Search results
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Distribution and size–age composition of Antarctic krill (Euphausia superba) in the South Orkney Islands region (CCAMLR Subarea 48.2).
Understanding the population structure of Antarctic krill (Euphausia superba) is one of the major issues ... using com- mercial trawls with 14–24 mm mesh size at depths ranging from 10 to 200 m. Trawling ... –7.0°С to +2.0°С and in March from –10.0°С to 0.0°С. The SST in 2010 varied from –0.4°С to +1.9 ... , the proportion of pre-spawning krill decreased dramatically (10%), and recently spent individuals (stage ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 123–134 : Author(s): Sologub, D.O. and A.V. Remeslo
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An alternative method for estimating the level of illegal fishing using simulated scaling methods on detected effort
to calculate the desired multiplier P: i i i i F P D = ∑ ∑ (10) Note that i i F∑ includes both ... : • 10% coverage – one patrol of 10 days in each 100 day period; • 25% coverage – 15-day patrols ... of coverage in the case in which there are 10 illegal cruises acting in the fi shery and an eva- sion level ... to 10% coverage by only two fi shery patrols. Figure 5 indicates that when the level of coverage ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 143–161 : Author(s): Ball, I
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Utilising data from ecosystem monitoring for managing fisheries: development of statistical summaries of indices arising from the CCAMLR Ecosystem Monitoring Program
posible metodo para combinar 10s datos recopilados por el programa de seguimiento del ecosistema de la ... CCRVMA (CEMP) para cada uno de 10s parkmetros, en un indice unico para 10s depredadores, presas y medio ... variables, y toma en cuenta la covariancia entre 10s parametros. La segunda parte presenta un estudio de ... simulacion Monte Carlo donde se examina la validez estadistica de 10s indices con respecto a 10s datos ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 101–117 : Author(s): de la Mare, W.K. and A.J. Constable
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The Kerguelen database
in the same sector remained low. Annual abundance of each species in the total catches is listed in Table ... to only one age group. The LFD and ageing of N. squamifrons are illustrated in Figure 10 ... __ _ 0 __ _ 0 __ 10 ° ° 0 ° ----23---- 7 + + 4 ----23---- _ 5 ___ 0 __ - _+ __ _ 0 __ ~ 1L- _1 __ ~ _3 __ JFM ... in the Kerguelen Island EEZ during the period 1979-80/1985/86. 08 09 10 11 12 01 02 r I 1981 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 23-54 : Author(s): Duhamel, G.
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Management and assessment options for the crab fishery around South Georgia
. La pesqueria es nueva tambikn para la CCRVMA en cuanto a la especie y a 10s artes de pesca ... examinamos estas opciones en el context0 de esta pesqueria en particular con especifica referencia a 10s ... principios de la Convenci6n de la CCRVMA. Detallamos 10s metodos de evaluacidn y 10s datos necesarios para ... la puesta en marcha de diversas opciones de gestidn. Las caracteristicas de la pesqueria y 10s ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 193–202 : Author(s): Basson, M. and D.D. Hoggarth
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Target strengths of krill at 136 and 20 kHz
lower target strengths (by almost 10 dB) compared to those values used until now in biomass estimates ... on the basis of the algorithm: where TS = SV - 10 fgp SV - volume back-scattering strength, dB TS ... ) • width of directional diagram at 3 dB - 10°. The cage was cubic in shape and was made of netting ... by a commercial trawl and were brief, not exceeding from 5 to 10 minutes. Krill specimens were removed from ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 141–157 : Author(s): Kasatkina, S.M.
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Choosing distance between acoustic survey tacks
para demostrar que la distancia entre 10s cambios de rumbo de las prospecciones acusticas se pueden ... ). The area of the surveyed region S=10 4 square miles. The results of the preliminary survey indicate ... .. 54,7 9.9 12 8 3.7 " 2 10' 2. • · 23,8 ~2, .' • 7.9, 0 9.2 ... ~ ~ <: I:' · .. . I·"'t:':::::"............ --=:z"=~ 20% '= I,' 7.' ~ I d" 10% OF 42,0 326.6 96.4-48.0 • _7 I. " _ ' 7 ',' 1,8 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 153-164 : Author(s): Kalikhman, I.L., Z.I. Kizner, B.R. Zaripov and W.D. Tesler
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Line weights of constant mass (and sink rates) for Spanish system Patagonian toothfish longline vessels
-system longline vessels to attach 8.5 kg weights at 40 m intervals on longlines to minimise interactions ... at 40 m intervals on longlines to minimise interactions with seabirds. The weights typically used ... on longlines to minimise interactions with seabirds. The weights typically used are collections of rocks ... interactions avec les oiseaux de mer. Les lests sont généralement constitués d'un un sac en filet contenant un ... interactions with seabirds. Spanish- system longlines are particularly dangerous to seabirds in the first ... The experiment was conducted over two days, on 9 and 10 June 2007, on the FV Tierra del Fuego near Isla Nueva ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 93–106 : Author(s): Robertson, G., C.A. Moreno, E. Gutiérrez, S.G. Candy, E.F. Melvin and J.P. Seco Pon
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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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Book review: Fish and Fish Resources of the Antarctic
CCAMLR Scieiicc, Vol. 8 (2001): 165-168 BOOK REVIEW ... of neritic bottom and near-bottom notothenioid fish species, comprising only 10% of the 200 known highly ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 165–168 : Author(s): Shust, K.V