Search results
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A study of Patagonian toothfish (Dissostichus eleginoides) post-tagging survivorship in Subarea 48.3
d r an d om s el ec ti on o f fi sh . 10 4 22 N on e ou t o f 1 5 an im al s w hi ch ... . 10 9 6 N o ad d it io na l d ea th s oc cu rr ed af te r 12 h ou rs ... 94 Isla Santa Clara 16 100 Viking Bay 12 92 pa rt ia l f or fi sh .c on di tio n 0 5 10 ... l f or fi sh .c on di tio n 0 5 10 fish.condition 1g oo d 2a ve ra ge 3p oo r fish.length.cm ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 279–289 : Author(s): Agnew, D.J., J. Moir Clark, P.A. McCarthy, M. Unwin, M. Ward, L. Jones, G. Breedt, S. Du Plessis, J. Van Heerdon and G. Moreno
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Variations in echosounder calibration with temperature, and some possible implications for acoustic surveys of krill biomass
acusticas depende de varios factores, de 10s cuales uno de 10s mas importantes es la calibracion correcta ... localidades. Este estudio presenta 10s resultados de varias calibraciones realizadas en la Antartida y en ... (16,6"C), y se detect6 una tendencia similar a 38 kHz. Si 10s parametros de la calibraci6n europea ... serian subestimadas en 2,8 dB, 10 que conduciria a una subestimacion de la biomasa del kril de 52,5 ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 273–281 : Author(s): Brierley, A.S., C. Goss, J.L. Watkins and P. Woodroffe
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Seabird by-catch by autoline vessels: do line setters increase the sink rate of integrated weight longlines?
the digital watch) noted in the time-depth files and the median zero offset value determined from the 10 ... of the TDRs. Sink times from the surface were evaluated to five target depths: 2, 3, 5, 10 and 20 ... (m) 0–2 0–3 0–5 0–10 0–20 With 7.9 12.1 20.4 38.6 76.9 Without 7.4 12.9 20.7 38.6 76.7 Robertson et al. 112 ... – to reduce sea- bird bycatch in the Norwegian longline fishery. ICES CM2000/J:10 Løkkeborg ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 107–114 : Author(s): Robertson, G., J. Williamson, M. McNeill, S.G. Candy and N. Smith
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Research currently being undertaken by the Republic of South Africa on "dependent and related species" within the Antarctic marine ecosystem
of the Southern Oc~an bounded bw latitudes 30-70 Sand I on9 i tudes 10 W ta 40 E. Research i s Pr i mar ... 000 breedin~ King Pens:uins, account.ins for some 10 and 30 Per cent, re:;pectivelY, of the wor ... i ant beci'J.use of B surfeit of the duns of' numerous s.eab i rds. About 10 !::l0ars ago, a lnn ... , consist in':! of 10 ~;pecies oT s111al I retrel'S which nest under'!:lround 3nd· are 111ainl!::1 active ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 59-77 : Author(s): South Africa
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Status of krill target strength
, acoustic frequencies and orientation parameters. File: 07-Foote-et-al.pdf ... is convenient. This is the target strength TS, 0' TS = 10 log - = 10 log O'bs' 41l' (2) where ... of the average backscattering cross section as TS = 10 log (J' / 4n) = 10 logO" bs' (7) where the averaging ... , including beam pattern characteristics. In the logarithmic domain, Sv = 10 log P + TS (9) where Sv ... for krill of mean lengths from 11.6 to 18.6 mm and mean masses from 2.09 to 10.0 mg (dry weight ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 101–126 : Author(s): Foote, K.G., D. Chu and T.K. Stanton
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Remarks on the natural mortality of Dissostichus eleginoides in Subarea 48.3
3Ha1HUeJlbHbIX pa3HlUJ. B BeJlHlIHHaX M, 0l.J.eHeHHbIX no rJly6HHe J10Ba H THny KprollKa npH Pa3J1HlIHbIX ... consider6 como variables el sitio de pesca (caladero), la profundidad de pesca y el tipo de anzue10. Se ... determin6 que no hay diferencias significativas, en e1 va10r de M, en los casos considerados con los ... espaciales de la distribucion de individuos de diferentes edades, tanto verticales como a 10 largo del ta1ud ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 21–30 : Author(s): Moreno, C.A. and P.S. Rubilar
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Potential interactions between wandering albatrosses and longline fisheries for Patagonian toothfish at South Georgia
as to avoid fishing between the end of February and mid-May. File: 07croxall-prince.pdf ... ~e EOXHOB reoprw~ B nepMon c ne~a6prr no Qespanb (MHKYG~QMOHH~IW nepI10~) I1 B IIepHOA C KOHua MaR ... no O K T R ~ ~ ~ (nepI10n BbIpalQHBaHPi5i ~ T ~ H ~ O U ) cpaRHkfTenbH0 HI130K. T ~ M He MeHee B XORe IIepMOna ... eleginoides), utilizando 10s datos de rastreo via satelite y de la ubicaci6n precisa de 10s lances ... , respectivamente. Se concluy6 que el potencial de interaccion de 10s ejemplares de D. exulans que se reproducen en ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 101–110 : Author(s): Croxall, J.P. and P.A. Prince
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Measurements of differences in the target strength of Antarctic krill (Euphausia superba) swarms at 38 kHz and 120 kHz
demasiado grande para poder interpretarla como un error experimental, y por 10 tanto se atribuyo ... patterns in these two regions. Data were collected between 7 and 10 March from the edge of the shelf ... Equivalent ideal beam factor (dB) -19.6* -18.0* Absorption coefficient (dB/km) 10.5 40.0 * From ... the two integration systems. Figure 4: Figure 5: 84 50 40 ~ Z 30 « o "" ~ ~ 20 Z 10 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 75–86 : Author(s): Hampton, I.
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Refinements to the strategy for managing depleted fish stocks based on CCAMLR objectives
recuperacion de la poblacion dentro de de dos 0 tres decadas y, por 10 tanto, se necesitan normas de ... = 3 years (knife-edge) Pooled age-class = 10 years Table 2: Fishing mortality rates consistent with each ... ____ ~ o 5 10 15 Year 20 25 30 35 Figure 1: Schematic illustration of the method of calculating subjective ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 467–475 : Author(s): de la Mare, W.K. and A. Constable
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Exploratory fishing for Dissostichus spp. in the Antarctic region (Subareas 48.1, 48.2 and 88.3)
0.10 0.02 1.78 5.68 0.10 0.27 0.29 0.07 0.05 0.06 100.00 100.00 Sample Total Length (cm ... 0.00 891.70 0.00 301.90 835.20 217.20 517.65 1 769.90 253.20 819.55 36.08 20.77 15.34 26.46 ... ) 79.0 7 0.689 1193.6 123 10.409 754.55 641 6.580 36.5 15 0.318 46.6 41 0.406 12.4 6 0.108 429.4 ... 62 8 0 72.40 5.54 15 37 54 48.68 4.56 2 2 61 65 62.67 2.08 3 2 7 5 8 37.03 4.38 343 ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 1–17 : Author(s): Arana, P.M. and R. Vega