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The Scientific Committee on Antarctic Research (SCAR) Annual Report 2015/2016
have recently met on several occasions to strengthen the relationship by identifying current questions ... re-affirmed at meetings of the two groups at the joint CEP/SC-CAMLR Workshop on Climate Change in ... ;- A broad scale analyses of Antarctic animal tracking data;- A research voyage around the South ... ice sheets 6. Author(s): Submitted by SCAR Title: The Scientific Committee on Antarctic Research ...
Meeting Document : SC-CAMLR-XXXV/BG/26 : Автор(ы): Submitted by SCAR
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Preliminary assessment of mackerel icefish Champsocephalus gunnari in Subarea 48.3 – Based on the 2019 Groundfish Survey
tonnes) within Statistical Subarea 48.3. Projections for the 2019/20 and 2020/21 seasons applying the ... 2020/21. Author(s): T. Earl Title: Preliminary assessment of mackerel icefish Champsocephalus gunnari ... survey catch rate data indicated a biomass of 53,124 tonnes (lower one sided 5th percentile: 32,399 ... CCAMLR harvest control rule lead to catch limits (TAC) of 3,225 tonnes for 2019/20 and 2,132 tonnes for ...
Meeting Document : WG-FSA-2019/30 : Автор(ы): T. Earl
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Effects of orientation on acoustic scattering from Antarctic krill at 120 kHz
, had substantial freedom to move, and showed more or less random orientation. One thousand echoes were ... collected per animal. Orientation data were recorded on video. The acoustic data were analyzed and target ... animal orientation. Use of these scattering patterns with orientation data from shipboard studies of E ... . superb a DWBA scattering model is proposed that is scalable by animal length. With good orientation ...
Meeting Document : WG-EMM-99/42 : Автор(ы): D.E. McGehee (USA), R.L. O’Driscoll (New Zealand) and L.V. Martin Traykovski (USA)
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Distribution of krill (Euphausia superba Dana) catches in the South Shetlands and South Orkneys
December to March was taken within 40 km of the coast, and 90% within 80 km in all years 1988-1990. In 1987 ... the literature are used to show that for some years, at distances of between 20 and 60 km from ... Abstract: Zones of 20 km width are defined around selected colonies of penguins distributed ... and 1988 75% of the catch in Subarea 48.2 between December and March was taken within 80 km of ...
Meeting Document : WG-KRILL-92/19 : Автор(ы): D.J. Agnew (Secretariat)
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The state of exploited fish stocks in the Southern Ocean - a review
Union since more than 20 years. The total yield from the Southern Ocean has been 2.85 million tonnes ... until the season 1989/90. About two thirds of the catches have been taken in the Atlantic Ocean sector ... (mainly South Georgia) while the remaining one third originated primarily from the Kerguelen waters in the ... . Champsocephalus gunnari around South Georgia has recovered two times from low stock sizes following heavy fishing ...
Meeting Document : SC-CAMLR-X/BG/13 : Автор(ы): Delegation of Germany
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Krill catches and consumption by land-based predators in relation to distance from colonies of penguins and seals in the South Shetlands and South Orkneys
March was taken within 40 km of the coast, and 90% within 80 km in all years 1988-1990. In 1987 and 1988 ... Abstract: Zones of 20 km width are defined around selected colonies of penguins distributed ... 75% of the catch in Subarea 48.2 between December and March was taken within 80 km of colonies in the ... are used to show that for some years, months and zones of distance from the shore the catch of krill ...
Meeting Document : SC-CAMLR-X/BG/07 : Автор(ы): Secretariat
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Towards an initial operational management procedure for the krill fishery in Subareas 48.1, 48.2 and 48.3
reductions may prove necessary during the 20 year period considered. Simulation tests, including one ... ;Composite Index" proposed by the Workshop on the krill CPUE simulation study. Annual TAC039;S are ... as the average CPUE over that time. Thereafter TAC039;S may increase by Cr% per annum. However ... 039;s CPUE values fall below a target level of 0.75 CPUEref. An operating model of kril1 dynamics in ...
Meeting Document : SC-CAMLR-VIII/BG/17 : Автор(ы): Delegation of South Africa
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Preliminary report of sound-speed contrast and density of krill measured on board RV Kaiyo Maru
, morphology, orientation, and material properties of krill are required. There are two important material ... properties: one is the ratio of the density of the animals to that of the surrounding water (density contrast ... ) and the other is the ratio of the sound speed in animal to that in the surrounding water (sound-speed ... 25.1mm and 48.6mm were 1.0442 and 1.0348, respectively. Author(s): Y. Takao, H. Yasuma, R. Matsukura and ...
Meeting Document : WG-EMM-05/36 : Автор(ы): Y. Takao, H. Yasuma, R. Matsukura and M. Naganobu (Japan)
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Fishing and conservation in southern waters
. The former Soviet Union has been the most important fishing nation, taking 80-90 % of the entire catch ... with the 1970039;s and 1980039;s, when most fisheries were subsidized, economic considerations and ... the 1990039;s. Author(s): Delegation of Germany Title: Fishing and conservation in southern waters ... and the Kerguelen Islands. After 15 years of exploitation, most fish stocks have been heavily depleted ...
Meeting Document : SC-CAMLR-XII/BG/11 : Автор(ы): Delegation of Germany
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Direct ageing of Antarctic krill (Euphausia superba) – potential utility of eyestalk sections for age determination
performed. First, longitudinal sections of the eyestalk from known age krill (2+ and 3+ years old) were ... seasons. Marks consistent with annuli observed in laboratory raised krill were observed. Length at age ... ) and fall on the line for two and three year old krill. If validated, the technique should allow the ... Antarctic Division and examined using the methods outlined in (Kilada et al. 2012). Two analyses are ...
Meeting Document : WG-EMM-15/45 : Автор(ы): C. Reiss (USA), R. Kilada (Canada) and S. Kawaguchi (Australia)
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