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Brief comments on the simulation study made by Professor Butterworth on krill fishing by an individual Japanese trawler
questions are raised concerning the simulation study of the Japanese krill fishery carried out by ... Abstract In this paper, three essential questions are raised concerning the simulation study of the ... , the demand for each product can be seen to change from year to year. We do, therefore, agree with him ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 347–350 : Автор(ы): Ichii, T. and Y. Endo
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Environment–krill relations in the South Georgia marine ecosystem
were only expressed strongly in years of extreme conditions. The correlation with water temperature was ... longitudes 20°, 30°, 40' and 50°W. For the period 1973 to 1989, a further sea-ice dataset was available ... ) 0 0 c 70 0 . 5 60 O 8 2 S 5 0 ~ O o 0 W 4 0 - 3 0 r = 0.57 8 30 , 20 - (b) 0 ... -72 0 Year Figure 7: Interannual variation in ice-edge position. 1 - at 30°W in October; 2 - at ... : (a), (b), (c) - in the same year; (d) - ice-edge position at 30°W averaged for December-January and ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 13–30 : Автор(ы): Fedoulov, P.P., E. Murphy and K.E. Shulgovsky
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An iterative model to construct an age/length key to assess the age composition of a new fishery for Dissostichus eleginoides in Chilean waters
los 3 y 20 aiios y la moda estuvo en el grupo de edad 12. En general se aprecia que los machos son ... 14378 1,63 12631 1,44 19 1796 0,20 1760 0,20 20 1058 0,12 1378 0,16 Total 880772 100,00 879866 ... Jun. 9.000 6.000 3.000 8 10 12 .4 16 18 20 Edod eOMPOSICION CAPTUAA EDAD ENE- MAR 1992 ... ~~~~~~--~~---L--~~~~ 2 4 6 8 10 12 14 16 11 20 Edod COMPOSitiON tAPTURA EDAD ABR - "UN 1992 21.000 r ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 11–20 : Автор(ы): Robotham, V. H. and Z. Young U.
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Killer whale (Orcinus orca) and sperm whale (Physeter macrocephalus) interactions with longline vessels in the Patagonian toothfish fishery at South Georgia, South Atlantic
H 302 14 4.6 46 15.2 0 0 I 319 14 4.4 78 24.5 20 6.3 J 712 30 4.2 119 16.7 14 2 K 346 12 3.5 18 ... –20 12 6.5 21–30 2 1.1 Table 4: The times at which interactions occurred with killer whales ... hauling site. Observers reported that when vessels steamed away for between 20 and 30 n miles, killer ... this fi shery as early as 1994 (SC-CAMLR, 1994), but in recent years anecdotal reports by observers ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 111–126 : Автор(ы): Purves, M.G., D.J. Agnew, E. Balguerías, C.A. Moreno and B. Watkins
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Is the attempt to estimate the biomass of Antarctic fish from a multi-species survey appropriate for all targeted species? Notothenia rossii in the Atlantic Ocean sector – revisited
trends in abundance. Despite the closure of the fi shery almost 20 years ago, none of these multi ... properly in the almost 20 years since the fi shery was closed. Two alternatives to the approach generally ... ' –61°05' –61°10' –61°15' –61°20' –56°0' –55°30' –55°0' –54°30 ... ' –60°50' –61°00' –61°10' –61°20' (d) (b) Kock et al. 152 Figure 4: Catches (kg/30 min) of ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 141–153 : Автор(ы): Kock, K.-H., M. Belchier and C.D. Jones
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The use of patent databases to predict trends in the krill fishery
: Percentages of total patents lodged by most patent active countries, in year groups. 0 10 20 30 40 50 ... Applicant control over, and protection of, the patented tech- nology for 20 years (IP Australia, 2010 ... Figure 3: Patents related to uses of krill for Aquaculture purposes, 1973–2008. 0 10 20 30 40 50 ... ts Figure 4: Patents related to uses of krill for Human Use purposes, 1973–2008. 0 10 20 30 40 ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 135–144 : Автор(ы): Foster, J., S. Nicol and S. Kawaguchi
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Distribution and size–age composition of Antarctic krill (Euphausia superba) in the South Orkney Islands region (CCAMLR Subarea 48.2).
+ 3+ 4+ 5+ 2 3 4 5 6 7 2 3 4 5 6 Size–age groups (a) % 20 10 0 –10 –20 –30 29–30 31–32 ... % 70 % 60 % 50 % 40 % 30 % 20 % 10 % 0% 10 0% 90 % 80 % 70 % 60 % 50 % 40 % 30 % 20 % 10 ... % 0% 10 0% 90 % 80 % 70 % 60 % 50 % 40 % 30 % 20 % 10 % 0% 10 0% 90 % 80 % 70 % 60 % 50 ... % 40 % 30 % 20 % 10 % 0% 01 –2 0 Ja n 21 –3 1 Ja n 01 –1 0 Fe b 11 –2 0 Fe b 21 ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 123–134 : Автор(ы): Sologub, D.O. and A.V. Remeslo
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Fish stock assessment survey in Subarea 48.3
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 ... 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 51.00 176 21 20 27 1 4 ... 46.50 36 54.00 203 20 26 28 1 6 43 53 43.70 36 37.00 218 30 27 28 1 9 18 53 45.50 36 28.00 304 30 28 ... 2 2 17 4 55 12.20 34 46.40 176 31 52 3 2 4 37 55 28.00 35 20.20 368 30 53 3 2 6 20 55 25.60 35 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 25–67 : Автор(ы): Everson, I., G. Parkes, K.-H. Kock, S. Campbell, Z. Cielniaszek and J. Szlakowski
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Areal and seasonal extent of sea-ice cover off the northwestern side of the Antarctic Peninsula: 1979 to 1996
four periods of extensive ice cover during the last 18 years. Variability in seasonal timing, areal ... extent, seasonal duration and persistence of sea-ice over multiple years is apparent and is consistent ... ice cover during years between periods of extensive ice cover decreased during the second half of the ... periodicity of five to eight years in ice cover and note a five-year periodicity apparent in the air ... Peninsula indicates that there were four periods of extensive ice cover during the last 18 years ... years is apparent and is consistent with features described by Stammerjohn and Smith (1996) for ice ... cover during the summer months and winter ice cover during years between periods of extensive ice cover ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 65–73 : Автор(ы): Hewitt, R
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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 of ... class; fish from this year class were 20 to 25 cm long in January/February 1976 and 30 to 37 cm in ... (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 ... 30 40 50 60 70 Length (cm) 10 20 30 40 50 60 70 Length (cm) 10 20 30 40 50 60 70 Length (cm ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 165–189 : Автор(ы): Kock, K.-H
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