Résultats de la recherche

1. A possible framework in which to consider plausible models of the Antarctic marine ecosystem for evaluating krill management procedures

   of an ecosystem-based management pro- cedure for krill (CCAMLR, 2001). This has entailed the ... (CCAMLR, 2002), to begin to review how the CCAMLR Ecosystem Monitoring Program could provide information ... date and (ii) provide for conservation of the wider ecosystem. The agreed work plan includes ... of different components of the ecosystem. While not all management pro- cedures require the same ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 99–117 : Auteur(s): Constable, A.J

2. A first step towards modelling the krill–predator dynamics of the Antarctic ecosystem

   not take into account the possibility of a change in the composition and pro- portion of the seal ... that no krill catch is considered as (to date) this has been small compared to krill abun- dance ... can apply to either or both birth (together with calf-survival) and death rates; bio- logically these ... minimisation pro- cess of the ADMB package used for these compu- tations. The effect of this change is not ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 217–277 : Auteur(s): Mori, M. and D.S. Butterworth

3. Sensitivity investigation of the SDWBA Antarctic krill target strength model to fatness, material contrast and orientation

   study, the SDWBA TS pattern and frequency response behaviours at standard survey frequencies and animal ... the distribution of animal orientations. Due to the high variability of TS to realistic changes in ... and animal lengths are explored via a sensitivity analysis of some important parameters: number of ... seawater and the distribution of animal orientations. Due to the high variability of TS to realistic ... the animal body shape when juxtaposed. Hence, numerical parameters describing the actual shape of ... the along-axis deforma- tion and changes in animal body curvature during swimming. With a successive ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 97–122 : Auteur(s): Calise, L. and G. Skaret

4. Evaluating the impact of multi-year research catch limits on overfished toothfish populations

   research fishing pro- gram, constant catches (from 15 tonnes yr–1 to 90 tonnes yr–1 in 15-tonne intervals ... –30 Dec 0–945 tonnes yr–1 (see Table 2) 0–90 tonnes yr–1 (see Table 2) Simulation specifications ... structure 1 Years prior to fishing 5 Reference start date in year 1/1 Increments in year 365 Years ... ) Parameter set 1 945 10% 0, 15, 30, 45, 60, 75, 90 As per Table 1 2 893 15% " " 3 841 20% " " 4 782 ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 47–55 : Auteur(s): Welsford, D.C

5. Precautionary spatial protection to facilitate the scientific study of habitats and communities under ice shelves in the context of recent, rapid, regional climate change

   one of the recommendations made by the Antarctic Treaty Meeting of Experts in 2010. File:  Trathan et ... , marine habitats and communities beneath them remain fully pro- tected as they are difficult to access ... isolate the Antarctic benthos, but raised temperature will probably increase survival rates, if invading ... international organisations and pro- grams such as SCAR, especially the new SCAR science programs Antarctic ... which date the seaward boundaries could be reconsidered in the light of updated information on ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 139–151 : Auteur(s): Trathan, P.N., S.M. Grant, V. Siegel and K.-H. Kock

6. Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea, Antarctica

   . Eight species of icefish have been reported caught in the fishery in the CCAMLR vessel log- book (C2 ... proved to be unnecessary due to the high pro- portion of fish with empty stomachs. The GSI was plotted ... zone to the date when the ith fish was captured. Hence, ti,1 = ti, end first opaque zone – ti ... , spawning date ti,2 = (ni + w) – 1 ti,3 = ti, capture – ti, end last opaque zone (4) where ni = the total ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 139–165 : Auteur(s): Sutton, C.P., M.J. Manning, D.W. Stevens and P.M. Marriott

7. An overview of Southern Ocean zooplankton data: abundance, biomass, feeding and functional relationships (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   minority addressing rate processes. This review aims to summarise these data and show where it resides, to ... processes. This review aims to summarise these data and show where it resides, to assist SO food-web ... euphausiids, amphipods up to myctophid fish and birds. Atkinson et al. 172 Introduction During the 80 ... user group. This review is aimed primarily at modellers, data compilers, or those outside SO- or ... (1990), Atkinson (1998), Pakhomov et al. (2002a) and Hunt et al. (2008). The review is structured ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 171–218 : Auteur(s): A. Atkinson, P. Ward, B.P.V. Hunt, E.A. Pakhomov and G.W. Hosie

8. An assessment of toothfish in Subarea 48.3 using CASAL

   survivorship of 90%) was used in CASAL and mark–recapture estimates of vulnerable biomass. Analysis of growth ... are undoubtedly rather high for an animal with the longevity of toothfish and its relatively low ... instantaneous date assumed for estimates was set to 31 June (mid-season), so as to approximate the same time ... performed. Long-term yield calculation CASAL also allows for stochastic/MCMC pro- jections for a given ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 65–95 : Auteur(s): Hillary, R.M., G.P. Kirkwood and D.J. Agnew

9. Some thoughts on precautionary measures for the krill fishery

   be between 100 and 200 million tonnes. Assuming a pro rata distribution of predation pressure this ... these species is less than 250 km. Bearing in mind that 80% of the krill consumed is taken by macaroni ... mentioned above might be addressed by restricting krill harvesting to the levels outlined above within the ... obtaining direct estimates of standing stock from a synoptic survey over a large area (the largest to date ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 1–11 : Auteur(s): Everson, I. and W.K. de la Mare

10. Chilean krill fishery: analysis of the 1991 season

    100 co ...r 90 ctl Q) "- 80 ctl .0 ::J 70 Cl) 60 E 0 '-....... 50 .c () 40 ro () 30 ... . 281 Chilean Krill Fishery Analysis of 199 'I season 90 ~·_~w __ 80 --- --..-... E ---- 75 ... Group of KriU (WG-KriU) including among other jobs to review and evalu~te information concerning the ... feeding krill and gravid females are avoided by the fishery. In producing frozen kriH, the whole animal ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 273–287 : Auteur(s): Marín, V.H., A. Mujica and P. Eberhard

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