Search results
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Estimating unaccounted fishing mortality in the Ross Sea region and Amundsen Sea (CCAMLR Subareas 88.1 and 88.2) bottom longline fisheries targeting Antarctic toothfish
were kept together for bootstrapping (see Bradford, 2002) and 10 000 bootstrap samples were produced ... per season-SSRU-vessel. The variance was record- ed as the 10th and 90th percentile of each bootstrap ... 250 Number of hooks lost 0 5 000 10 000 15 ... 10) by apply- ing the mean season-SSRU-specific estimated hook loss rates ( hiL ) to the season-SSRU ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 17–30 : Author(s): Webber, D.N. and S.J. Parker
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Surface water circulation in krill fishing areas near the South Shetland Islands
con el sistema de posicionamiento autom6tico ARGOS. De 10s resultados de las trayectorias de las ... regidn de la pendiente. Las mediciones directas de las corrientes demostraron que 10s calculos ... , the Japanese krill catches from 1980/81 to 1993/94 were re-calculated for each 5' latitude X 10' longitude ... and shelf regions with a speed of 10.9 cm/s and 0.8 cm/s respectively (Naganobu et al., 1993 ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 125–136 : Author(s): Ichii, T. and M. Naganobu
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Analysis and modelling of the Soviet Southern Ocean krill fleet, II: Estimating the number of concentrations and analytical justification for search data
(spatial scale 100 m) which then aggregate into concentrations of krill (spatial scale 10 nm) in a large ... and try to group hauls that appear to "naturally" aggregate. Figures 10 and 11 show the results ... that the bias was only about 10%. 288 8. ESTIMATING THE NUMBER OF CONCENTRATIONS The number ... of the vessel while searching. For the majority of computations reported below v=10 kt; the other parameters ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 283–322 : Author(s): Mangel, M.
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Notes on the use of virtual population analysis for stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea 48.3 for the 1990/91 and 1991/92 seasons
ejemplares de 5 anos, 10 que no se vio en la prospeccion del Falklands Protector realizada en enero de 1992 ... succeeded in converging within its limits and the results are shown in Table 10, with residuals plotted ... recruitment and the variance of 10& recruitment were taken from the VPA between 1977 and 1986, prior ... 0.003 Table 3b: Stock number at age, start of year (MAFF output Table 10) age 1977 1978 1979 1980 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 49–79 : Author(s): Parkes, G.
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The role of fish as predators of krill (Euphausia superba) and other pelagic resources in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop)
of the estimate) varied from 10 000 000 to 25 000 000 tonnes annually. These authors conclud- ed that fish ... span of typically 10–20 years (Kock et al., 1985; La Mesa et al., 2000) with the exception of the two ... conducted from 1987 to 2006 (Table 10). They were largely restricted to depths < 400 m. The targeted ... trawl surveys at South Georgia (Table 10). Biomass estimates obtained by bottom trawl sur- veys have ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 115–169 : Author(s): Kock, K.-H., E. Barrera-Oro, M. Belchier, M.A. Collins, G. Duhamel, S. Hanchet, L. Pshenichnov, D. Welsford and R. Williams
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A review of the diet and at-sea distribution of penguins breeding within the CAMLR Convention Area (submitted to the 2008 Joint CCAMLR-IWC Workshop)
species of the families Bathydraconidae and Channichthyidae each totalling less than 10% by mass ... 10.9–74.8%, squid 5.2–64.2% and E. superba 0.7–67.5%. The E. superba component declined ... period: three females post-laying (four trips), two males (two trips) post-hatching, 10 adults (21 ... -ice was ridged, providing shelter from wind. Kooyman and Ponganis (2007) fitted 10 juveniles ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 75–114 : Author(s): Ratcliffe, N. and P. Trathan
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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
aciisticas del lecho marino. La regi6n se situa entre 10s 60.2" y 62.2"s de latitud y 42.5" y 47.5"W de ... anteriormente para 10s intervalos de 50-150, 150-250 y 250-500 m de profundidad. El area de lecho marino ... ) que la estimacion de Everson, si bien 10s cambios del Area se relacionan especificamente con el ... utilizan estas estimaciones actualizadas del Area como area de barrido en 10s modelos de las prospecciones ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 197–204 : Author(s): C.D. Jones
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An assessment of the exploratory fishery for Dissostichus spp. on BANZARE Bank (CCAMLR Division 58.4.3b) based on fine-scale catch and effort data
- 6 - - 90 R - 10 48 - 10 - - 68 E ff or t D ay s fi sh ed - 15 71 ... - 9 - - 95 T O A (n ) - 1 33 5 8 82 1 - 55 3 - - 10 7 09 T O A (k g) - 40 ... 3 T O P (n ) - - - 1 95 8 - 33 1 2 22 9 4 51 8 T O P( kg ) - - - 34 6 79 - 47 84 34 8 10 ... ) 8 369 (7 356, 10 089) - Initial biomass (kg) (95% CI) 61 279 (45 969, 135 768) 241 013 (215 ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 55–78 : Author(s): McKinlay, J.P., D.C. Welsford, A.J. Constable and G.B. Nowara
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By-catch of fish in longline catches off the Kerguelen Islands (Division 58.5.1) during the 1995/96 season
bacalao de profundidad (Dissostichus eleginoides), en 10s alrededores de las islas Kerguelen (Division ... (52% versus 48% respectively, n = 129) from 10 random samples used for length frequency ... was A. vostvata, with lengths of 22 to 65 cm, a mode of 52 cm and a mean length of 45.9 cm (Figure 10 ... ) but the data are still too scarce to confirm this. Initial random samples ( n = 10) suggest that the first ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 175–193 : Author(s): Duhamel, G., P. Pruvost and D. Capdeville
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Analysis of results from demersal fish surveys at South Georgia, undertaken by the United Kingdom and the USSR, January and February 1990
m 946536 N=16 250 to 500 m 4553 N=10 Total 951895 N=33 CV=70% South Georgia Total 970848 N=70 CV=69 ... % The different systems of stratification do not change the results by more than 5 or 10%. These analyses include ... =38% West South Georgia 50 to 150m 805 N=7 150 to 250 m 296861 N=15 250 to 500 m 4554 N=10 ... hauls. Its validity for the intermediate sized hauls, between about 1 and 10 tonnes, was also ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 223–254 : Author(s): (Report of a Joint UK/USSR Workshop, 23 to 27 July 1990)