Resultados de la búsqueda
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ESTIMATING THE SWEPT AREA OF DEMERSAL LONGLINES BASED ON IN-SITU VIDEO FOOTAGE
total time to retrieve the line, we estimate that up to 0.122 km2 of seafloor was swept by the line ... while it was being retrieved. Consequently the area of seafloor affected by demersal longlines is shown ...
Meeting Document : WG-FSA-08/58 : Autor(es): D. Welsford and R. Kilpatrick (Australia)
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BIOMASS ESTIMATES AND SIZE DISTRIBUTIONS OF DEMERSAL FINFISH ON THE ROSS SEA SHELF AND SLOPE FROM THE NEW ZEALAND IPY-CAML SURVEY, FEBRUARY-MARCH 2008
Subarea 88.1). The shelf and slope were stratified by depth and at least three random trawls completed in ... item in the toothfish diet. Biomass estimates and catch rates by station are presented for the eight ...
Meeting Document : WG-FSA-08/31 : Autor(es): S.M. Hanchet, M.L. Stevenson (New Zealand), C. Jones (USA), P.M. Marriott, P.J. McMillan, R.L. O’Driscoll, D. Stevens, A.L. Stewart and B.A. Wood (New Zealand)
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Workshop on International Coordination (14 to 18 July 1997)
Abstract: The 1997 Workshop on International Coordination was convened by Suam Kim (Korea) at ... , the types of observations conducted and the equipment used by each member country…[contact the ...
Meeting Document : WG-EMM-97/44
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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 : Autor(es): Røv, N., Lorentsen, S., Klages, N.
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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 : Autor(es): Kerry, K., Rodary, D., Bost, C., Lemaho, Y., Wienecke, B.C., Thomson, R., Lawless, R., Pauly, T., Robertson, G.
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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 : Autor(es): Pauly, T., Penrose, J.D.
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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 : Autor(es): Terazaki, M., Ichii, T., Kawaguchi, K., Nishikawa, J., Ishii, H., Naganobu, M.
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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 : Autor(es): W. de la Mare (Australia)
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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 : Autor(es): T. Iwami (Japan)
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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 : Autor(es): E.R. Barrera-Oro and R.J. Casaux (Argentina)