Résultats de la recherche
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Estimation of natural mortality using catch-at-age and aged mark-recapture data: a multi-cohort simulation study comparing estimation for a model based on the Baranov equations versus a new mortality equation.
with recruitment average of 2 million with annual coefficient of variation (CV) of 0.3 and annual catch ... selectivity function, the bias and imprecision in estimates of M increased by no more than 2% for the CCODE ... recruitment average of 2 million with annual coefficient of variation (CV) of 0.3 and annual catch of 500 000 ... selectivity function, the bias and imprecision in estimates of M increased by no more than 2% for the CCODE ... , fishing mortality, age-structured model, CCAMLR mailto:steve.candy@aad.gov.au Candy 2 introduction ... , , exp / / exp δ δδ δ ¢ ¢ + + ¢ ¢= - - = - - t t t a t a t a N N F t M t N F M (2) where ( ) /δ ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 1–27 : Auteur(s): Candy, S.G.
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A statistical method for estimating the level of IUU fishing: application to CCAMLR Subarea 48.3
highly skewed, with medians in the three years of 621, 2 852 and 550 birds respectively. 95% confidence ... limits were calculated to be 54–2 017, 468–1 779 and 22–487 tonnes respectively for fish and 162–7 752, 1 ... skewed, with medians in the three years of 621, 2 852 and 550 birds respectively. 95% confi dence limits ... were calculated to be 54–2 017, 468–1 779 and 22–487 tonnes respectively for fi sh and 162–7 752, 1 ... totale d’oiseaux estimée est fortement faussée, avec des médianes respectives de 621, 2 852 et 550 ... oiseaux pour les trois années. Le calcul des limites de l’intervalle de confi ance à 95% donne 54–2 017 ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 119–141 : Auteur(s): Agnew, D.J. and G.P. Kirkwood
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Size and density of krill layers fished by a Japanese trawler in the waters north of Livingston Island in January 1988
were 3.25 km, 13.3 m and 228.0 g wet weight/m 2, respectively. The krill layers fished by the trawler ... the fishing ground north of Livingston Island in January 1988. 2 . MATERIALS AND METHODS The co ... recorded by an echogram is shown in Figure 2. Note the stratified appearance of the layer. The towed ... 200M 'J,"" 200 Figure 2: A typical krill layer, extending to 2.0 km in length, recorded on an ... echogram by a Japanese trawler. ~ w 12 1 10 en 8 a: w >- <1: -' 6 u... 0 0 4 z 2 0 0 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 339–345 : Auteur(s): Endo, Y. and Y. Shimadzu
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Distribution and abundance of Macrourus carinatus on BANZARE Bank in the southern Indian Ocean
52 ± 4% of the total biomass. The mean density of M. carinatus on BANZARE Bank was 176 ± 14 kg/km 2 ... est estimee a 16 658 2 1 325 tonnes. M. carinatus semblait @tre reparti uniformement sur le banc. B ... O M ~ C C ~ cocTasHna 16 658 -c 1 325 T. Pacnpenene~~e M . carinatus no ~ c e 2 6aH~e 6b1no ... typically benthopelagic and are found predominantly along continental slopes between depths of 200 and 2 ... located in the southern Indian Ocean on the border of Divisions 58.4.1 and 58.4.3 (Figure la). At 2 300 ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 171–178 : Auteur(s): van Wijk, E.M., A.J. Constable, R. Williams and T. Lamb
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Revised estimates of the area of the South Georgia and Shag Rocks shelf (CCAMLR Subarea 48.3)
variety of primary sources including multi-beam swath bathymetry. Sea floor area (km 2 <500 m depth ... resulting grid (Figure 2) is available as an ArcGis shapefile in LLC projec- tion, or as an xyz ASCI file ... from nautical charts (Table 2) from which total sea floor area (<500 m depth) was calculated as 42 ... dataset for South Georgia. Ant. Sci., 21 (2): 171–174. GEBCO. 2003. General Bathymetric Chart of the ... – 35 0 35 0– 40 0 40 0– 45 0 45 0– 50 0 T ot al s 1 53 43 0 0 0 0 0 0 0 0 4 4 8 2 53 42 0 0 1 ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 167–175 : Auteur(s): Belchier, M. and P. Fretwell
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Investigations of required sampling regimes for environmental parameters
and pressure. Sampling daily maxima and minima would be sufficient to detect a 2 to 3°C change in ... minima would be sufficient to detect a 2 to 3°C change in monthly mean temperature over two years with a ... minimales pour deceler une variation de 2-3°C dans la temperature mensuelle moyenne sur deux ans avec une ... Bbl5IBJIeHH5I H3MeHeHH5I Cpe,llHeMeC5I4HOH TeMnepaTYpw B 2-3°C Ha npOT5I)I{eHHH ,llBYX JIeT npH 3Ha4HMOCTH ... en la temperatura minima media de 2-3°C en un periodo de mas de dos afios, con una significacion ex ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 561–573 : Auteur(s): Agnew, D.J.
