Resultados de la búsqueda

1. A comparison between the estimated density of krill from an acoustic survey with that obtained by scientific nets on the same survey

   part of a hydroacoustic biomass survey for Antarctic krill in CCAMLR Division 58.4.1. The acoustic ... found between the two data sets. Several orders of magnitudes were seen in the range of variation ... , excluding sites where krill represented less than 90% of the catch. This reduction in variation was thus ... Abstract:  This work presents the initial comparative analysis of acoustic and net haul krill ...

   Meeting Document : WG-EMM-97/43 : Autor(es): Pauly, T., Higginbottom, I., Hosie, G., de la Mare, W.K., Nicol, S.

2. Using predators and their prey to characterise the status of the marine ecosystem at South Georgia

   status of marine predators might be used to inform ecosystem-based management approaches. In the ... managers must evaluate the applicable scale of these predator indices if they are to be used in management ... Abstract:  Increased awareness about the present status of marine systems, including those where ... fisheries target the prey of natural predators, has led to recommendations about how information on the ...

   Meeting Document : WG-EMM-16/28 : Autor(es): P. Trathan, S. Fielding, S. Hill, M. Belchier and J. Forcada

3. The diet of black-browed albatrosses at the Diego Ramirez Islands, Chile

   Front. The prevalence in the diet of fish species discarded from fishing operations, and the presence of ... Abstract:  The diet of black-browed albatrosses was studied at Gonzalo Island, Diego Ramirez ... , Chile, during the early chick-rearing period of 2000, 2001 and 2002. Diet composition was determined by ... similar throughout the study, with diet being dominated by fish in all three years. Overall, the main ...

   Meeting Document : WG-FSA-03/9 : Autor(es): J. Arata (Chile) and J.C. Xavier (United Kingdom)

4. The diet of the blue-eyed shag Phalacrocorax atriceps during summer at Nelson Island, Antarctica: temporal variations and consumption rates

   important by number (60%). The mean mass of the stomach contents was 220 g, whereas the mean number of fish ... Abstract:  One hundred and thirty nine stomach contents of the blue-eyed shag Phalacrocorax ... coriiceps, predominated in frequency (56%) and in mass (55%), whereas Harpagifer antarcticus was the most ... the adults averaged 1.7 trips day-1 during incubation, 2.0 trips day-1 in early rearing and 4.6 trips ...

   Meeting Document : WG-EMM-95/82 : Autor(es): Silva, P., Barrera-Oro, E., Casaux, R., Favero, M., Coria, N.

5. Age estimation and maturity of the ridge-scaled macrourid (Macrourus whitsoni) from the Ross Sea

   analysis of otoliths from small specimens greatly increased confidence in the interpretation of the zone ... 0.159 for females. Revised estimates of the mean total length–at– maturity (38.8cm, 46.4cm) and mean age ... Abstract:  Juveniles of the macrourid rattail Macrourus whitsoni were collected by the NIWA ... research vessel Tangaroa during the BioRoss survey of the Western Ross Sea and Balleny Islands, with the ...

   Meeting Document : WG-FSA-05/20 : Autor(es): P.M. Marriott, M.J. Manning and P.L. Horn (New Zealand)

6. CEAMARC, the Collaborative East Antarctic Marine Census for the Census of Antarctic Marine Life (IPY # 53): An overview

   was a major ship-based research programme in the austral summer of 2007e2008 involving scientists from ... the marine life in this poorly studied sector and will help to establish the monitoring of future ... comprehensive survey of the plankton, fish, benthos, oceanography and geophysical conditions of the waters north ... for the Census of Antarctic Marine Life (IPY # 53): An overview Approval:  Approved ...

   Meeting Document : WS-MPA-11/P01 : Autor(es): G. Hosie, P. Koubbi, M. Riddle, C. Ozouf-Costaz, M. Moteki, M. Fukuchi, N. Ameziane, T. Ishimaru, A. Goffart

7. Report on the activities and meetings of the Scientific Committee on Antarctic Research (SCAR) 2003/04

   :  Report on the activities and meetings of the Scientific Committee on Antarctic Research (SCAR) 2003/04 ... Author(s):  SCAR representative in CCAMLR, CCAMLR representative in SCAR, E. Fanta (Brazil) Title ...

   Meeting Document : CCAMLR-XXIII/BG/37 : Autor(es): SCAR representative in CCAMLR, CCAMLR representative in SCAR, E. Fanta (Brazil)

8. Further progress on modelling the krill–predator dynamics of the Antarctic ecosystem

   Abstract:  This paper addresses work conducted on the Mori-Butterworth multi-species model of the ... Antarctic ecosystem subsequent to the Ulsan meeting of the IWC Scientific Committee. Points raised about the ... unable to fully utilise the primary production available. The precision of parameters estimated when ... to act as a surrogate for these in addition to the seals themselves. This results in an improved fit ...

   Meeting Document : WG-EMM-06/19 : Autor(es): M. Mori (Japan) and D.S. Butterworth (South Africa)

9. On the taxonomy of the Lepidonotothen squamifrons group (Pisces, Perciformes, Notothenioidei)

   significant difference in allele frequencies between specimens from geographically isolated shelf areas of the ... Abstract:  The Lepidonotothen squamifrons group has been described to be comprised of 3 species: L ... recognized as L squamifrons and L kempi from various localities in the Scotia Arc region and the Kerguelen ... ; represent only populations of one species. Evidence is presented that the third species of the group, L ...

   Meeting Document : WG-FSA-93/25 : Autor(es): R. Schneppenheim and K.-H. Kock (Germany), G. Duhamel (France) and G. Janssen (Germany)

10. The foraging range of Adélie penguins at Béchervaise Island, Mac. Robertson Land, Antarctica, and its overlap with the krill fishery

    when the sea became ice free to the coast. Concentrations of krill, Euphausia superba, which have in ... . Robertson Land Coast (approximately 150 000 pairs) and any future harvest of krill in the region. The ... in the South Shetland and South Orkney Islands and reflects the distance offshore of krill, one of ... Paper Title:  The foraging range of Adélie penguins at Béchervaise Island, Mac. Robertson Land ... the sea became ice free to the coast. Concentrations of krill, Euphausia superba, which have in the ... . Robertson Land Coast (approximately 150000 pairs) and any future harvest of krill in the region. The ... birds in the South Shetland and South Orkney Islands and reflects the distance offshore of krill, one ... must remain in the colony to brood, guard and feed their chicks and the frequency of feeding visits ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 337–344 : Autor(es): Kerry, K.R., J.R. Clarke and G.D. Else

Páginas