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. (2007). All at sea with animal tracks; methodological and analytical solutions for the resolution of movement. Deep Sea Res. Part II Top. Stud. Oceanogr., 54, 193–210.
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Becagli S., E. Castellano, O.Cerri, M. Chiari, F. Lucarelli, F. Marino, A. Morganti, S. Nava, F. Rugi, M. Severi, R. Traversi, V. Vitale, R. Udisti. (2008). All year round background aerosol at Dome C (Antarctica). Chemical composition of size-segregated samples collected during the 2004-05 campaign. Bachelor's thesis, , .
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Udisti R., S. Becagli, E. Castellano, O. Cerri, A. Mannini, A. Morganti, E. Salvietti, M. Severi, R. Traversi, F. Lucarelli, S. Nava, F. Marino. (2006). All year-round aerosol sampling at Dome C, Central East Antarctica: first results of the 2004-2005 campaign and scientific activity carrying on in the present 2005-06 campaign..
Abstract: 2006 International Aerosol Conference, 10-15 Settembre 2006, St. Paul Minnesota, USA
Programme: 1181
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Davies L., Bouvet S. & Vernon P. (2007). All-year reproduction and possible thermal melanism in Amblystogenium pacificum (Coleoptera: Carabidae) on the sub-Antarctic Ile de la Possession (Iles Crozet). Polar Biol., 30, 253–260.
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Marino F., S. Becagli, E. Castellano, A. Mannini, E. Salvietti, O. Cerri, R. Traversi, S. Caporali, S. Nava, F. Lucarelli, V. Maggi, R. Udisti. (2006). All-year-round aerosol sampling at Dome C, East Antarctic Plateau: a challenge in understanding Southern Hemisphere transfer processes..
Abstract: 2006 International Aerosol Conference, 10-15 Settembre 2006, St. Paul Minnesota, USA.
Programme: 1181
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Beaulieu M., Thierry A.-M., Le Maho Y., Ropert-Coudert Y. & Ancel A. (2009). J. Ornithol., 150, 637–643.
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Lecomte N., Kuntz G., Lambert N., Gendner J.P., Handrich Y., Le Maho Y., & Bost C.A. (2006). Alloparental feeding in the King penguin, Aptenodytes patagonicus. Animal behaviour, 71(2), 457–462.
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Clement O., Ozouf Costaz C., Lecointre G. & Berrebi P. (1998). Allozymic polymorphismand Phylogeny of the family Channichthyidae..
Abstract: Antarctica. A biological overview. Springer Verlag, Italia
Programme: 281
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. (2018). (Vol. 221).
Abstract: Skip to Next Section Little auks (Alle alle) are one of the most numerous seabird species in the world and feed primarily on copepods in arctic waters. Their high daily energy requirements leave them vulnerable to current changes in the arctic plankton community, where a smaller, less-profitable copepod species (Calanus finmarchicus) becomes increasingly abundant. Little auks have been estimated to require ?60,000 copepods per day, necessitating prey capture rates of ?6 copepods per second underwater. To achieve such performance, it has been suggested that little auks capture their prey by (non-visual) filter feeding. We tested this hypothesis by exposing little auks to varying copepod densities within a shallow experimental pool and filming their prey capture behaviour. At none of the copepod densities tested did birds filter feed. Instead, all birds captured copepods by what we identified as visually guided suction feeding, achieved through an extension of their sub-lingual pouch. Suction feeding is very common in fish and marine mammals, but to the best of our knowledge, this is the first time that it has been specifically identified in a seabird species. While presumably less efficient than filter feeding, this behaviour may allow little auks to foster higher resilience when facing the consequences of arctic climate change.
Programme: 388
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Simpson, W. et al. (inc. Law, Raut, Roberts). (2019). ALPACA White Paper.
Abstract: Wintertime air pollution is a serious problem for urban areas and areas affected by industrial
activities in the Arctic and sub-Arctic regions. The cause of this pollution is local emissions
coupled with poor dispersion caused by strong temperature inversions, yet many uncertainties
remain in understanding the physical and chemical processes driving this pollution. In the case of
Fairbanks, Alaska, fine particulate matter (PM2.5) concentrations exceed health-based pollution
thresholds, requiring action to mitigate this problem. This particulate matter comes from a mix of
sources and is likely enhanced by condensation of gaseous precursors, especially under these low
temperature conditions and through chemical gas-to-particle conversion processes. Prior
Fairbanks studies have shown that wood combustion is the largest single source, but other
sources also contribute. Progress on this problem requires research into source apportionment
and a better understanding of chemical processing of pollution during cold and dark conditions.
The role of meteorology, particularly surface-based inversions also needs study. Therefore, we
propose the ALPACA study, which is organized under the international PACES initiative and in
coordination with the Pan Eurasian Experiment (PEEX). ALPACA investigates emissions and
chemical and meteorological influences on pollution in Fairbanks. In addition to measurements,
modeling, laboratory, and health effect studies, outreach efforts are planned. Involvement of
citizens is highly desired. The intended outcomes of ALPACA are improved mechanistic
understanding of pollution behavior under cold and dark conditions, improved public
understanding of the problem, and better-informed pollution mitigation strategies. The ALPACA
study will provide a benchmark to inform sister studies at high northern latitudes and assist in
understanding air pollution impacts of increasing development in the rapidly changing Arctic.
ALPACA will also provide a colder/darker comparison for mid-latitude wintertime pollution
studies.
Programme: 1215
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