Search results

1. Estimating optimal observer coverage in the Antarctic krill fishery

   – d.agnew@mrag.co.uk 2 Statistical Services Centre University of Reading Reading RG6 6FN United Kingdom ... sampled mi: number of secondary units that are sampled 2 U: sample variance between vessels σ2: sample ... ) and assuming a constant value for m and M, gives 1 12 21ˆ f gN UN f M gVAR Y . (2) The variances 2U ... . Normal distributions 20,j UU N and 20,ij N were assumed, where 2 U is the inter-vessel variance in y ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 139–154 : Author(s): Agnew, D.J., P. Grove, T. Peatman, R. Burn and C.T.T. Edwards

2. Biology and harvesting of Dissostichus eleginoides around the Kerguelen Islands (Division 58.5.1)

   scientifiques confies aux observateurs embarques sur les chalutiers et recemment sur un palangrier. 2 ... maturite et celle de premiere reproduction (Figure 2) en utilisant l'echelle de maturite d'Everson (1977 ... geographique ouest qui allait devenir la zone de peche privilegiee ulterieurement (Table 2). La capture notee ... en 1984/85 lors de la decouverte des fonds de peche du secteur ouest (Table 2). 11 faut toutefois ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 85–106 : Author(s): Duhamel, G.

3. Assessments of the stocks of Notothenia rossii marmorata and Champsocephalus gunnari in the South Georgia area

   - 1 - .wG-CFSA-86/2 ASSESSMENTS OF THE STOCKS OF ... fluctuations sans tendance evidente. - 2 - EVALUACIONES DE LAS RESERVAS DE NOTOTHENIA ROSSII MARMORATA Y ... 2 shows the age distribution from USSR samples in 1970, prior to the start of major commercial ... annual survival rate estimates are given in Table 2. - 5 - 1.3 Biomass Estimates Kock (1985a ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 1-21 : Author(s): Cooke, J.G.

4. Spatial distribution of management measures, Antarctic krill catch and Southern Ocean bioregions: implications for conservation planning

   et al. 2 2010), the core elements of which are summarised here in the context of a fished marine ... 2). To date there has been no central repository of standardised information on the spatial ... layers in the GIS, as detailed in Table 2 which also lists the sources of information used to generate ... -matching between datasets. Location and extent of existing spatial management areas Figure 2 shows the ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 1–19 : Author(s): Grant, S.M., S.L. Hill and P.T. Fretwell

5. Determination of Antarctic krill acoustic back-scattering cross-section

   u2 =p2x2.~2 .G4 (S;p) ~Go r4 • lOo.2S. r acoustic pressure on antenna axis reduced to 1 m distance ... of back-scattering from individual object on axis, 2 m • By excluding the dependence of the ... target its standardized value is determined b U2.r4 • lO o.2S. r p2:'X2 'fl2 (2) - 144 ... -directional antenna is determined by expression With where em d A 1(7Td)2 e2 2" X- . m maximum ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 141-152 : Author(s): Protaschuk, V.A. and T.A. Lukashova

6. Histological study on the ovarian development of mackerel icefish (Champsocephalus gunnari) from the South Georgia Islands

   CCAMLR Science, Vol. 2 (1995): 35-49 HISTOLOGICAL STUDY ... . RESULTS AND DISCUSSION identified and described (Table 2). The classification used was compared to that ... stations, length and weight data for C. gunnari. 'N' is the number of specimens examined. Table 2: Oocyte ... maturation): the size of these elements increases significantly, to about 2 500 pm in diameter. The nucleus ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 35–49 : Author(s): Macchi, G.J. and E.R. Barrera-Oro

7. Factors affecting the incidental mortality of seabirds in the Dissostichus eleginoides fishery in the southwest Atlantic (Subarea 48.3, 1995 season)

   melanophris), 2% de grands albatros (D. exulans) et 0,7% d'albatros 2 t@te grise (D. chrysostoma). De plus ... number of birds captured and released from both fleets (Table 2), 50% were southern giant petrels ... (BPUE)) of 0.37 b i rd s / l 000 hooks. Argentinian vessels set a total of 2 176 138 hooks and 250 ... activities Figure 2 graphically represents information on were P. aequinoctialis (76.6 %), followed by M ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 79–91 : Author(s): Moreno, C.A., P.S. Rubilar, E. Marschoff and L. Benzaquen

8. Large-scale peculiarities of phytocenosis species composition in the surface layer in the Antarctic Atlantic and Indian Ocean sectors

   to take plankton samples. Filtration was usually conducted at a speed of 1 litre per 1-2 minutes ... , phytoplankton biomass and surface temperatures for every tack are shown in Figures 2 to 6. One of the most ... type of the surveyed area by their phytocenosis compositions. The tacks I, 11 and III (see Figures 2 ... eastwards along tacks I and I1 (see Figures 2 and 4). On certain parts of tack I this species was ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 201-214 : Author(s): Makarov, R.R. and K.P. Fedorov

9. New data on spawning, hatching and growth of Champsocephalus gunnari on the shelf of the Kerguelen Islands

   CCAMLR Science, Vol. 2 (1995): 21-34 NEW DATA ON ... because of rough seabed. 2 - Fishing grounds (inside the contour line) for C. gunnari (positive catches ... catches of this species took place on the fishing grounds (Figure 1 and Table 2). Data have been ... C. gunnavi was reported in the catches. Table 2: Numberof C. gunnavi in monthly samples taken on ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 21–34 : Author(s): Duhamel, G

10. Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)

    (Figure 2), when compared with the trawl survey length frequency (Figure 1), supports the hypothesis ... sections from 1+, 2+ and 3+ fi sh are shown in Figure 3, with the positions of the translucent zones ... had been injected with oxytetracycline are given in Table 2. Five had been tagged and recaptured in ... value of the actual number of years between these two episodes (Table 2). Images from the otolith of ...

    Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 125–138 : Author(s): Horn, P.L., C.P. Sutton and A.L. DeVries

Pages