Search results
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Changes in the fish biomass around Elephant Island (Subarea 48.1) from 1976 to 1996
from 1978/79 to 1988/89, with most of the commercial harvesting taking place in the first two years ... /89, with most of the commercial harvesting taking place in the first two years of the fishery ... ; fish from this year class were 20 to 25 cm long in January/February 1976 and 30 to 37 cm in January ... -year-old fish (15-20 cm long) made up a considerable proportion of the fish caught during the survey ... (cm) Length (cm) Length (cm) 5 10 15 20 25 30 35 40 45 50 55 Length (cm) Length (cm ... (cm) 10 20 30 40 50 60 70 Length (cm) 1976: no data 10 20 30 40 50 60 70 Length (cm) 10 20 ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 165–189 : Author(s): Kock, K.-H
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Fish stock assessment survey in Subarea 48.3
the previous year and is not an artefact of the sampling technique or survey design. 30 Further evidence ... deg min deg min m min 1 22 1 6 13 53 19.80 42 44.30 463 27 2 22 1 10 10 53 28.40 42 18.20 232 30 ... 3 22 1 14 20 53 26.00 41 48.00 146 29 4 22 1 18 50 53 37.00 42 7.00 168 30 5 23 1 4 23 53 33.50 41 ... 1 4 25 53 38.00 38 6.00 188 30 18 26 1 11 58 53 48.20 38 23.80 183 30 19 26 1 14 32 53 38.00 37 51.00 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 25–67 : Author(s): Everson, I., G. Parkes, K.-H. Kock, S. Campbell, Z. Cielniaszek and J. Szlakowski
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Krill (Euphausia superba Dana) resources and distribution in the Wilkes Land area in the seasons 1986 to 1989
to 30 June. Split-year is denoted by the calendar year in which the split-year ends, i.e., 1989 ... the years of observation was from 1.4 to 2.3xl()6 tonnes to the east of the Balleny Is (to 600W) and from ... of the survey area was eventually reduced slightly. As it turned out, during each year of observation ... for Fisheries and Research Fleet, USSR Ministry for Fisheries 3 The annual period used is the split-year 1 July ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 149–162 : Author(s): Dolzhenkov, V.N. and V.P.Timonin
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Bias in the estimation of krill yield from using a deterministic formulation of the median unexploited spawning biomass
for 20 years and 30 years were undertaken for all combinations of y and fishing season. The results ... -year projection perio . Table 2: Escapement of spawning biomass at the end of 20 and 30-year ... ). The median ratio of spawning biomass after 20 and 30 years relative to median So in each run with no fishing ... spawning biomass. The projection period was 20 years. A subset of runs was undertaken to examine ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 1–8 : Author(s): Constable, A.J. and W.K. de la Mare
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Analysis of trends in Japanese krill fishery CPUE data, and its possible use as a krill abundance index
o f t ot al Residuals P er ce nt o f t ot al 0 5 10 15 20 25 30 -150 -100 -50 0 50 100 150 ... Log10CPT 0 10 20 30 40 -1.5 -1.0 -0.5 0.0 0.5 1.0 -4 -2 0 2 4 -1.5 -1.0 -0.5 0.0 0.5 1.0 ... P er ce nt o f t ot al Quantiles of standard normal Residuals Log10CPD 0 10 20 30 40 ... 5000 6000 7000 5000 10000 15000 20000 25000 0 D J F M A M J J A S O N 0 10 20 30 40 50 ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 1–28 : Author(s): Kawaguchi, S., S. Candy, S. Nicol, K. Taki and M. Naganobu
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Age determination of Champsocephalus gunnari Lönnberg, 1905 (Channichthyidae) taken in the South Georgia area in 1990
by Akademik Knipovich had three peaks corresponding to size groups of 16-18, 24-26 and 30-34 cm. Only vertebra ... peaks in size composition correspond with fish of the 1987 and 1985/86 year classes. The first small ... peak corresponds with the strong 1988 year class. File: 17-Kochkin.pdf ... three peaks corresponding to size groups of 16-18, 24-26 and 30-34 cm. Only vertebra samples (n=140 ... three peaks corresponding to size groups of 16-18, 24-26 and 30-34 cm. Only vertebra samples (n=140 ... composition correspond with fish of the 1987 and 1985/86 year classes. The first small peak corresponds ... with the strong 1988 year class. Re.sume En janvier/fevrier 1990, la Grande-Bretagne et l'URSS ont mene deux ... aux groupes de taille de 16 a 18, de 24 a 26 et de 30 a 34 cm. La determination des ages n'a ete ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 285–293 : Author(s): Kochkin, P.N.
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The survivorship of rays discarded from the South Georgia longline fishery
- sideration. Normally only skates that are alive and undamaged are selected, with animals not being deemed ... hours, with observations being made at 6 and 12 hours to establish the condition of each animal ... in live animals and a pale pink or white in dead animals; (v) when removed from the tank, live animals ... and gill area in live animals. Common reactions observed in live skates: pectorals and tail curl under ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 155–164 : Author(s): Endicott, M. and D.J. Agnew
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Analysis of variability of krill size and fish by-catch in the Japanese krill fishery based on scientific observer data
Bayesian model. The models were composed of multistage cluster units (i.e. year, subarea, vessel, cruise ... estimated by the Markov chain Monte Carlo (MCMC) method hardly show difference among years, subareas ... and vessels. The potent interaction effect between year and subarea suggests large spatio–temporal variability ... units (i.e. year, subarea, vessel, cruise and haul) based on a state–space model, separating ... th (m m ) 60 50 40 30 20 (a) Adult size in Subarea 48.1 Overall trend Year E st im ... Year E st im at ed m ea n le ng th (m m ) 60 50 40 30 20 (c) Adult size in Subarea ... 40 30 20 (e) Year Area Y–A Ves. Cruise Haul Ind. Va ria ... . ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 0 10 20 30 40 50 ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 31–47 : Author(s): Okuda, T. and M. Kiyota
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Small scale krill surveys: simulations based on observed euphausiid distributions
0 0.0 0.1 20% change in mean density 30% 40% 50 ... propositions de modeles de campagnes d'evaluation. La simulation met en jeu un certain nombre de voies ... arperaU;Hl1 3B
30BaHO B u;eJI5IX MO,l{eJIHpOBaHH5I ... opraHH30BaHHbIX pa3pe30B, npOXO,l{5III\HX lIepe3 TpH pacnpe,l{eJIeHH5I, Ka:>K,l{Oe H3 CCAMLR Secretariat, 25 ... Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 245–256 : Author(s): Agnew, D.J. and S. Nicol
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New data on spawning, hatching and growth of Champsocephalus gunnari on the shelf of the Kerguelen Islands
enabled a new cohort of fish to be identified each year. However, annual variations in abundance have been ... observed. During the sampling period the 1988 cohort was dominant on the outer shelf. The three-year cycle ... each year. However, annual variations in abundance have been observed. During the sampling period ... the 1988 cohort was dominant on the outer shelf. The three-year cycle observed previously seems ... 1971/72, yielded annual catches up to 30 000 tonnes in the first years of exploitation (Gerasimchuk ... by bottom trawl (30' duration; 12 to 20 stations, depending on weather and bottom conditions, total 150 ... of 1991/92 (Figure 3) . This group was also r - - - ' , ' i " " " ' " " " ' I " " 0 10 20 30 ... ). l J l l l l l / , , , 3 I " " " " I " " . I ' I ' ' " ' E a 0 10 20 30 2. 0 Total length (cm) 3 5 m 77 Figure3: Monthly LFDs for C. gunnari ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 21–34 : Author(s): Duhamel, G