Résultats de la recherche

1. CCAMLR ecosystem monitoring and a feedback management procedure for krill

   maintenance of predator populations, including the recovery of depleted whale populations, by the CCAMLR ... inadvertently affect other predators and can be utilised in a feedback management procedure by the Commission ... . This paper examines some of the issues that need to be addressed by the Scientific Committee in ... being affected or are likely to be affected by krill harvesting. The Commission then can formulate or ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 345–350 : Auteur(s): Constable, A.J.

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

   has ever been fished, and this fishing is concentrated in three of the seven bioregions found in the ... measure (CM) agreed by the Commission in 2011 (CM 91-04) sets out a general framework for establishing ... ) provided by the CCAMLR Secretariat. These combined data were used to assess: (i) the location and ... (Grant et al., 2006) was endorsed by the Sci- entific Committee in 2007 as providing a basis for ... rectangles (FSRs: 1° × 0.5°). They are based on haul-by-haul catch data, but are rescaled to sum to the ...

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

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

   found to be dominated by diatoms (Waters et al., 2000) and characterised by higher productivity ... (Jenkins, 1988; Falkowski et al., 1991). This field has devel- oped by applying photosynthesis models ... of a sat- ellite algorithm stems from the global coverage afforded by satellite ocean colour data ... accuracy values are better (lower by as much as 12%) for each sensor, but the sample size is smaller. CZCS ...

   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

4. The ecosystem approach to managing fisheries: achieving conservation objectives for predators of fished species

   to protecting predators of target species by adopting the krill yield model Ecosystem approach ... by Butterworth and his co-workers (e.g. Butterwort11 and Thornson, 1995; Thomso~~ et al., 2000) and ... performance of the management system could be achieved by altering t l~e rules or other aspects of the ... met by fisheries. These points are illustrated using a simple simulation model that could be used as ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 37–64 : Auteur(s): Constable, A.J

5. Distribution and relative abundance of Antarctic toothfish (Dissostichus mawsoni) on the Ross Sea shelf

   in CCAMLR Subarea 88.1 has been operating since 1996/97, conducted by commercial longliners (Figure ... 1). A large amount of data on toothfish and the associ- ated by-catch has been collected. Annual ... , movement and trophic status, much of which was reviewed and summarised by Hanchet et al. (2003) and ... being fished by the exploratory fishery, the spatial management of the fishery and an understanding of ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 33–51 : Auteur(s): Hanchet, S.M., S. Mormede and A. Dunn

6. An impact assessment framework for bottom fishing methods in the CAMLR Convention Area

   workshop attended by rele- vant experts (including benthic ecologists, fisheries managers, fisheries ... observers and vessel captains with extensive experience in the Ross Sea fishery), followed by extensive ... of the approach adopted by the New Zealand Antarctic Bottom Fishing Impact Assessment Workshop ... (hereafter ‘NZ Workshop’) to assess and quantify the likely cumulative impact on potential VMEs by New ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 195–210 : Auteur(s): Sharp, B.R., S.J. Parker and N. Smith

7. Geographical differences in the condition, reproductive development, sex ratio and length distribution of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (CCAMLR Subarea 88.1)

   study indicate measurable differences in a number of indices from toothfish found on the Ross shelf ... - sideration should be given to a more sophisticated analysis by modelling using the complete Ross Sea ... ‘axe handles’ by vessel crew, are generally much thinner in the body directly behind the head than ... . The girth meas- urement was made by encircling the body imme- diately behind the pectoral fins with ... condition factor analysis. The length and weight data were analysed and grouped by 1 cm total length bins ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 27–45 : Auteur(s): Fenaughty, J.M

8. Cephalopod research in the Antarctic

   range of the major species of the Antarctic is given by Fischer and Hureau (1985) but this list is ... shelf or island groups. A cephalopod sampling programme, using a RMT25, was initiated by the ... Herwig', 'Polarstern' and 'Professor Siedlecki' cruises, is being examined by the author at SAS ... •. Considerable progress could be made by further sampling for cephalopods with large mid-water and bottom trawls ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 323-334 : Auteur(s): Rodhouse, P.G.

9. Catch per unit effort (CPUE) data from the early years of commercail krill fishing operations in the Atlantic sector of the Antarctic

   were rarely caught, which corresponds to the 50"/0 retention length found by Czubek (1981) and Klages ... (Siegel, 1988; Siegel et al., 1997). We reduce this effect in the CPUE data by using the mean catch per ... split-year a s suggested above. Soviet a n d German haul-by-haul data were not available to Miller ... 1982/83 1983/84 1984/85 1985/86 1986/87 1987/88 Haul-by-haul catch and effort data were ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 31–50 : Auteur(s): Siegel, V., V. Sushin and U. Damm

10. Analyses of acoustic line-transect data from the waters around South Georgia: estimation of krill (Euphausia superba Dana) – biomass

    interdisciplinary program of data collection, various aspects of which have been discussed by Priddle et al. (1986 ... ) and Atkinson and Peck (1988). The survey region was a 180 by 240 n mile box centred on the island of ... of 29.73 mm. This mean size is similar to that of the krill used by Everson et al. (1990) to ... = 1, .. ,N strata. The density of a sample unit is then given by: 1\ b .. p" - ~ Z) - Lij bij ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 225–243 : Auteur(s): Murphy, E., I. Everson and A. Murray

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