Search results
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Distribution and relative abundance of Antarctic toothfish (Dissostichus mawsoni) on the Ross Sea shelf
available, there is no evidence for a northward contraction in the range of D. mawsoni over the course of ... fisheries data available, there is no evidence for a northward contraction in the range of D. mawsoni over ... de la pesquería. No obstante, parecería prudente contar con un sistema de seguimiento para poder ... . Catch set–1 and catch hook–1 are unstandardised. Ross Sea 88.1Year No. of vessels Number of sets ... increas- ing trend in CPUE with depth down to at least 1 200 m, whilst catches in SSRU 881L showed no ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 33–51 : Author(s): Hanchet, S.M., S. Mormede and A. Dunn
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Estimating the impact of depredation by killer whales and sperm whales on longline fishing for toothfish (Dissostichus eleginoides) around South Georgia
the season in August. Killer whale interactions appear to be more consistent with no obvious pattern ... . Killer whale interactions appear to be more consistent with no obvious pattern between months. Both ... con las orcas son más constantes, y no se observa ninguna tendencia mensual obvia. Ambas especies se ... desplazan de este a oeste durante la temporada, y esta migración no está relacionada con la distribución ... assessment, although during 2007 it was found this had no sig- nificant effect on CPUE (Hanselman et al ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 163–178 : Author(s): Moir Clark, J. and D.J. Agnew
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Vertical migrations of mackerel icefish (Champsocephalus gunnari) on the South Georgia shelf
chalutages de C. gunnari que de jour. Pe3IOMe BbiCOKHe KOocpqmu,HeHTbl BapHaU,HH, noJiyl.leHHbie npH ... cbeMoK Ha rneJibcpe ocTposa I0:>KHa51 reoprH51 (Parkes et al., 1989), cTaB5IT no.l( COMHeHHe ... .) AHaJIH3HpoBaJIHCb yJioBbi 3a 1.1ac TpaJieHH51, noJiyl.leHHbie B Tel.leHHe CYTOK KaK ,l(OHHbiMH, TaK H pa3HOr ... 0 BepTHKaJibHbiX MHrpaU,H5IX C. gunnari MO)I{eT 6biTb noJie3Ha .l(JI51 yTo1.1HeHH51 MeTO.l(HKH TpaJIOBbiX cbeMOK ... had yielded almost no catches at all. The information obtained on vertical migrations of C. gunnari ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 3–14 : Author(s): Frolkina, J.A. and V.I. Shlibanov
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Operational interactions of sperm whales and killer whales with the Patagonian toothfish industrial fishery off southern Chile
%. Considering that no interactions were recorded in 153 (84%) of the effectively monitored sets, and that the ... between 0 and 100%. Considering that no interactions were recorded in 153 (84%) of the effectively ... depredación fue 3% (±2% IC 95%; n = 180 lances) y varió entre 0% y 100%. Considerando que no se observó ... or trunks, and NT is the total number of fi sh showing no evidence of damage. To assess if the same ... - parison with other areas. Operational interactions No direct observations were made of cetaceans ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 127–140 : Author(s): Hucke-Gaete, R., C.A. Moreno and J. Arata
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Improving estimates of Adélie penguin breeding population size: developing factors to adjust one-off population counts for availability bias
using a generalised additive model framework to allow interpolation across days when no counts were ... were modelled using a generalised additive model framework to allow interpolation across days when no ... reproductora obtenidas aplicando factores de ajuste del sesgo por disponibilidad a un solo recuento no dan ... cuenta de los pingüinos que salieron de la colonia de reproducción antes del punto de referencia al no ... tener éxito en la reproducción, los pingüinos en edad de reproducirse que no regresaron a la colonia en ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 229–241 : Author(s): Southwell, C., J. McKinlay, L. Emmerson, R. Trebilco and K. Newbery
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Distribution and size of Antarctic krill (Euphausia superba Dana) in Polish commercial catches taken in the Atlantic sector of the Southern Ocean from 1997 to 1999
scattered throughout the water column, however no clear evidence of vertical migrations was found. Between ... throughout the water column, however no clear evidence of vertical migrations was found. Between February ... través de la columna de agua, sin embargo, no se encontraron pruebas fehacientes de migraciones ... , mientras que en mayo y junio no hubo diferencia en el intervalo de profundidad entre la noche y el día, e ... , no commercial krill concentrations were observed in the Elephant Island area, while they were ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 83–105 : Author(s): Jackowski, E
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Validation of sink rates of longlines measured using two different methods
sight behind waves or in congregations of seabirds before the target depth was reached. No TDRs were ... before the target depth was reached. No TDRs were lost during the trial. Bottle tests were most useful ... 0,17 ± 0,03 m.s–1 obtenido con los TDR. La diferencia no fue estadísticamente signifi cativa (t12 ... las olas o de las aves agrupadas antes de alcanzar su profundidad objetivo. No se perdieron ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 179–187 : Author(s): Wienecke, B. and G. Robertson
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Line weights of constant mass (and sink rates) for Spanish system Patagonian toothfish longline vessels
no maintenance. An experiment was conducted on a Spanish-system longline vessel to determine the ... , which are smaller for equivalent weight, and require no maintenance. An experiment was conducted on a ... weights of constant mass for Spanish-system longline vessels no requieren mantenimiento. Se realizó un ... smooth profile and absence of netting enclosure require no maintenance. They are also less likely to ... line with a 0.5–1 m long snood. By this gear configuration, baited hooks were located no more than ...
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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Effects of recruitment variability and natural mortality on generalised yield model projections and the CCAMLR decision rules for Antarctic krill
the annual size distributions of krill in penguin diets. Simulations with either no fishing, or with ... studies and in the annual size distributions of krill in penguin diets. Simulations with either no ... mean 1. n/a indicates no January samples that year. EI – Elephant Island; JI – Joinville Island; SA ... all years of the recruitment vector in a single trial. Four values of gamma were modelled: no catch ... Island recruitment proportions with no additional CV on the recruitment vector and natural mortality ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 81–96 : Author(s): Kinzey, D., G. Watters and C.S. Reiss
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Variations in echosounder calibration with temperature, and some possible implications for acoustic surveys of krill biomass
European calibration parameters were to be employed during surveys around South Georgia, and no account ... employed during surveys around South Georgia, and no account were taken of the differences in gain ... prospecciones de Georgia del Sur, y no se tomasen en cuenta las diferencias entre las ganancias del transductor ... transducer temperature (R.D. Instruments, 1989), we have found no reference to corrections for such effects ... biomass. Our calibrations at 200 kHz, however, show no clear pattern of variation with temperature. If ...
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