. Potter Cove and Low I. fishes ranged from 4 to ... ), however, no data were obtained for the first 1-4 year age groups. Therefore, growth curves were not ... fitted. 4. DISCUSSION Fishes of larger sizes were absent in our samples (only one specimen from Low I ... . 150 Table 1: Specimen No. 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 Comparison of age ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 143-160 : Author(s): Barrera-Oro, E.
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Fishing for toothfish using pots: results of trials undertaken around South Georgia, March–May 2000
been soaking for longer periods (soak times varied from 4 h 25 min to 40 h 35 min, with an average ... 801 177 13 4 Table 3: Comparison of toothfish catches from pot and longline fishing vessels Method ... /Eook, 830&g per 5 km line Table 4: Mean number of the most abundant seabird S ecies observed during ... of the vessel during setting and hauling are shown in Table 4. Observations were also made of the ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 93–105 : Author(s): Agnew, D.J., T.M. Daw, G.M. Pilling and M.G. Purves