Résultats de la recherche
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Surface exchange between the Weddell and Scotia Seas
transport pathways between the eastern Antarctic Peninsula and sites of elevated chlorophyll in the Scotia ... Abstract: Within Drake Passage, the southern flank of the Antarctic Circumpolar Current (ACC ... ) hosts the ventilation of deep water, the injection of Antarctic shelf waters and interactions between ... westward and eastward boundary cur rents. This exchange is explored through the trajectories of forty ...
Meeting Document : WG-EMM-14/P03 : Auteur(s): A.F. Thompson and M.K. Youngs
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The relationship between sea-ice cover and Adélie penguin reproductive performance at Béchervaise Island
between sea-ice and penguin populations based on data from multiple sites to predict the likely outcome of ... Abstract: The relationship between Adélie penguins and ice is undeniable, with ice influencing ... penguin populations through a variety of processes operating at different spatial and temporal scales. The ... Smith et al. (1999) conceptual model of Adélie penguin population growth incorporates the relationship ...
Meeting Document : WG-EMM-07/21 : Auteur(s): L. Emmerson and C. Southwell (Australia)
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RAPID CLIMATE CHANGE AND LIFE HISTORY: HOW PLASTIC IS THE ADÉLIE PENGUIN?
breeding success from long-term monitoring sites across the latitudinal range of Adélie habitats were ... Abstract: Climate change in the Antarctic is having major impacts on physical and biological ... systems. For the Adélie penguin, which breeds around Antarctica, different populations have been subject ... to different environmental conditions over space and time. To assess the ability of the Adélie ...
Meeting Document : WG-EMM-09/34 : Auteur(s): J. Hinke, S. Trivelpiece and W. Trivelpiece (USA)
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A way forward in the multivariate analysis of Antarctic predator, prey and environment indices: predator-environment interactions at Seal Island
results demonstrate that this methodology could be applied to other CEMP sites, even with the relatively ... Abstract: The CCAMLR Ecosystem Monitoring Programme has two aims: to detect changes in critical ... components of the antarctic ecosystem, and to distinguish between changes due to the harvesting of commercial ... chinstrap breeding success. Other Antarctic Peninsula predator parameters are also briefly analysed. The ...
Meeting Document : WG-EMM-96/27 : Auteur(s): Agnew, D.J., Watters, G., Hewitt, R.
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Progress report of the CEMP Special Fund overwinter penguin tracking project
satellite transmitters and successfully deployed 130 instruments during the 2016/17 breeding season at sites ... Abstract: We provide a brief update on the progress of our project “Tracking the overwinter ... habitat use of krill-dependent predators from Subarea 48.1”. The project was initiated with support from ... the CEMP Special Fund in 2015/16. With the assistance of the Secretariat, we purchased 150 ARGOS-based ...
Meeting Document : WG-EMM-17/07 : Auteur(s): J. Hinke, G. Watters, M. Santos, M. Korczak-Abshire, G. Milinevsky and V. Lytvynov
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Results from the reduced groundfish survey conducted in CCAMLR Subarea 48.3 in January 2012
Abstract: A reduced (three day) groundfish survey took place at Shag Rocks on the FV New Polar ... between the 26-28th January 2012. This survey was not intended to be a full biomass survey so only 20 ... and Euphausiidae was the dominant prey item in the mackerel icefish diet. Strong acoustic marks, some ... of which may be attributable to icefish, were observed in the water column, and in only 23 hauls 15.2 ...
Meeting Document : WG-FSA-12/37 : Auteur(s): J. Brown, S. Gregory, A. Stanworth, V. Carretero, G. Baker and M. Belchier (United Kingdom)
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Growth of krill around the South Orkney Islands in 1989/90
Admiralty Bay (King George Island). Author(s): V.I. Latogursky (Russia) Title: Growth of krill around the ... Abstract: On the grounds of materials collected by biologists-02servers from October 1989 to June ... 1990 near South Orkney Islands the growth of males and females are characterized according to size ... groups, distinguished using the probability paper. Six size groups both for males and females were ...
Meeting Document : WG-KRILL-93/36 : Auteur(s): V.I. Latogursky (Russia)
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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 ... . The survey was a joint German and US effort. While the US AMLR Survey section covered the area between ... Elephant Island and the western entrance of Bransfield Strait, the “Polarstern” survey grid followed back ... to back and extended southwest beyond Adelaide Island/Marguerite Bay. 177 quantitative net samples ...
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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Trends in bird and seal populations as indicators of a system shift in the Southern Ocean
on several breeding sites have decreased severely, whilst two species have increased at the same time ... Abstract: Although world oceans have been warming over the past 50 years, the impact on biotic ... components is poorly understood because of the difficulty of obtaining long-term data sets on marine ... organisms. The Southern Ocean plays a critical role on global climate and there is growing evidence of ...
Meeting Document : WG-EMM-03/53 : Auteur(s): H. Weimerskirch, P. Inchausti, C. Guinet and C. Barbraud (France)
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Penguin demography and winter distributions in the Antarctic Peninsula region
Abstract: Our long-term seabird research at Admiralty Bay has documented annual variability in ... the life history parameters of the breeding biology and ecology of Adélie, gentoo, and chinstrap ... physical processes to their effects on dependent predators in the Southern Ocean. Our most recent results ... present a conceptual model linking increasing temperatures and decreasing sea ice cover in the Antarctic ...
Meeting Document : WG-EMM-01/32 : Auteur(s): W. Trivelpiece and S. Trivelpiece (USA)