Resultados de la búsqueda
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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)
underestimates of density, although these issues can be overcome to some extent using distance sampling to ... 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 ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 75–114 : Autor(es): Ratcliffe, N. and P. Trathan
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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 : Autor(es): Ashford, J., C. Jones, S. Bobko and I. Everson
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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 : Autor(es): Heywood, B.G., A.S. Brierley and S.F. Gull
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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 ... interannual variability in the distribution of trawls. The data for 1993 were only available from August but ... interactions between the environment and krill. Such studies, however, are usually geographically limited and ... -fishery interactions. An understanding of the localised interactions of predators and prey around ... around South Georgia (Trathan et al., 1992). The data give insight into the local interactions between ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 1–17 : Autor(es): Murphy, E.J., P.N. Trathan, I. Everson, G. Parkes and F.H.J. Daunt
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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 ... for a calibrated echo sounder, and issues with identifying echoes from target organisms in single ... may occur against the predominately low winter signal (e.g. July–August in 2005) (Figure 2), and ... 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 : Autor(es): Saunders, R.A., A.S. Brierley, J.L. Watkins, K. Reid, E.J. Murphy, P. Enderlein and D.G. Bone
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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 ... , the diving ability and competitive interactions of individual species within that assemblage, fi ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 189–201 : Autor(es): Melvin, E.F., B. Sullivan, G. Robertson and B. Wienecke
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Analysis of albatross and petrel distribution within the CCAMLR Convention Area: results from the Global Procellariiform Tracking Database
, albatrosses and petrels are not only the object of at-sea observation data (e.g. White et al., 2001; Woehler ... CCAMLR open and closed fishing periods that apply to Subarea 48.3 (open 1 May–31 August, closed 1 ... these data are presented in Section 3.3 in Tracking Ocean Wanderers (BirdLife International, 2004b ... duplicate those provided in the section above on breeding distribution. However there were suf- ficient ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 143–174 : Autor(es): BirdLife International (prepared by C. Small and F. Taylor)
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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 ... interactions in the Southern Ocean ecosystem. In the waters around South Georgia and Macquarie Island ... ; Goldsworthy et al., 2001), and discarded by- catch fi sh are known to be taken by black-browed and grey ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 133–143 : Autor(es): Morley, S. and M. Belchier
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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 : Autor(es): La Mesa, M., A. De Felice, C.D. Jones, K.-H. Kock
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Fishing intensity of the Soviet fleet in krill fisheries in the southern Atlantic (Subareas 48.2 and 48.3)
ecosystem approach adopted by CCAMLR (SC-CAMLR, 1993 and 2001; Thomson et al., 2001; Hewitt and Low, 2000 ... theory of fi sheries systems developed in AtlantNIRO by Kadilnikov (1985 and 2001). This theory ... CCAMLR Statistical Bulletins (CCAMLR, 1994 and 2001). Fishing effort was standardised over the groups ... catches reached 400 000 tonnes (CCAMLR, 1994 and 2001) from which 95 to 99% was taken by the Soviet fl ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 15–35 : Autor(es): Kasatkina, S.M. and V.F. Ivanova