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  • 中控技术TPT 2大模型推动工业优化应用典型案例
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  1. 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 : Автор(ы): Candy, S.G.

  2. 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 : Автор(ы): Agnew, D.J. and G.P. Kirkwood

  3. 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 : Автор(ы): Endo, Y. and Y. Shimadzu

  4. 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 : Автор(ы): van Wijk, E.M., A.J. Constable, R. Williams and T. Lamb

  5. 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 : Автор(ы): Belchier, M. and P. Fretwell

  6. 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 : Автор(ы): Agnew, D.J.

  7. 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 : Автор(ы): Siegel, V., W. de la Mare and V. Loeb

  8. 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 : Автор(ы): Ashford, J., C. Jones, S. Bobko and I. Everson

  9. 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 : Автор(ы): de la Mare, W.K

  10. 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 : Автор(ы): North, A.W.

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