Résultats de la recherche
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The effect of different methodologies used in penguin diet studies at three US AMLR predator research sites: Admiralty Bay, Palmer Station and Cape Shirreff
provide direct assessments of the prey types and amounts of import to predators, which, in turn, are ... Abstract: Diet studies are a key component of the CCAMLR predator monitoring program as they ... and chick fledging weights. Given the importance and interdependence of diet studies to monitoring ... sites in the Antarctic Peninsula region where different methodologies were used to select, pump and sort ...
Meeting Document : WG-EMM-99/46 : Auteur(s): W. Trivelpiece, S. Trivelpiece (USA) and K. Salwicka (Poland)
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Preliminary analyses in support of the CEMP Review Workshop: power analyses
): Secretariat Title: Preliminary analyses in support of the CEMP Review Workshop: power analyses Approval ... change over the range –10% to +10% of a mean survey value. Each run of MONITOR involved the calculation ... Abstract: A series of power (sensitivity) analyses of CEMP indices was made using the DOS-based ... of power for 3 survey scenarios and 3 alpha levels (0.05, 0.10 and 0.20). The 3 surveys scenarios ...
Meeting Document : WG-EMM-03/26 : Auteur(s): Secretariat
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Numerical model of ecosystem including Euphausia superba Dana as a key species in the Antarctic Ocean
govern the biochemical cycle in Antarctic Ocean, we made a research plan as follows: (1) to develop an ... numerical model including the effect of marine mammal consumption and catch of krill (6) to develop the ... ecosystem including Euphausia superba Dana as a key species in the Antarctic Ocean Approval: Approved ... Abstract: On the processes to investigate a proper model for understanding the processes that ...
Meeting Document : WG-EMM-95/52 : Auteur(s): Naganobu, M., Kishi, M.J.
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RECENT TRENDS IN NUMBERS OF CROZET SHAGS BREEDING AT THE PRINCE EDWARD ISLANDS
doubled between the summers of 2001/02 and 2008/09. In 2008/09, some 600 pairs of Crozet shags were ... Title: RECENT TRENDS IN NUMBERS OF CROZET SHAGS BREEDING AT THE PRINCE EDWARD ISLANDS Approval ... pairs in 2008/09. The trends are thought to have been influenced by breeding success, which averaged ... were similar trends in numbers breeding and breeding success of gentoo penguins Pygoscelis papua, which ...
Meeting Document : WG-EMM-10/P2 : Auteur(s): R.J.M. Crawford, P.G. Ryan, B.M. Dyer and L. Upfold
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Recent trends in numbers of Crozet shags breeding at the Prince Edward Islands
doubled between the summers of 2001/02 and 2008/09. In 2008/09, some 600 pairs of Crozet shags were ... pairs in 2008/09. The trends are thought to have been influenced by breeding success, which averaged ... were similar trends in numbers breeding and breeding success of gentoo penguins Pygoscelis papua, which ... . Crawford, P.G. Ryan, B.M. Dyer and L. Upfold Title: Recent trends in numbers of Crozet shags breeding at ...
Meeting Document : WG-EMM-10/P02 : Auteur(s): R.J.M. Crawford, P.G. Ryan, B.M. Dyer and L. Upfold
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Foraging location and range of white-chinned petrels Procellaria aequinoctialis breeding in the south Atlantic
Abstract: The foraging range and principal feeding areas of White-chinned Petrels breeding at ... both periods of the breeding season and during day and night. Between incubation shifts. White-chinned ... . Dispersal of adults after breeding failure was south to the South Orkney Islands then west to the Falkland ... Islands. This study confirms that breeding White-chinned Petrels are amongst the widest-ranging of ...
Meeting Document : WG-FSA-01/25 : Auteur(s): S.D. Berrow, A.G. Wood and P.A. Prince (United Kingdom)
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Foraging location and range of white-chinned petrels Procellaria aequinoctialis breeding in the South Atlantic
widest-ranging of seabirds; they may minimise competition with other Procellariiformes in the South ... Abstract: The foraging range and principal feeding areas of White-chinned Petrels breeding at ... similar during both periods of the breeding season and during day and night. Between incubation shifts ... Patagonian shelf. Dispersal of adults after breeding failure was south to the South Orkney Islands then west ...
Meeting Document : WG-FSA-99/20 : Auteur(s): S.D. Berrow, A.G. Wood and P.A. Prince (United Kingdom)
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Stratification of catch-at-length data using tree based regression: an example using Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea
Abstract: This paper presents a new approach to the stratification of catch-at-length data of ... Antarctic toothfish (D. mawsoni) in the Ross Sea. Tree based regression techniques were used to stratify the ... sampled catch based on the median length of Antarctic toothfish for each set using the observer length ... frequency data. The median lengths were weighted within the regression by the inverse of the variance ...
Meeting Document : WG-FSA-SAM-05/8 : Auteur(s): N.L. Phillips, A. Dunn and S.M. Hanchet (New Zealand)
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ANTARCTIC KRILL DEMOGRAPHY AND POPULATION DYNAMICS WEST OF THE ANTARCTIC PENINSULA IN 2010/11
Abstract: A krill net sampling survey was carried out west of the Antarctic Peninsula in January ... OF THE ANTARCTIC PENINSULA IN 2010/11 Approval: Approved ... Elephant Island and the western entrance of Bransfield Strait, the “Polarstern” survey grid followed back ... , Salpa thompsoni. The results of this survey represent the most complete picture of the spatial ...
Meeting Document : WG-EMM-11/13 : Auteur(s): V. Siegel (Germany), C. Reiss (USA), K. Dietrich (USA), M. Haraldsson (Sweden) and G. Rohardt (Germany)
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Pilot study using electronic satellite tags to determine movements of Antarctic toothfish in the Ross Sea region
to the surface, and transmit in December 2012. The purpose of this paper is to provide an ... along the Ross Sea continental slope in January 2012. They will be programmed to pop-off the fish, float ... encountered in the fishery. The announcement details what to do if a satellite tagged fish is encountered, and ... Antarctic toothfish in the Ross Sea region Approval: Approved ...
Meeting Document : WG-FSA-11/49 : Auteur(s): S. Parker (New Zealand)