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Estimates of circumpolar abundance of Antarctic krill based on recent acoustic density measurements
in numerous areas. Acoustic surveys have been conducted regularly in some areas for nearly 20 years ... of krill abundance has been subject to considerable research over the last 20 years (Greene et al., 1998 ... tonnes per year (a factor of 20) to 100-500 million tonnes per year (a factor of 5). An earlier ... BOSPOCLUHM npoMbIcnoM KpHJlR HaAO 6 y ~ e ~ YYHTbIBaTb Ce30HHbIe M JIOKaJIbHbIe IIOCJIeACTBIUI ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 87–99 : Author(s): Nicol, S., A.J. Constable and T. Pauly
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Distribution of the Soviet krill fishing fleet in the South Orkneys area (Subarea 48.2) during 1989/90
hydrodynamic characteristics of the area, for example a complex current around the islands together ... the north-east of the region. The fleet was observed drifting with the current together with krill ... a complex current around the islands together with topographically-induced effects. Except in November 1989 ... drifting with the current together with krill aggregations. A maximum CPUE (3.8 tonnes/hour) was recorded ... November 11-15 November 16-20 November 21-25 November 26-30 November Number of Vessels ... hydrodynamic characteristics of the area, for example a complex current around the islands together ... the north-east of the region. The fleet was observed drifting with the current together with krill ... c 1 ~ 0 x 6 ~ ~ 1989 r . no 12 HIOHX l990 r.). B 3TOM Ce30He CyAa p a 6 o ~ a n ~ Ha HpOMbICnOBOM YYaCTKe y CeBepO ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 51–62 : Author(s): Sushin, V.A
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Do krill and salps compete? Contrary evidence from the krill fisheries
krill in the catches was evident when both salps and krill were taken together. In the Livingston Island ... krill in the catches was evident when both salps and krill were taken together. In the Livingston Island ... in the catches was evident when both salps and krill were taken together. In the Livingston Island area ... @ H T O ~ ~ ~ H K T O H O M . Ehna nPOaHanM3HpOBaHa MeXrOnOBaX H Ce30HHaX M3MeHYMBOCTb CPOKOB, IIpO~OnX1.1TenbHOCTH H MHTeHCHBHOCTH ... and duration of salp blooms vary greatly between and within years (SC-CAMLR, 1997). Corroboration ... , the duration of the period of high proportion of green krill varied widely among years (Figure 2). Salp ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 205–216 : Author(s): Kawaguchi, S., T. Ichii, M. Naganobu and W.K. de la Mare
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Size at sexual maturity of Patagonian toothfish (Dissostichus eleginoides)
deposition typically takes more than a year (Everson et al., 1996), with the final maturation process ... leading to an enlarged ovary of about 20% of the fish total mass. Spawning occurs in the period July ... and 1997 calendar years were prepared by the CCAMLR Data Manager and provided for the purpose ... , 1993) was used to estimate L,,, together with fiducial limits (= confidence limits) for standard ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 37–46 : Author(s): Everson, I. and A.W. Murray
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Possible effects of different levels of krill fishing on predators – some initial modelling attempts
together with preliminary information on adult survival and breeding success patterns for certain krill ... abundance, by considering a krill dynamics model incorporating recruitment fluctuations together ... , by considering a krill dynamics model incorporating recruitment fluctuations together with preliminary ... level drops, the ratio of good to poor years for krill predators will decrease. The aim of subsequent ... of exploitation is indicated by K. The juvenile (first year) 'survival rate' incorporates the effects ... . These relationships are: 'bad' for each predator, to be interpreted respectively as follow: years in which both ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 79–97 : Author(s): Butterworth, D.S. and R.B. Thomson
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A review of the trophic role of mesopelagic fish of the family Myctophidae in the Southern Ocean ecosystem
- et macroplancton consommee par les Myctophidae met en evidence le niveau eleve d'abondance et de ... . B T ~ O @ I I Y ~ C K O ~ ~ Hepapxmi MNKTO@HA~I UMeIOT CTaTyC KOHCYMeHTOB 300nnaHKTOHa. E0nbLU0e KOnUYeCTBO Me30- H MaKPOnnaHKTOHa ... " to 65"s; sometimes even further south) where ACC waters extend southward. Years of research ... by high concentrations of zooplankton not only during the summer peak, but throughout the entire year ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 71–77 : Author(s): Kozlov, A.N
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Krill (Euphausia superba) distribution in relation to water movement and phytoplankton distribution off the northern South Shetland Islands
deployed at a level of 30 m from the surface because at this level krill concentrations are most frequently ... drogues deployed at a level of 30 m from the surface because at this level krill concentrations are most ... in shallow areas. Water samples were obtained from 11 depth levels (0, 10, 20, 30, 40, 50, 75, 100, 125, 150 ... approximately 20% decline (as compared to last year) in numbers of penguins occupying nests, and made feeding ... with satellite-tracked buoys equipped with curtain drogues deployed at a level of 30 m from the surface because ... d'ancres de cape, deployees a 30 m de profondeur, niveau auquel les concentrations de kriU sont le plus ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 123–140 : Author(s): Ichii, T., H. Ishii and M. Naganobu
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A potential feedback approach to ecosystem-based management: Model Predictive Control of the Antarctic krill fishery
from control theory (Cunningham and CCAMLR Science, Vol. 20 (2013): 119–137 119 A potentIAl ... . The operating model and all processes within the feedback loop have a nominal time‐step of one year ... - vided by the prediction model), in multiple future years, from their TRPs. It also penalises ... year in the optimal sequence define the revised catch limits in the operating model. The sequence ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 119–137 : Author(s): Hill, S.L. and M. Cannon
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The influence of bait quality on the sink rate of bait used in the Japanese longline tuna fishing industry: an experimental approach
. The addition of a 20 g lead sinker to a conventional 20 g tuna hook reduced the sink time of bait bearing ... floated, however, even when thawed. The addition of a 20 g lead sinker to a conventional 20 g tuna hook ... of added weight (sinkers) on the sink rates of bait. Lead sinkers weighing 10 g, 20 g, 30 g, 40 g and 50 ... . Fish with inflated swim bladders floated, however, even when thawed. The addition of a 20 g lead ... sinker to a conventional 20 g tuna hook reduced the sink time of bait bearing a hook alone by 50 ... decongeles, dont les vessies natatoires etaient gonflees flottaient. En fixant un poids de 20 g 3 un hamecon ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 123–129 : Author(s): Brothers, N., A. Foster and G. Robertson
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Fishing intensity of the Soviet fleet in krill fisheries in the southern Atlantic (Subareas 48.2 and 48.3)
of the 20-year fi shing history, the precautionary catch limit had never been approached. Furthermore ... , 2002a). This topic was investigated for those years when there was the greatest recorded fi shing ... intensity. During the two most recent decades, such years occurred in the 1987 to 1991 commercial fi shing ... from that area by Soviet vessels was during the 1988/89 season, but this amounted to only 20 ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 15–35 : Author(s): Kasatkina, S.M. and V.F. Ivanova