Résultats de la recherche
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Diet of grey-headed albatrosses at the Diego Ramírez Islands, Chile: ecological implications
prey hard parts present in 103 chick regurgitates obtained during breeding seasons 2000, 2001 and 2002 ... . The squid Martialia hyadesi predominated in the diet samples in 2001 and 2002 (89% and 81% of ... reconstituted mass), but was absent from the 2000 samples. Reconstituted mean mass per sample in 2000 was ... significantly lower than in 2001 and 2002. Chick growth rate during 2000 was also the lowest recorded. This ...
Meeting Document : WG-FSA-04/12 : Auteur(s): J. Arata (Chile), G. Robertson (Australia), J. Valencia (Chile), J.C. Xavier (UK) and C.A. Moreno (Chile)
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CEMP cameras and satellite transmitters installation by Ukraine at the Galindez, Petermann, and Yalour Islands penguin colonies as a part of CEMP Fund projects
Abstract: In the report we inform shortly on the activity in the Ukrainian Vernadsky Antarctic ... Station area on service of CEMP cameras and installation ARGOS satellite tags in penguin colonies as part ... Network in Subarea 48.1' and 'Tracking the overwinter habitat use of krill dependent predators ... from Subarea 48.1'. In season 2016/17 biologists winteres made service for nine cameras and ...
Meeting Document : WG-EMM-17/21 : Auteur(s): G. Milinevsky, I. Dykyy, D. Lutsenko, O. Savitsky, A. Simon, M. Telipska, V. Lytvynov and L. Pshenichnov
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BEACH DEBRIS SURVEY AT CAPE SHIRREFF, LIVINGSTON ISLAND, DURING THE ANTARCTIC SEASON 1996/97
occurred in all previous seasons with monitoring activities, plastic was the principal item (1517 pieces ... ) 0,40/0. Of the plastic items, those used in fisheries (strapping bands 207, ropes 205, and net pieces 9 ... articles/m2 in 1993/94 to 1.02 in 1994/95, 1.52 in 1995/96, and diminished to 0.46 in 1996/97. For the ... partially burnt. This situation provides the possibility to infer that the ashes produced in incinerators ...
Meeting Document : CCAMLR-XVI/BG/35 : Auteur(s): Delegation of Chile
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Proposed methodology for the assessment of the exploratory fishery for Dissostichus spp. on BANZARE Bank (Division 58.4.3b)
Abstract: In 2006 the CCAMLR scientific committee noted several features of exploratory ... Dissostichus fisheries in the southern Indian Ocean (58.4) which gave cause for concern as to the status of the ... resource in this area, and the lack of a scientific basis for setting catch limits in these areas (SC-CAMLR ... XXV, paragraphs 4.184-4.192). In its management advice for this and other exploratory fisheries, the ...
Meeting Document : WG-SAM-07/8 : Auteur(s): D.C. Welsford, A.J. Constable and G.B. Nowara (Australia)
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Length-age composition of the Patagonian toothfish, Dissostichus eleginoides, from the Kerguelen Island area
are presented and discussed in the paper. Detailed results of these studies are compiled in tables ... such as age-length keys, mean fish length by age, length and age frequency distributions in catches ... . Soviet vessels had first carded out fishery for the species in the 1984/85 season. Fishing grounds during ... this period were located in the west shelf area (48°30’- 49°30’S and 66°50’- 67°20’E). Total catch was ...
Meeting Document : WG-FSA-92/08 : Auteur(s): V.G. Prutko and V.N. Chikov (Ukraine)
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Towards the development of an assessment of stock abundance for Subarea 88.2 SSRUs 88.2C–G
and length frequency data. Although 880 tagged fish have been released in this region, only 2 tagged ... fish have been recaptured. It is likely that the lack of recaptures of tagged fish in this region has ... effort. By drawing on the success of tagging programmes in other CCAMLR fisheries, we develop an approach ... identify four main grounds previously fished in SSRUs 88.2C–G. We recommend that in the short term (the ...
Meeting Document : WG-FSA-14/59 : Auteur(s): S.M. Hanchet and S.J. Parker (New Zealand)
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The breeding biology and distribution of Adelie penguins: adaptations to environmental variability
Research (LTER) study of the effects of environmental variability on animal populations in the Antarctic ... of Adelie penguins in the Southern Ocean are variability in sea ice cover, ocean circulation patterns ... and terrestrial topography. We analyzed Adelie distributions in the Antarctic Peninsula region and ... concluded that Adelie penguins have discrete subpopulations in the northeastern and southwestern regions of ...
Meeting Document : WG-EMM-96/58 : Auteur(s): Fraser, W.R., Trivelpiece, W.Z.
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The migration patterns of Electrona carlsbergi (Tåning, 1932)
describes possible ways and means (mechanisms) by which this species carries out meridional migration in ... Zone (SPFZ) occurs regularly although its intensity changes in time. The densest concentrations are ... observed here in the spring-summer period (November to February) when zooplankton. the main dietary ... component for E. carlsbergi, is undergoing rapid development. In various areas of the SPFZ and in all ...
Meeting Document : WG-FSA-93/18 : Auteur(s): A.N. Kozlov (Russia)
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Potential effects of UV-B on krill – experimental and genetic studies
Abstract: We irradiated captive juvenile Euphausia superba in the laboratory with lower than ... spring surface levels of ultraviolet-B, ultraviolet-A and photosynthetically active radiation, in order ... to examine their response in terms of mortality and generalised activity. Levels of ... animals in the dark survived. Addition of ultraviolet-B typical of depths up to 15 m were found to ...
Meeting Document : WG-EMM-99/24 : Auteur(s): S. Newman, S. Jarman, S. Nicol, D. Ritz, H. Marchant, N. Elliot and A. McMinn (Australia)
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KRILL FISHERY REPORT: 2009 UPDATE
Abstract: Five Members (6 vessels) are fishing for krill in Area 48 in 2008/09, and have taken ... ). Most of this catch was taken in Subarea 48.2 (51316 t) with the remainder in Subarea 48.1 (31533 t ... ). The forecast total catch of krill for the current season falls in the range 109000-147000 t. This ... compares with 156521 t of krill reported in STATLANT data in 2007/08. Recent developments in the krill ...
Meeting Document : WG-EMM-09/06 : Auteur(s): Secretariat