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Long-term monitoring of krill recruitment and abundance indices in the Elephant Island area (Antarctic Peninsula)
one- and two-year-old krill (R 1 and R 2 respectively). Statistically significant fluctuations in ... . Comparaison des rbsultats des classes d'2ge 1 (R,) et 2 (R2). Cette etude confirme egalement, au moyen de ... sampling and/or data handling and if calculation of R, (proportion of recruits for 2-year-old krill) may ... primarily in oceanic regions (Figures 1 and 2). This general picture is also observed in the Elephant ... consists of immature and small adult stages and mostly belong to age group 2+, which therefore shows a ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 19–35 : Auteur(s): Siegel, V., W. de la Mare and V. Loeb
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Length-at-age in juvenile Patagonian toothfish (Dissostichus eleginoides)
estimated to be from fish 1+ or 2+ years old, with mean total lengths of 32.5 cm and 41.3 cm respectively ... majority of the otoliths (83.6%) were estimated to be from fi sh 1+ or 2+ years old, with mean total ... poissons d’âge 1+ et 2+, avec des moyennes respectives de 32,5 cm et 41,3 cm de longueur totale. Aucune ... возрастом 1+ и 2+ со средними значениями общей длины соответственно 32.5 см и 41.3 см. Разницы между ... прогнозным и оценочным возрастами обнаружено не было. Нами был сделан вывод, что 2 доминирующих моды ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 1–10 : Auteur(s): Ashford, J., C. Jones, S. Bobko and I. Everson
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Estimating krill recruitment and its variability
for 2+ krill (the ratio of the number of two-year-old krill to the number aged two and above) from ... deviation (SD) of 0.100. The corresponding result for recruitment for 2+ krill (the ratio of the number of ... recrutement du krill de 2+ (rapport entre le nombre d'individus de krill 2ges de deux ans et celui de deux ... reclutamiento de kril de edad 2+ (la proporcion de kril de 2 aiios con respecto a1 numero total de dos afios y ... . where d, is the expected value of the density in length class j derived from equation (2), with the ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 55–69 : Auteur(s): de la Mare, W.K
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Distribution of fish larvae at South Georgia: horizontal, vertical, and temporal distribution and early life history relevant to monitoring year-class strength and recruitment
top 2 m layer at certain times of day. In both seasons some species showed daily vertical migration ... were abundant, they were found in the upper 100 m of the water column, especially the top 2 m layer ... la couche des 2'metres superieurs a'certains moments de la journee. Au cours des deux saisons, une ... de agua, especialmente en la capa superior de 2 m, a ciertas horas del dia. En ambas temporadas ... )KeHbl B BepXHHX 100 M BOABHoro cToJI6a, oc06eHHO B BepXHHX 2 M - B onpeAeJIeHHOe BpeMa CYTOJ<:. B Tet ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 105-141 : Auteur(s): North, A.W.