Résultats de la recherche
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Competition-mediated prey availability drives Adélie penguin (Pygocelis adeliae) chick size, mass and condition at colonies of differing size in the southern Ross Sea
interactions between them, is a key component in understanding the factors driving changes in animal ... presence of two giant icebergs from 2001 to 2005 increased sea ice concentrations, reducing adult foraging ... food webs may affect changes in Adélie penguin populations in the Ross Sea and elsewhere. Author(s ... Zealand), D.G. Ainley, K. Dugger, S. Jennings (USA), A. Lescroël (France) and P.R. Wilson (New Zealand ...
Meeting Document : WG-EMM-13/31 : Auteur(s): A.L. Whitehead (Australia), P. O’B. Lyver (New Zealand), G. Ballard (USA), K. Barton, B.J. Karl (New Zealand), D.G. Ainley, K. Dugger, S. Jennings (USA), A. Lescroël (France) and P.R. Wilson (New Zealand)
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Comparative studies on the biological and acoustical properties of krill aggregations (Euphausia superba Dana) samples during the XIII Italian Expedition to the Ross Sea (December 1997–January 1998)
sphere method, is 20-100 times higher than the one estimated from the catch. The geographical biomass ... recordings during the hauls. The surveyed area extended from 71° to 76°' S in latitude and from 164° E ... period of year. Author(s): M. Azzali, J. Kalinoswki, G. Lanciani and I. Leonori (Italy) Title ... catch data and the one obtained by processing acoustic data, acquired during the net sampling; (2) to ...
Meeting Document : WG-EMM-00/39 : Auteur(s): M. Azzali, J. Kalinoswki, G. Lanciani and I. Leonori (Italy)
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KRILL CONSUMPTION ESTIMATES FOR CRABEATER SEALS AT THE ANTARCTIC PENINSULA AND THE WESTERN WEDDELL SEA WITH SPECIAL REFERENCE TO SSMUS OF AREA 48.1
Antarctic Peninsula and western Weddell Sea region (90° to 30° W and 60° to 80° S), with special reference ... bioenergetic model specifically developed for crabeater seals. Author(s): J. Forcada and P.N. Trathan (United ...
Meeting Document : WG-EMM-09/21 : Auteur(s): J. Forcada and P.N. Trathan (United Kingdom)
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To the question for bioregionalisation of the Antarctic waters with ecosystem approach
resources to determine by position of the South Ocean and originaly it's geographic isolation unity ... good isolation ecosistem. In my book (Shust,2001), take into account the general geological and ... /ecosystems in which one can, based on the composition of fish fauna (especially of the most highly abundant ... be use today for Bioregionalisation of the South Ocean. Author(s): Delegation of Russia Title: To ...
Meeting Document : SC-CAMLR-XXV/BG/18 : Auteur(s): Delegation of Russia
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Preliminary analyses of data collected during experimental phases of the 1994/95 and 1995/96 Antarctic crab fishing seasons
's third depletion square. The assumptions of the mark-recapture model were probably violated, but ... liberty for about one to five weeks. The recaptured crabs had minimum movement rates of 0.08 to 0.25 n ... attempts were made to account for biased sampling of recaptured crabs and the movement of crabs away from ... crabs were at liberty for about one to five weeks. The recaptured crabs had minimum movement rates of ... movement of crabs away from their release sites. Density estimates from the mark-recapture data were in ... extended (in a slightly revised format) for another three f ishing seasons (to the 1997/98 split-year ... adhere, is set out in CCAMLR Conservation Measure 90/XIV. Conservation Measure 90/XIV outlines the ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 141–159 : Auteur(s): Watters, G
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Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.3b
50 3 1267 20 1 2007/08 80 7 50 1 157 20 1 2008/09 80 4 50 1 102 80 0 2009/10 80 2 50 0 22 20 0 ... that the Year-of-the-Skate had been a success overall and had met its objectives to enhance data ... distribution, random vessel effects and random stratum-by-year effects. CCAMLR Science, 11: 59–80. Hanchet ... 60°S 20 114 134 Namibia Antillas Reefer North 60°S 20 6 26 Uruguay Banzare North 60°S 10 7 17 ...
Document : Site Section: Publications
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Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea, Antarctica
mature at about 340–360 mm total length (TL) and about 3–4 years of age, and that 95% were mature at ... about 370–400 mm TL and 6–8 years of age. Counts of growth zones in sectioned otoliths were used to ... , meristics, reproductive biology, diet and age estimation. All of the icefish sampled were identified as ... Chionobathyscus dewitti, and showed no significant difference in sex ratio. Meristic, diet and age data were ... ). All of the possible prey items were in advanced stages of digestion, except for two fish eggs. One ... , there is a lack of small fish (≤30 cm; age ≤ 1), and so the von Bertalanffy growth curve parameters ... Introduction There are about 15 species of icefish (Chan- nichthyidae), all but one of which are found in the ... . Eight species of icefish have been reported caught in the fishery in the CCAMLR vessel log- book (C2 ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 139–165 : Auteur(s): Sutton, C.P., M.J. Manning, D.W. Stevens and P.M. Marriott
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Variations in condition indices of mackerel icefish at South Georgia from 1972 to 1997
account for 20% of the total mass (Kock, 1992; Everson et al., 1996). Arising from this, we envisage two ... success. Year ct FUSE CEPE MAPE Nov Dec Jan Feb Mar Trip Surv Meal S Meal S Comparison of Condition ... . Condition indices o f mackerel icefish at South Georgia One using gutted mass is likely to respond with a ... slight time delay and have a lower variance with respect to one using total mass. In this study we ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 119–132 : Auteur(s): Everson, I. and K.-H. Kock
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Trends in relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps at Potter Cove, South Shetland Islands, after commercial fishing in the area
inshore sub-populations of N. rossii and G. gibberifrons over the last 16 years was most probably caused ... approximately one year. Barrera-Oro et al. 62"s 60°W (a) S h e t l a n d Figure 1: (a) The South ... defined as the period from 1 May to 30 April next year. Variance was normalised using the trans ... performed on total and relative catches taken at PC are shown in Table 1. Split-year (1 May to 30 April ... probably reflects the high availability of these two species at a site which is far away from the main ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 43–52 : Auteur(s): Barrera-Oro, E.R., E.R. Marschoff and R.J. Casaux
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e-cc-xxxii.pdf
... process of opening of SSRUs that were closed eight years ago as part of a three-year experiment in ... no scientific basis, as suggested under option 3, to discard the most recent two years of data and ... assessment was a consequence of the two additional years’ tag-recapture data, and was not driven by the ... .................................................................... 20 Climate change ............................................................................. 20
application/pdf attached to:CCAMLR-XXXIIMeeting Report : CCAMLR-XXXII