Résultats de la recherche

1. Quantification of Southern Ocean phytoplankton biomass and primary productivity via satellite observations and biogeochemical models (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   the properties of specific ocean colour sensors. Figures 1 and 2 show the Austral summer ... calculate primary productivity, usually in units of mmolC m–2 or mgC m–2 per unit time (day or year). In ... 0.25 0.5 1 2 Figure 1: Austral ... unknown Strutton et al. 250 Figure 2: The Sea-viewing, Wide Field of view Sensor (SeaWiFS) Austral ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 247–265 : Auteur(s): P.G. Strutton, N.S. Lovenduski, M. Mongin and R. Matear

2. Fishery Report 2017: Exploratory fishery for Dissostichus mawsoni in Division 58.4.2

   . eleginoides) caught counting towards the catch limit for D. mawsoni. 2. The current limits on the ... intention to participate in the exploratory fishery for Dissostichus spp. in Division 58.4.2. 2 ... table above: 2009 – vessel In Sung No. 22, 47 tonnes D. mawsoni 2010 – vessel In Sung No. 2, 93 tonnes ... in this fishery from 2008 to 2017 are shown in Figure 2. These length-frequency distributions are ...

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3. A generalised model for evaluating yield and the long-term status of fish stocks under conditions of uncertainty

   Butterworth et al. (1994) where: where l = I(T), the mean length of fish at age T = a + 2, m, and m, are ... mean 2 and variance G ~ . In the simplest case, recruitment is considered to be independent of ... season over summer (days 31 - 120) (their model 2). Figure 2 shows the conversion of the punctuated ... winter (days 151 - 330; E, = 2 during this period, 0 for the rest of the year) and; (iii) all year ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 31–54 : Auteur(s): Constable, A. and W.K. de la Mare

4. An index of per capita recruitment

   by 0 and 1, relative measures of reproductive ( i ' J ~ 2 ) ~ ~ ( ~ ' I v - 1 + ( i ' J ~ 3 ) ~ c ... , R3, R4 . . . are the proportions of N that are in the age-l, age-2, age-3, age-4 . . . year classes ... ; M2, M3, Mq . . . the post- recruit mortality rates for age-2, age-3, age-4 ... year classes; and y ... not spawn until age 2 or age 3 (Siegel, 1987). Because the denominator includes non-spawners, PCR ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 179–196 : Auteur(s): Hewitt, R

5. Krill fishing in the Scotia Sea in relation to bathymetry, including the detailed distribution around South Georgia

   (Figure 2) the maps highlight the areas noted by Ichii et al. (1994), while around the South Orkney ... oceanographic relationships in the Southern Ocean. GIS Europe, 2 (6): 34-36. Trathan, P.N., J.P. Croxall and ... 2 000-metre isobaths. Figure 2: The distribution of the fine-scale grid areas in the Antarctic ... Statistical Bz~llet i~zs. Contours are s l~own for the 250,500,l 000 and 2 000-metre isobaths. Figure 3 ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 1–17 : Auteur(s): Murphy, E.J., P.N. Trathan, I. Everson, G. Parkes and F.H.J. Daunt

6. Trends in population size and breeding success at colonies of macaroni and rockhopper penguins, Marion Island, 1979/80–1995/96

   Archway Bay and Van den Boogaard River (Figure 2). However, the number of clutches laid decreased at ... correlated (Table 2). The mean number of eggs hatched per clutch varied between 0.41 at Trypot Fault in ... significant (Table 2). Chick survival ranged between 36% at Trypot Fault in 1994/95 and 93% at Van den ... Boogaard River in 1988/89 (Figure 9). The overall mean value for chick survival was 71% (n = 2 306 ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 89–103 : Auteur(s): Cooper, J., A.C. Wolfaardt and R.J.M. Crawford

7. Indices of prey availability near the Seal Island CEMP site: 1990 to 1996

   acoustic transects, varied between 1990 and 1991 (Figures 1 and 2), but became standardised from 1992 ... 1990, surveys 1 and 2 were combined and surveys 3 and 4 were combined. Acoustic data were filtered to ... AMLR survey design. Surveys 1 and 2 were combined and referred to as 1990A. Surveys 3 and 4 were ... availability near to Seal Island. Figure 2: 1991 AMLR survey design. Shaded box indicates area subsampled for ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 37–45 : Auteur(s): Hewitt, R.P., G. Watters and D.A. Demer

8. On reproduction of Electrona carlsbergi (Tåning)

   expatriation. Results of the study are presented in this paper. 2. MATERIALS AND METHODS Observations were ... divided into the following phases: 1 - vacuolization and accumulation of fat, 2 - initial accumulation of ... appear in oocytes of 180 to 2 020 J.Ill1 in diameter. Granules of yolk gradually fill the cytoplasm and ... maturity stages IY-V and VI-VIII (Figure 2). In prespawning fish the diameter of yolk-filled eggs varied ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 397–409 : Auteur(s): Mazhirina, G.P.

9. 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

   : hij hi hijG L u= ´ (2) and hij hij hij hijK L u s= ´ ´ (3) where hijs was the mean hook spacing ... (Table 2). In the groomed data, 85% of sets recorded zero hooks lost attached to sections of longline ... sets per unit area) are found in SSRUs 881C and 881H (Figure 2); these two SSRUs also con- tain ... Figure 2: Spatial distribution of the number of sets reporting non-zero hook loss from 2008 to 2011 in ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 17–30 : Auteur(s): Webber, D.N. and S.J. Parker

10. Seabird by-catch by autoline vessels: do line setters increase the sink rate of integrated weight longlines?

    /06 season about 2 600 fatalities, primarily white-chinned petrels (Procellaria aequinoctialis) and ... entire magazine in a pair (Figure 2). The order of engagement of the line setter was alternated on ... adjusted so that 1–2 coils (360 degree loops) were allowed to form in the water immediately behind the ... surface were evaluated to five target depths: 2, 3, 5, 10 and 20 m. Of these target depths, sink time to ...

    Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 107–114 : Auteur(s): Robertson, G., J. Williamson, M. McNeill, S.G. Candy and N. Smith

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