Resultados de la búsqueda
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Revised estimates of seabed areas within the 500 m isobath of the South Orkney Islands (subarea 48.2) and consequences for standing stock biomass estimates of nine species of finfish
examined, the point estimate of total biomass increased from 5 to 30% for eight species and decreased by 20 ... 250-500 m depth intervals. The updated estimates are about 1 424 (20%) n miles larger in area within ... PaCCMOTPeHHbIX BNAOB OqeHKa o6qet ~ H O M ~ C C ~ I BO3pOCna Ha 5-30% AJIR 8 BHAOB M COKpaTHJIOCb Ha 20% AnR ... total aumento entre 5 a 30% para ocho de las nueve especies de peces examinadas, y disminuy6 en 20 ... ) for the 50-150, 150-250 and 250-500 m depth intervals. The updated estimates are about 1 424 (20%) n ... biomass. Of the nine species examined, the point estimate of total biomass increased from 5 to 30% for ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 197–204 : Autor(es): C.D. Jones
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Significant conservation benefits obtained from the use of a new fishing gear in the Chilean Patagonian toothfish fishery
~70–74 cm Ø~30 cm Ø~10–15 cm ~100–120 cm Hooks Snoods ~20 cm ~15 cm ~25 cm Weight 4–8 kg ... the line. During the last five years in the Chilean long- line fishery for toothfish, strong ... an evaluation, carried out during the 2006 tooth- fish fishing season, are described together with a ... Branch lines Anchor ~25–30 kg ~40 m Main line (a) Main line Branch line ‘Net sleeve’ Ø~2–3 cm Ø ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 79–91 : Autor(es): Moreno, C.A., R. Castro, L.J. Mújica and P. Reyes
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Seabird interactions with trawl and longline fisheries for Dissostichus eleginoides and Champsocephalus gunnari
observed during the last 20 years (Woehler, in press) underlines the importance of quantifying the ... within a n d outside the CCAMLR area, and in recent years the D. eleginoides fishery h a s been t he ... birds (usually less than 20 black-browed albatrosses and giant petrels) would sit near the chute and ... Mar 1995 to 20 May 1995 Kerguelen de Tremarec Kerguelen Autumn Le Guilcher D ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 93–99 : Autor(es): Williams, R. and D. Capdeville
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Analysis of haul data from the South Georgia krill fishery
existed between years, with 1995 being a better season than either 1994 or 1996. Aspects of mesoscale ... operating in different years. Most vessels from Poland and Ukraine operated for just a single year, while ... starting in April (1 year), May (5 years) or June (1 year), and ending in August (1 year), September (2 ... years), October (1 year), November (1 year) or December (1 year). In recent years the end date of the ... CCAMLR Science, Vol. 5 (1998): 9-30 ANALYSIS OF HAUL ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 9–30 : Autor(es): Trathan, P.N., I. Everson, E.J. Murphy and G.B. Parkes
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Measurements of differences in the target strength of Antarctic krill (Euphausia superba) swarms at 38 kHz and 120 kHz
~ Z 30 « o "" ~ ~ 20 Z 10 .' . -I, - A9880 /' 1\ --- A9885 1\ •••• A9891 ... -FIBEX de 1984. Pe310Me Pa3JUflUf5.1 B CHJIe aKycTHlIecKot't: QeJIH B3pOCJIOro (30-60 MM ... -scatter from aggregations of encaged animals which varied in mean length from 30 to 39 mm. Calculated ... over the past three years. Spot checks on SL and VRS made before, during and after the cruise with a ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 75–86 : Autor(es): Hampton, I.
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Editorial
Science coincides with the 30th meeting of the CCAMLR Scientific Committee. Over those 30 years, several ... -based decision-making by CCAMLR. One of the most striking changes over the past 30 years is the increase ... coincides with the 30th meeting of the CCAMLR Scientific Committee. Over those 30 years, several thousand ... decision-making by CCAMLR. One of the most striking changes over the past 30 years is the increase in the ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 167 : Autor(es): Editors
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Comparison of age readings from scales and otoliths of the Patagonian toothfish (Dissostichus eleginoides) from South Georgia
24 years. This is very close to the maximum age of 22.8 years calculated from Taylor's formulae ... , = 207.01 cm, K = +0.0748 and to = -0.2898. The maximum age of D. eleginoides was found to be 24 years ... . This is very close to the maximum age of 22.8 years calculated from Taylor's formulae which relates ... . eleginoides is 223 cm. Sexual maturity is reached at about 90 to 100 cm total length (TL) (9-10 years) in ... AND METHODS Age 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 2 1 22 23 ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 191–203 : Autor(es): Cassia, M.C
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A hybrid approach to acoustic classification and length estimation of krill
animal measurement. For small school- ing organisms, such as euphausiids, this criterion is seldom met ... estimated confi dently in the interval (amin – amax) where 100|δ| < 20%, for a given dΔ. The mean length ... highly ‘tuned’ (error < 20%) to measur- ing sizes within the class from a = 1.6 to 6.0 mm. If N ... ) = binomial coeffi cient). These estimates can be com- bined and estimation of the mean animal size that ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 33–58 : Autor(es): Azzali, M., I. Leonori and G. Lanciani
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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
simulation for two forms of alternative hypothesis with data series of up to 20 and 30 years. In both forms ... Program, two lengths of time were investigated: 10 and 20 years. The correlation matrix was estimated ... total length of the time series (20 years was better than 10) and the proportion of the time series in ... the test for robustness indicated above. For a dataset that extends to 20 years, at least half the ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 101–117 : Autor(es): de la Mare, W.K. and A.J. Constable
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Acoustic data analysis and models of krill spatial distribution
wavenumber spectrum resembles a white noise at scales of 2-20 km, although at scales smaller than 1 km the ... spectrum resembles a white noise at scales of 2-20 km, although at scales smaller than 1 .km the spectrum ... spectre a ondes ressemble a un son blanc aux echelles de 2 a 20 km, mais aux echelles inferieures a 1 km ... KPHJI$l. B .l{Hana30He 2-20 KM cneKTp BOJIHOBbIX q,flceJI HanOMHHaeT OeJIbIM llIYM, XOT$l B .l ... . A escalas de 2-20 km, el espectro del numero de ondas se parece a un ruido blanco, aunque a ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 311–329 : Autor(es): Morin, A., A. Okubo and K. Kawasaki