Résultats de la recherche

1. Diet and prey consumption of Antarctic petrels Thalassoica antarctica at Svarthamaren, Dronning Maud Land and at sea outside the colony

   %), followed by Crustaceans (5%). The prey composition and length found in this study is comparable to what is ... %), followed by fish (29%) and squid (3%), whereas individuals collected in the pack ice took mostly fish (95 ... found in other diet studies. Estimates of food consumption for birds breeding at Svarthamaren (c ...

   Meeting Document : WG-EMM-97/58 : Auteur(s): Røv, N., Lorentsen, S., Klages, N.

2. Adélie penguins foraging behaviour and krill abundance along the Wilkes and Adélie Land coasts, Antarctica

   foraging areas and krill distribution. The maximal distances travelled by penguins from Shirley Island were ... significantly greater than those by penguins from Petrel Island (SI 68- 113 km; Petrel Island about 37 km ...

   Meeting Document : WG-EMM-97/64 : Auteur(s): Kerry, K., Rodary, D., Bost, C., Lemaho, Y., Wienecke, B.C., Thomson, R., Lawless, R., Pauly, T., Robertson, G.

3. Laboratory target strength measurements of free swimming Antarctic krill (Euphausia superba)

   than a threshold, determined by the system noise level. Dorsal and ventral target strength estimates ... were calculated indirectly by deconvolution of the cumulative probability function of echo ensembles of ...

   Meeting Document : WG-EMM-97/75 : Auteur(s): Pauly, T., Penrose, J.D.

4. Distribution of salps near the South Shetland Islands during austral summer, 1990/1991 with special reference to krill distribution

   concentrations. Predation by salps on small krill and the competitive removal of food by them, are discussed as ... found, and the former was dominant numerically. Spatial distribution and generation composition of these ... so the January-February period. While E. superba was found mainly in the coastal area which showed ...

   Meeting Document : WG-EMM-95/54 : Auteur(s): Terazaki, M., Ichii, T., Kawaguchi, K., Nishikawa, J., Ishii, H., Naganobu, M.

5. Towards a new method for age determination in Antarctic krill, and evidence that krill shrink under natural conditions

   reached by length-frequency analysis may be unreliable. In this study, the correlation between the body ... unchanged. If crystalline cone number is little affected by shrinking, then the crystalline cone number may ...

   Meeting Document : WG-Krill-94/17 : Auteur(s): W. de la Mare (Australia)

6. Fishes caught along with the Antarctic krill in the vicinity of the South Shetland Islands during the austral summer months of 1994

   Abstract:  Observations on abundance of by-catch fishes were made during the austral summer months ... in 25 trawl catches (Table 1). Among by-catch fishes, juvenile Lepidonotothen larseni was the most ... Islands. Among 99 net hauls examined, a total of 77 specimens of fishes belonging to 13 species were found ... abundant (26 individuals) and most common species (found at 11 hauls). Juvenile and postlarval ...

   Meeting Document : WG-Krill-94/25 : Auteur(s): T. Iwami (Japan)

7. Fish as diet of the blue-eyed shag, Phalacrocorax atriceps bransfieldensis at Half-Moon Island, South Shetland Islands

   the diet of the blue-eyed shag Phalacrocorax atriceps bransfieldensis. Fish species were identified by ... by number (37.9%), whereas N. coriiceps prevailed in mass (35.8%). With the exception of G ... means of otoliths found in the casts. The size and weight of the fish were estimated from the otolith ... , comprising 91% of prey items. From the 937 otoliths found, 562 fish were represented and 524 were assigned to ...

   Meeting Document : WG-CEMP-94/32 : Auteur(s): E.R. Barrera-Oro and R.J. Casaux (Argentina)

8. Antarctic krill, Euphausia superba Dana, demography studies in the seas of Sodruzhestvo and Cosmonauts (Indian Ocean sector of Antarctica)

   . Bertalanffy growth curves calculated for different areas are close to that obtained by Australian researchers ... (Hosie et al., 1988) for the Prydz Bay by data for 1981-1985. Basing on long-term observations, relations ...

   Meeting Document : WG-KRILL-93/45 : Auteur(s): E.A. Pakhomov (Ukraine)

9. Notes on the use of virtual population analysis for stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea 48.3 for the 1990/91 and 1991/92 seasons

   , dominated in recent years by the 1987 year class (1 year olds in 1988), was quite robust, despite the use of ... approach to management for 1992/93 is recommended, based on the results of surveys by Falklands Protector ...

   Meeting Document : WG-FSA-92/27 : Auteur(s): G. Parkes (United Kingdom)

10. Some comments on the procedure for testing estimators of krill abundance which utilise survey data

    " models of krill distribution are considered. These achieve overall spatial correlation by placing ... by MV SA Agulhas. However, evidence of model misspecification remains. Further work is needed before ...

    Meeting Document : WG-KRILL-91/21 : Auteur(s): D.S. Butterworth, D.L. Borchers and D.G.M. Miller (South Africa)

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