Résultats de la recherche

1. Depth distribution and spawning pattern of Dissostichus eleginoides at South Georgia

   August, and with a low mean length at depth- April and July. Examination of maturity data suggests that ... in addition to a major spawning event in late July/August, there may be a small spawning event in ... length at depth are May and August, and with a low mean length at depth - April and July. Examination of ... maturity data suggests that in addition to a major spawning event in late July/August, there may be a ... ., 1995), similar t o that i n Chilean waters (July t o August; Moreno et al., 1997) a n d a r ... (CCAMLR, 1994, paragraph 8.27). In 1998 the season was from 1 April to 31 August. South Georgia Shag ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 19–36 : Auteur(s): Agnew, D.J., L. Heaps, C. Jones, A. Watson, K. Berkieta and J. Pearce

2. A compilation of parameters for ecosystem dynamics models of the Scotia Sea – Antarctic Peninsula region

   . Branch and Butterworth (2001) reported the number of pods, by species, sighted on surveys of larger ... 95% confi dence intervals) 36 069 (9 831–42 274) and the Branch and Butterworth (2001) data ... . Branch, T.A. and D.S. Butterworth. 2001. Estimates of abundance south of 60°S for cetacean spe- cies ... density of whales in each stratum listed in Branch and Butterworth (2001) was calculated as the product ...

   Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 1–25 : Auteur(s): Hill, S.L., K. Reid, S.E. Thorpe, J. Hinke and G.M. Watters

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 ... prior to the CCAMLR Workshop on Estimating Age in Patagonian Toothfi sh (SC-CAMLR, 2001) at which ...

   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. 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 ... zones. Assuming hatching from late austral winter onwards (August–early September), 1 September was ... age esti- mates (or ageing precision) (Campana, 2001), the index of average percent error (APE ... –length dataset rather than the mean length-at-age (Haddon, 2001). The growth performance index (Φ’ = 2 ...

   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

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

   validating ageing methodologies is well understood (Campana, 2001). Also, while Horn’s (2002) growth ... length (TL) are seldom caught (Hanchet et al., 2001). Horn (2002) concluded that multiple banding was ... sh (Dissostichus eleginoides) (Cassia, 1998; Kalish and Timmiss, 2001; Horn, 2002). Because the ... -frequency data (with associated otoliths) exhibiting distinct juvenile modes (Jones et al., 2001), and a ...

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

6. Investigation of bias in the mark–recapture estimate of toothfish population size at South Georgia

   population size at South Georgia Figure 3: CPUE density interpolated from all data from 2001 to 2004 in box ... box. Open circles represent mean effort (in hooks) from 2001 to 2004, with the diameter of the ... to 2003. The annual cycle described above was then simulated for years 2001 and 2002, but without ... ) de 2001 à 2004, le diamètre des cercles étant proportionnel au nombre d’hameçons. Figure 3: Densité ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 47–63 : Auteur(s): Agnew, D.J., G.P. Kirkwood, J. Pearce and J. Clark

7. Experimental evaluation of the effectiveness of weighting regimes in reducing seabird by-catch in the longline toothfish fishery around South Georgia

   caught was dependent on the weighting regime long-term health of the bird concerned. In total, and the ... around South Georgia in the 1998 winter fishery (April to August). By-catch rates from the 8.5 kg/ 40 m ... interact with the vessel during setting operations. From early sets it was found that the high number ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 119–131 : Auteur(s): Agnew, D.J., A.D. Black, J.P. Croxall and G.B. Parkes

8. A proposed management procedure for the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity

   , K.-H., J.M. Clark and C.A. Moreno. 2008. Interactions between cetaceans and fisheries in the ... . Killer whale (Orcinus orca) and sperm whale (Physeter mac- rocephalus) interactions with longline ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 33–69 : Auteur(s): Brandão, A. and D.S. Butterworth

9. Options for allocating the precautionary catch limit of krill among small-scale management units in the Scotia Sea

   the Scientifi c Committee and the Commission (SC-CAMLR, 2001; CCAMLR, 2001), and a workshop was ... et al., 1999; Boyd and Murray, 2001). While it may be preferable to index krill biomass and/or ... 2000/01 34.7 5263 –4.701 6.6 2.320 –4.176 2001/02 46.6 5240 –4.628 3.3 2.451 –4.331 2002/03 no data ... Georgia (Boyd and Murray, 2001; Boyd, 2002b). In contrast, the predator and krill data for the South ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 81–97 : Auteur(s): Hewitt, R.P., G. Watters, P.N. Trathan, J.P. Croxall, M.E. Goebel, D. Ramm, K. Reid, W.Z. Trivelpiece and J.L. Watkins

10. Fishing for toothfish using pots: results of trials undertaken around South Georgia, March–May 2000

    CCAMLR Scier~ce, Vol. 8 (2001): 93-105 FISHING FOR ... scientific observers on board, as per CCAMLR guidelines. Observations indicated that the interaction of ... , or accessible to, scavenging birds. The only witnessed interaction with setting operations was when ... interactions of marine mammals with fishing operations. No direct interactions were seen. Antarctic fur seals ...

    Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 93–105 : Auteur(s): Agnew, D.J., T.M. Daw, G.M. Pilling and M.G. Purves

Pages