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Commission pour la conservation de la faune et la flore marines de l'Antarctique

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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. Hook selectivity in the longline fishery of Dissostichus eleginoides (Nototheniidae) off the Chilean coast

    mainly inhabit waters between 500 and 2 500 m depth (Salas et al., 1987), living near the bottom and ... comparative analyses. 2. CHILEAN FISHERY LEGISLATION The fishery of D. eleginoides is regulated in Chile ... ) (Figure 2). Sections of different types of hooks were arranged randomly along the longline according to ... methodology described by Pope et al., (1983). Each section comprised of 150 hooks placed 2 m apart on 60 cm ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 107–119 : Auteur(s): Moreno, C.A.

  2. Status of the coastal stocks of Dissostichus spp. in East Antarctica (Divisions 58.4.1 and 58.4.2)

    stock identity and biology. The maturity scale used by CCAMLR runs from 1 (immature) through 2–3 ... estimated as follows: ˆ x x R x R R I A B B = I A   (2) where subscript R denotes values from the ... limits for ˆxB were estimated by bootstrapping equation (2), each time sam- pling Ix from a normal ... were identified through simple regression analysis. To obtain an estimate of uncertainty, 2 000 boot ...

    Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 71–100 : Auteur(s): Agnew, D.J., C. Edwards, R. Hillary, R. Mitchell and L.J. López Abellán

  3. The Patagonian toothfish (Dissostichus eleginoides) fishery in the Kerguelen Islands (Indian Ocean sector of the Southern Ocean)

    географическими секторами) по взрослому компоненту эксплуатируемой популяции. Lord et al. 2 introduction ... and Anderson, 1998). The GLM is of the type: Variable to analyse = α + β1 factor 1+ β2 factor 2 ... and the actual mechanism, which generated the observed data. QAIC = [(- 2 Log £)/c] + 2 np ... percentages of stages 1–2 (juveniles without developed gonads) and stages 3 to 5 (fish engaged in the annual ...

    Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 1–25 : Auteur(s): Lord, C., G. Duhamel and P. Pruvost

  4. Changes in biomass of eight species of finfish around the South Orkney Islands (Subarea 48.2) from three bottom trawl surveys

    coordinates for this survey are plotted in Figure 2. The fishing gear used to conduct the survey was the ... : Summaryofseabed areas (n miles2) around the South Orkney Islands, from Jones (2000). Table 2: Total nominal ... this analysis (Table 1). RESULTS Total 5 061.57 5 023.29 2 583.40 1 454.16 923.92 502.42 ... the total yield (Table 2). All surveys exhibited similar geographic distribution of yields, with ...

    Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 53–74 : Auteur(s): Jones, C.D., K.-H. Kock and E. Balguerías

  5. Status of the krill stock around Elephant Island in 1991/92 and 1992/93

    survey area (Figure 2). Between-cruise comparisons of stock composition and abundance are based on the ... approximately 3% of the total. Cluster 2 occupied the intermediate area and represented a mixture of the ... frequency distribution of cluster 2 shifted to even larger values than during January. Cluster 3 krill ... juveniles: subadults dominated and comprised >57% of the total (Figure 11). These subadults (2+ age class ...

    Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 7–33 : Auteur(s): Loeb, V. and V. Siegel

  6. Distribution characteristics of krill aggregations in the fishing ground off Coronation Island in the 1989/90 season

    the fishery. 2. MATERIALS AND METHODS Investigations were carried out on board a fishing vessel ... trawl were evaluated for each of these time intervals (Table 2). Data on catch per hour trawling are ... 40 m, forming a dispersed sub-surface layer. Daily vertical migration was indistinct (Figure 2 ... = 5.8 hrs, 0'. = 2.5 hours. Wind force over this period dropped from 3.5 to 2 on the Richter scale ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 49–73 : Auteur(s): Kasatkina, S.M. and V.I. Latogursky

  7. Options for allocating the precautionary catch limit of krill among small-scale management units in the Scotia Sea

    original submitters of the data. SSMU Ai (x103 km2) i (g m–2) Ci (tonnes) Antarctic Peninsula Pelagic ... it s (S SM U s) in S ub ar ea s 48 .1 , 4 8. 2 an d 4 .3 . T he 1 0 00 m is ... a (A PP A ); (2 ) A nt ar ct ic P en in su la W es t (A PW ); (3 ) D ra ke P ... N E ); (1 2) S ou th O rk ne y So ut h E as t ( SO SE ); (1 3) S ou th G eo ...

    Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 81–97 : Auteur(s): Hewitt, R.P., G. Watters, P.N. Trathan, J.P. Croxall, M.E. Goebel, D. Ramm, K. Reid, W.Z. Trivelpiece and J.L. Watkins

  8. Patterns and processes in the distribution and dynamics of Antarctic krill

    and dynamics of krill and fin fish? 2. How important are biological factors such as predation and ... mid-Pacific, over the 2-50 km spatial scales, the range for which the best data are available for ... productivity can be modelled as, to a first approximation, a reflection of physical conditions. 2 ... Southern Ocean in austral summer 1981; the middle panels in Figure 2 indicate strong coherence in the ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 281–299 : Auteur(s): Levin, S.A., A. Morin and T.M. Powell

  9. Assessing the power to detect systematic change in Adélie penguin foraging trip duration

    the mth foraging trip for the kth member (k = 1 for female, 2 for male) of the jth pair in the ith ... variances 2sσ , 2 prσ , 2 pσ , and 2 tσ respectively. The variables are assumed to be independent ... ikmy f M s G e e= = + + + + for i = 1,2,…,a; k = 1,2,…,2ni; m = 1,2,…,rik (2) where the components ... ) and (2) were used to estimate variance components for the guard and crèche stages respectively. One ...

    Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 201–215 : Auteur(s): Southwell, C., J. Clarke and L.M. Emmerson

  10. A comparison between otoliths and scales for use in estimating the age of Dissostichus eleginoides from South Georgia

    observer on board the longliner FV Kolyo Mar11 2 1 took samples from catches made between April and June ... 1-2-3 for Windows and SAS Version 4.0. To test the hypothesis that otoliths and scales give the ... of otoliths and scales in estimating toothfish age Table 2: Results from randomised block ANOVA ... scales, (b) readings by Reader 1 and Reader 2 for otoliths and scales. Readings Variance Mean CV (a ...

    Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 75–92 : Auteur(s): Ashford, J.R., S. Wischniowski, C. Jones, S. Bobko and I. Everson

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