Résultats de la recherche

1. Age, growth and mortality of Patagonian toothfish (Dissostichus eleginoides) caught off Kerguelen

   , 2001). The revealed section was fi ne-ground and polished using a Crystalmaster 8 Machine with 30M ... the readings for each section was used as its reference age (Ashford, 2001). Reference and sample ... Kerguelen between depths of 500 and 1 500 m by the longliner FV Northern Pride, and in August/September ... approximately 3–4 minutes until brown. Using the grinding wheel of a HillQuist Thin Section machine, each ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 29–41 : Auteur(s): Ashford, J., G. Duhamel, C. Jones and S. Bobko

2. A review of the diet and at-sea distribution of penguins breeding within the CAMLR Convention Area (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   success when compared to unencumbered control birds (Ballard et al., 2001; Hull, 1997; Ropert-Coudert ... et al., 2000b, 2007a, 2007b; Taylor et al., 2001). A number of technologies to study penguin ... oesophagus that detect drops in temperature when cold prey items are ingested (Charrassin et al., 2001 ... the Weddell–Scotia Sea conflu- ence in July–August 1988. Of diet by mass, 99% comprised squid: 48% P ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 75–114 : Auteur(s): Ratcliffe, N. and P. Trathan

3. Length-at-age in juvenile Patagonian toothfish (Dissostichus eleginoides)

   ., 2001) that, over the lifespan of the fi sh, age estimates derived from scale readings are lower than ... considered to provide the best and most consistent pattern for readers estimating age (Ashford, 2001 ... . eleginoides were prepared according to the method of Ashford (2001). The left or right otolith from sampled ... fi sh was randomly selected, baked and ground using a Hillquest thin section grinding machine to ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 1–10 : Auteur(s): Ashford, J., C. Jones, S. Bobko and I. Everson

4. A quantified Bayesian Maximum Entropy estimate of Antarctic krill abundance across the Scotia Sea and in small-scale management units from the CCAMLR-2000 Survey

   The CCAMLR 2000 Krill Synoptic Survey of Area 48 (CCAMLR-2000 Survey) (Trathan et al., 2001; Hewitt ... - mass and standard deviation values, that issues of calibration, target strength, krill orientation ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 97–116 : Auteur(s): Heywood, B.G., A.S. Brierley and S.F. Gull

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

   interannual variability in the distribution of trawls. The data for 1993 were only available from August but ... results are discussed in relation to the ecology of krill and the fishery's interaction with local ... interannual variability in the distribution of trawls. The data for 1993 were only available from August but ... valleys. The results are discussed in relation to the ecology of krill and the fishery's interaction with ... available. From August 1994 all vessels licensed to operate in the South Georgia and South Sandwich ... recorded in the trawl dataset represent 71% of the catches recorded from August to October 1993 but only ...

   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. Intra-annual variability in the density of Antarctic krill (Euphausia superba) at South Georgia, 2002–2005: within-year variation provides a new framework for interpreting previous ‘annual’ estimates of krill density

   moorings (Reid and Brierley, 2001). It has been shown previously (Reid and Brierley, 2001) that sizes of ... may occur against the predominately low winter signal (e.g. July–August in 2005) (Figure 2), and ... for a calibrated echo sounder, and issues with identifying echoes from target organisms in single ... physical interactions operating at various scales throughout the Scotia Sea (Murphy et al., 1998) and ...

   Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 27–41 : Auteur(s): Saunders, R.A., A.S. Brierley, J.L. Watkins, K. Reid, E.J. Murphy, P. Enderlein and D.G. Bone

7. A review of the effectiveness of streamer lines as a seabird by-catch mitigation technique in longline fisheries and CCAMLR streamer line requirements

   effective at reducing sea- bird attacks and mortality than a single streamer line (Melvin et al., 2001 ... ; Fenaughty, 2001; Smith, 2001). Based on these observations, the CCAMLR ad hoc Working Group on Incidental ... (Melvin and Robertson, 2001). Streamer line designs in current use stem from the best efforts and anec ... line. Boggs (2001) reported a 70% reduc- tion in North Pacifi c albatross contacts with baits using ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 189–201 : Auteur(s): Melvin, E.F., B. Sullivan, G. Robertson and B. Wienecke

8. Analysis of albatross and petrel distribution within the CCAMLR Convention Area: results from the Global Procellariiform Tracking Database

   breeding sites, the principal threat to many species is from interaction with fisheries (Robertson and ... , albatrosses and petrels are not only the object of at-sea observation data (e.g. White et al., 2001; Woehler ... areas still represent areas where there is potential interaction with fisheries. Data holders ... CCAMLR open and closed fishing periods that apply to Subarea 48.3 (open 1 May–31 August, closed 1 ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 143–174 : Auteur(s): BirdLife International (prepared by C. Small and F. Taylor)

9. Otolith and body size relationships in bigeye grenadier (Macrourus holotrachys) in CCAMLR Subarea 48.3

   August 2001. Specimens were frozen and then thawed prior to examination at the British Antarctic ... . Williams. 2001. Trophic interactions between the Patagonian toothfi sh, its fi shery, and seals and ... ; Goldsworthy et al., 2001), and discarded by- catch fi sh are known to be taken by black-browed and grey ... interactions in the Southern Ocean ecosystem. In the waters around South Georgia and Macquarie Island ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 133–143 : Auteur(s): Morley, S. and M. Belchier

10. Age and growth of spiny icefish (Chaenodraco wilsoni Regan, 1914) off Joinville–D’Urville Islands (Antarctic Peninsula)

    austral winter (August–September) onwards (Kock et al., 2008). Post-larvae and early juveniles are ... was generally found from the core towards the proximal-ventral side of the otolith section. As a ... zones. Assuming hatching from late austral winter onwards (August–early September), 1 September was ... . When the difference remained, the otolith section was dis- carded. To estimate the reproducibility of ...

    Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 115–130 : Auteur(s): La Mesa, M., A. De Felice, C.D. Jones, K.-H. Kock

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