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Low genetic diversity in the Antarctic toothfish (Dissostichus mawsoni) observed with mitochondrial and intron DNA markers
, and precipitated with 70% ethanol at –20°C (adapted from Taggart et al., 1992). The DNA pellets were ... air dried and resuspended in 40 µl sterile water and stored at –20°C. Two classes of markers, mtDNA ... performed in 20 μl volumes for a minimum of 4 h, following the manufacturer’s recommendations (New England ... the 13 recaptures, there was one long-distance movement, almost 800 km north (72°S) after 3.3 years ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 43–51 : Автор(ы): Smith, P.J. and P.M. Gaffney
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Identifying taxonomic groups vulnerable to bottom longline fishing gear in the Ross Sea region
: (L = <10 years; M = 10–30 years; H = >30 years) Growth rate: (L = mature <10 years; M = mature 10–20 ... a longev- ity class of Low, 10–30 years as Medium, and more than 30 years as High. 111 ... years; H = mature >30 years or evidence for sporadic recruitment events) Fragility: (L = Flexible ... live longer than the 30 years estimated for more shal- low species (McFadden, 1991; Cordes et al ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 105–127 : Автор(ы): Parker, S.J. and D.A. Bowden
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Sea-surface temperature and krill catches around South Georgia in December–February 1989–1991 and 1999–2001
Subarea 48.3, which includes satellite surveys with GOES-E, Meteosat and in situ monitoring, together with ... conducting a krill fishery in the area during the entire year. The reliability of these forecasts could be ... includes satellite surveys with GOES-E, Meteosat and in situ monitoring, together with further analysis ... could be verifi ed only by comparing forecasts with actual krill catches for a number of years. The ... the Weddell Sea waters on the shelf, were extremely weaker during these years. Under such ... 2000. Document WG-EMM-00/20. CCAMLR, Hobart, Australia. Vanyushin 170 45 50 55 Figure 1 ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 165–174 : Автор(ы): Vanyushin, G.P
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Commercial krill fisheries in the Antarctic, 1973 to 1988
split-years; a split-year being the twelve month period from 1 July in one year to 30 June in the next ... . The catch year is designated according to the second of the two split-years. Krill ST ATLANT data ... commercial basis. The primary aim of this paper is to review krill catches over the past fifteen years ... in 1985/86 and subsequently levelled off at about 370 000 tonnes in the remaining years. From Figure ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 229–281 : Автор(ы): Miller, D.G.M.
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Estimates of circumpolar abundance of Antarctic krill based on recent acoustic density measurements
conducted regularly in some areas for nearly 20 years, and there is now a good appreciation of the range ... abundance has been subject to considerable research over the last 20 years (Greene et al., 1998), and it ... able to narrow the estimates of production from 75- 1 350 million tonnes per year (a factor of 20) to ... values within that range. In recent years there has been considerable research into the distribution ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 87–99 : Автор(ы): Nicol, S., A.J. Constable and T. Pauly
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An assessment of the merits of length and weight measurements of Antarctic krill Euphausia superba
animal has little effect upon length-weight relationships. The use of categories of sex and maturity ... prediction. Surprisingly, the stage of the moult cycle of the animal has little effect upon length-weight ... Universitat Kiel, Dusternbrooker Weg 20, 2300 Kiel, Federal Republic of Germany. Les relations publiees des ... prediccion. Sorpendentemente, la etapa del ciclo de muda del animal tiene poco efecto sobre las ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 371-373 : Автор(ы): Morris D.J., J.L. Watkins, C. Ricketts, F. Buchholz, and J. Priddle
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Modelling and decision making as part of the CCAMLR management regime
of CCAMLR Article II. Eight attributes (purpose, description, variables, driving forces, time ... fishing. 5 years. 1 year unless there is a seasonal influence ·on the population. Data limited ... and prey biomass. Harvest of predators and prey. 5 years. 1 year unless there is a seasonal ... biomass. Prey biomasses and harvesting. 5 years. 1 year unless there is a seasonal influence on the ... effective management of the Antarctic marine ecosystem within the requirements of CCAMLR Article 11. Eight ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 295-322 : Автор(ы): Miller, D.G.M.
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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 ... the catches was evident when both salps and krill were taken together. In the Livingston Island area ... years (SC-CAMLR, 1997). Corroboration of this hypothesis requires the analysis of any available ... duration of the period of high proportion of green krill varied widely among years (Figure 2). Salp by ... salp blooms may occur in different periods in some years. Do Krill and Salps Compete? When ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 205–216 : Автор(ы): 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)
leading to an enlarged ovary of about 20% of the fish total mass. Spawning occurs in the period July to ... 1996 and 1997 calendar years were prepared by the CCAMLR Data Manager and provided for the purpose ... fitted curves. Genstat procedure 'FIELLER' (Lane, 1993) was used to estimate L,,, together with ... language of bioassay - see Finney, 1978, Chapter 20) to cater for the situation where a proportion (propn ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 37–46 : Автор(ы): Everson, I. and A.W. Murray
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A potential feedback approach to ecosystem-based management: Model Predictive Control of the Antarctic krill fishery
- ment derive from control theory (Cunningham and CCAMLR Science, Vol. 20 (2013): 119–137 119 A ... model), in multiple future years, from their TRPs. It also penalises interannual variability in ... simulations. Parameter Value MPC prediction horizon N = 20 Input bounds Umin = [400 400]T Umax = [1 000 ... %, the area- specific biomasses of harvested species must remain above 20% of their respective pre ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 119–137 : Автор(ы): Hill, S.L. and M. Cannon
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