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Fort, J. |
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Title |
Pollution et impacts sur les écosystèmes |
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2016 |
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In: Le Groenland - Climat, Ecologie, Société (Editeurs: Masson-Delmotte, V., Gauthier, E., Grémillet, D., Huctin, JM, Swingedouw, D.). Editions du CNRS |
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388 |
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yes |
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6523 |
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Fort, J. & Grémillet, D. |
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Title |
Écosystèmes marins – aspects généraux |
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2016 |
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In: Le Groenland РClimat, Ecologie, Soci̩t̩ (Editeurs: Masson-Delmotte, V., Gauthier, E., Gr̩millet, D., Huctin, JM, Swingedouw, D.). Editions du CNRS |
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388 |
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yes |
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6524 |
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Grémillet, D. & Fort, J. |
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Title |
Adaptation et évolution de la biodiversité groenlandaise |
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2016 |
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In: Le Groenland - Climat, Ecologie, Société (Editeurs: Masson-Delmotte, V., Gauthier, E., Grémillet, D., Huctin, JM, Swingedouw, D.). Editions du CNRS |
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388 |
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yes |
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6526 |
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McCoy, K.D. & Chevillon, C. |
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Structuration des populations et adaptation des tiques : implications en épidémiologie. Chapitre 4. In Tiques et maladies à tiques : Biologie, écologie évolutive, épidémiologie. pp 113-140. IRD Editions. |
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2016 |
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1151 |
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yes |
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6529 |
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Marianne Gabirot, Jérôme Mardon, Sylvie Campagna, Nigel West, Francesco Bonadonna, and Sandra M. Saunders |
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Guidelines for collecting and extracting avian odors in remote field: Case study of a subantarctic seabird |
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Book Chapter |
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2016 |
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435-460 |
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in Chemical Signals in Vertebrates 13. Recent research on avian chemical signalling has highlighted the need for new appropriate protocols especially for sampling, and analyzing, compounds borne by individuals Although many studies have already examined the chemical substances secreted by birds, only few works have done so from the perspective of chemical communication and none have focused on the actual airborne compounds which make up the final odor. As well as the relative infancy of the field, this gap originates from the absence of an appropriate methodological framework. In this study, we provide a methodological guideline of various combinations of sampling and extraction techniques that have been developed and tested in our research. These include: analysis of (i) uropygial secretion samples by solvent extraction, (ii) feather lipids by solvent extraction, (iii) feather lipids by direct solid-phase thermal desorption, (iv) cotton swab (rubbed on bird) by solid phase microextraction, (v) cotton swab by direct solid-phase thermal desorption and (vi) airborne volatiles by thermal desorption. To achieve this, we used the particular case study of blue petrels (Halobaena caerulea), a Sub-antarctic procellariiform seabird, living on remote islands and known for its good olfactory capabilities. Outcomes from the different methods are presented in terms of chromatographic quality, the number and properties of the analytes resolved and their suitability for the work in isolated locations. Advantages and limitations of each method are discussed together with challenges that remain to make the new protocols presented more robust for field chemo-ecologists. |
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354 |
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yes |
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6535 |
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E. Le Meur, M. Sacchettini, S. Garambois, E. Berthier, A. S. Drouet, G. Durand, D. Young, J. S. Greenbaum, D. D. Blankenship, J. W. Holt, E. Rignot, J. Mouginot, Y. Gim, D. Kirchner, B. de Fleurian, O. Gagliardini and F. Gillet-Chaulet |
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Improved location of the grounding line of an Antarctic outlet glacier from combined hydrostatic and kinematic methods |
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Book Chapter |
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Year |
2014 |
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International symposium on contribution of glaciers and ice sheets to sea level change, international glaciological society,chamonix, france, 26–30 may 2014 |
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1053 |
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Bachelor's thesis |
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yes |
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6568 |
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Author |
Charles Amory, Hubert Gallée, Florence Naaim-Bouvet, Vincent Favier, Etienne Vignon, Ghislain Picard, Alexandre Trouvilliez, Luc Piard, Christophe Genthon, Hervé Bellot |
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Title |
Seasonal Variations in Drag Coefficient over a Sastrugi-Covered Snowfield in Coastal East Antarctica |
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Book Chapter |
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Year |
2016 |
Publication |
Boundary-layer meteorology |
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Volume |
164 |
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1 |
Pages |
107-133 |
