Résultats de la recherche
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Diet and foraging effort of Adélie penguins in relation to pack-ice conditions in the southern Ross Sea
Abstract: We investigated the diet and aspects of foraging effort among Adélie Penguins ... , Bird and Crozier-- during the chick provisioning period of three austral summers, 1994-95, 1995-96 and ... 1996-97. During the study period, pack-ice cover differed in waters offshore of these colonies, by ... present. With respect to krill, which composed the remainder of diet, juvenile Euphausia crystallorophias ...
Meeting Document : WG-EMM-98/15 : Auteur(s): D.G. Ainley (USA), P.R. Wilson, K.J. Barton (New Zealand), G. Ballard, N. Nur (USA) and B. Karl (New Zealand)
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Revised proposal for a CCAMLR sponsored research survey to monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea
survey was presented to the 2011 meeting of WG-SAM. In this paper we provide an update of the preliminary ... , which has been submitted as a paper to the Scientific Committee. We consider here the objectives of the ... Abstract: At its 2010 meeting, the Scientific Committee agreed that a time series of recruitments ... proposal by taking into account the comments of WG-SAM. It provides the scientific rationale and background ...
Meeting Document : WG-FSA-11/47 : Auteur(s): S.M. Hanchet, S. Mormede, S.J. Parker and A. Dunn (New Zealand)
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SOUTHERN OCEAN SENTINEL: REPORT OF THE FIRST INTERNATIONAL WORKSHOP IN 2009
held at the CCAMLR Headquarters in Hobart in April 2009. The conclusions of that workshop are provided ... to WG-EMM for consideration along with an overview, the program and abstracts of the keynote ... presentations. A report of the workshop will be submitted to the Scientific Committee for its considerations in ... October 2009, including discussion on the following questions: A key conclusion of the workshop was that ...
Meeting Document : WG-EMM-09/37 : Auteur(s): A.J. Constable
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An Apparent Decrease in the Prevalence of “Ross Sea Killer Whales” in the Southern Ross Sea
occurrence patterns and diet of RS killer whales, and present new information on numbers observed in the ... large Antarctic toothfish (Dissostichus mawsoni), as the review herein demonstrates. On the basis of sea ... -effort of scientific fishing for toothfish in McMurdo Sound, we suggest and review evidence that the ... -driven, density-dependent northward contraction of the toothfish stock, and not to changes in the ...
Meeting Document : WG-EMM-09/P01 : Auteur(s): D.G. Ainley, G. Ballard and S. Olmastroni
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BEACHED MARINE DEBRIS SURVEYS AND INCIDENCES OF SEABIRD/MARINE MAMMAL ENTANGLEMENTS AND HYDROCARBON SOILING AT BIRD ISLAND, SOUTH GEORGIA AND SIGNY ISLAND, SOUTH ORKNEYS, 2008-2009
Abstract: Surveys of beached marine debris at Bird Island, South Georgia recorded a total of 142 ... total of 113 items during summer 2008/09 (November 2008 to February 2009). Plastic, trawl webbing and ... Island, whereas high numbers (67 items; 59%) of packaging bands were collected at Signy Island during the ... survey period. Entanglements of 19 Antarctic fur seals (7 involving packaging bands), two giant petrels ...
Meeting Document : WG-IMAF-09/09 : Auteur(s): C.M. Waluda (United Kingdom)
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Catch and effort data for the longline fishery in Subarea 48.3 – comparison of data reported to CCAMLR and data acquired by the UK between 1994 and 1996
database (database C2). Some instances of incomplete reporting were identified, where blocks of data appear ... to be missing from the CCAMLR database. One instance was identified of multiple hauls being submitted ... as single records. A number of hauls yielding zero catches present in the data acquired by the UK ... have not been reported to CCAMLR. In 1996 less than 10% of the hauls showed large discrepancies between ...
Meeting Document : WG-FSA-97/37 : Auteur(s): Parkes, G.B., Pearce, J., Agnew, D.J.
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An assessment of longlining operations for Dissostichus eleginoides on board the Chilean-registered longliner BF Cisne Verde during March–May 1997 around South Georgia (Subarea 48.3)
sampling method; the known number of coils laid during a night's setting operations provided the ... sampling frame, and the sampling units consisted of lengths of line between marked connecting lines ... target of 60 fish/day. The method was further developed to integrate different, and varying, levels of ... sex were taken. Mean total length of females caught was higher than males, and length at first ...
Meeting Document : WG-FSA-97/41 : Auteur(s): Ashford, J.R., Everson, I.
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Winter gut contents of the Antarctic krill (Euphausia superba Dana) collected in the South Georgia area
Abstract: Foregut contents of the Antarctic krill Euphausia superba Dana which were collected in ... the South Georgia area in austral winter, 12 July ~ 4 August 1992 were observed. A total of 130 ... were examined in this study. The foregut contents of the krill consisted of various fragments of ... crustacean zooplankton in 77 individuals out of 130 examined. Among the fragments a portion of the pereiopods ...
Meeting Document : WG-KRILL-93/30 : Auteur(s): Y. Nishino and A. Kawamura (Japan)
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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 ... years. Results presented in the paper are in agreement with results of other studies conducted in the ... Abstract: Results of length-age composition studies of the Patagonian toothfish, Dissostichus ... eleginoides, from various fishing grounds of the shelf and continental slope areas of the Kerguelen Islands ...
Meeting Document : WG-FSA-92/08 : Auteur(s): V.G. Prutko and V.N. Chikov (Ukraine)
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Annual variation in the timing of reproduction in Antarctic fur seals (Arctocephalus gazella) at Bird Island, South Georgia
Abstract: The arrival of Antarctic fur seals at a breeding beach on Bird Island. South Georgia ... established breeding territories on the beaches in anticipation of the arrival of the cows. Male arrival ... usually started when 80% or more of potential territory sites were occupied by males. Cows arrived ... significantly later in 1984 and 1987 than in 1983, 1985 or 1986. The late arrival of both males and females in ...
Meeting Document : WG-CEMP-90/39 : Auteur(s): C.D. Duck (United Kingdom)