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The surface of windy Antarctic snowfields is subject to drifting snow, which leads to the formation of sastrugi. In turn, sastrugi contribute to the drag exerted by the snow surface on the atmosphere and hence influence drifting snow. Although the surface drag over rough sastrugi fields has been estimated for individual locations in Antarctica, its variation over time and with respect to drifting snow has received little attention. Using year-round data from a meteorological mast, seasonal variations in the neutral drag coefficient at a height of 10 m (CDN10)(CDN10)(C{{ DN}10}) in coastal Adelie Land are presented and discussed in light of the formation and behaviour of sastrugi based on observed aeolian erosion patterns. The measurements revealed high CDN10CDN10C{{ DN}10} values (≥(≥(\ge 2 ××\times 10−3)−3)^{-3}) and limited drifting snow (35% of the time) in summer (December–February) versus lower CDN10CDN10C{{ DN}10} values (≈(≈(\approx 1.5 ××\times 10−3)10−3)10^{-3}) associated with more frequent drifting snow (70% of the time) in winter (March–November). Without the seasonal distinction, there was no clear dependence of CDN10CDN10C{{ DN}10} on friction velocity or wind direction, but observations revealed a general increase in CDN10CDN10C{{ DN}10} with rising air temperature. The main hypothesis defended here is that higher temperatures increase snow cohesion and the development of sastrugi just after snow deposition while inhibiting the sastrugi streamlining process by raising the erosion threshold. This increases the contribution of the sastrugi form drag to the total surface drag in summer when winds are lighter and more variable. The analysis also showed that, in the absence of erosion, single snowfall events can reduce CDN10CDN10C{{ DN}10} to 1×10−31×10−31\,\times \,10^{-3} due to the burying of pre-existing microrelief under newly deposited snow. The results suggest that polar atmospheric models should account for spatial and temporal variations in snow surface roughness through a dynamic representation of the sastrugi form drag. |
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411,1013,1110,1154 |
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Bachelor's thesis |
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0006-8314, 1573-1472 |
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0006-8314, 1573-1472 |
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yes |
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6571 |
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Julien Goebel, Marta Promerová, Francesco Bonadonna, Karen D. McCoy, Céline Serbielle, Maria Strandh, Glenn Yannic, Reto Burri, Luca Fumagalli |
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Title |
100 million years of multigene family evolution: origin and evolution of the avian MHC class IIB |
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Book Chapter |
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2017 |
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Bmc genomics |
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18 |
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460 |
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Birds Birth-death evolution Concerted evolution Gene conversion Gene duplication Major histocompatibility complex Recombination |
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Gene duplication has led to a most remarkable adaptation involved in vertebrates’ host-pathogen arms-race, the major histocompatibility complex (MHC). However, MHC duplication history is as yet poorly understood in non-mammalian vertebrates, including birds. |
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333,354 |
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Bachelor's thesis |
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1471-2164 |
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1471-2164 |
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yes |
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6577 |
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Juliana A. Vianna, Daly Noll, Gisele P. M. Dantas, Maria Virginia Petry, Andrés Barbosa, Daniel González-Acuña, Céline Le Bohec, Francesco Bonadonna, Elie Poulin |
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Marked phylogeographic structure of Gentoo penguin reveals an ongoing diversification process along the Southern Ocean |
Type |
Book Chapter |
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Year |
2017 |
Publication |
Molecular phylogenetics and evolution |
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Volume |
107 |
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Pages |
486-498 |
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Keywords |
Climate change Demographic history Polar region Population structure Seabirds |
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Two main hypotheses have been debated about the biogeography of the Southern Ocean: (1) the Antarctic Polar Front (APF), acting as a barrier between Antarctic and sub-Antarctic provinces, and (2) the Antarctic Circumpolar Current (ACC), promoting gene flow among sub-Antarctic areas. The Gentoo penguin is distributed throughout these two provinces, separated by the APF. We analyzed mtDNA (HVR1) and 12 microsatellite loci of 264 Gentoo penguins, Pygoscelis papua, from 12 colonies spanning from the Western Antarctic Peninsula and the South Shetland Islands (WAP) to the sub-Antarctic Islands (SAI). While low genetic structure was detected among WAP colonies (mtDNA ФST=0.037–0.133; microsatellite FST=0.009–0.063), high differentiation was found between all SAI and WAP populations (mtDNA ФST=0.678–0.930; microsatellite FST=0.110–0.290). These results suggest that contemporary dispersal around the Southern Ocean is very limited or absent. As predicted, the APF appears to be a significant biogeographical boundary for Gentoo penguin populations; however, the ACC does not promote connectivity in this species. Our data suggest demographic expansion in the WAP during the last glacial maximum (LGM, about 20kya), but stability in SAI. Phylogenetic analyses showed a deep divergence between populations from the WAP and those from the SAI. Therefore, taxonomy should be further revised. The Crozet Islands resulted as a basal clade (3.57Mya), followed by the Kerguelen Islands (2.32Mya) as well as a more recent divergence between the Falkland/Malvinas Islands and the WAP (1.27Mya). Historical isolation, local adaptation, and past climate scenarios of those Evolutionarily Significant Units may have led to different potentials to respond to climate changes. |
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137,354 |
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Bachelor's thesis |
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1055-7903 |
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1055-7903 |
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yes |
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6578 |
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Author |
Bonadonna F. |
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It was a Dark and Stormy Night (Plenary Talk) |
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2017 |
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Sie xxvii congress of the italian society for animal behaviour, 18-21 June 2017, Calci (pisa), Italy |
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354 |
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Bachelor's thesis |
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6580 |
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