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Lebouvier M., Frenot Y. |
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Title |
Echos de la XVIIème réunion du Comité pour la Protection de l’Environnement lors de la XXXVIIème Réunion Consultative du Traité sur l’Antarctique (Brasilia, 28 avril – 07 mai 2014). 10èmes Journées Scientifiques du CNFRA, Rennes, France, 26-27/05/2014 |
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Conference - National - Communication |
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2014 |
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136 |
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4896 |
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Author |
Garnier A., Lebouvier M. |
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Les plantes introduites sur l’île de la Possession (Archipel Crozet, TAAF, Océan Indien) : nombre d’espèces, distribution et mesures de gestion. 10èmes Journées Scientifiques du CNFRA, Rennes, France, 26-27/05/2014 |
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Conference - National - Communication |
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2014 |
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136 |
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4886 |
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Charrier M., Pusterla C., Lefebvre T. |
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Rôle probable de la couche protéique de la coquille dans la tolérance au froid de l'escargot natif du subantarctique Notodiscus hookeri. 10èmes Journées Scientifiques du CNFRA, Rennes, France, 26-27/05/2014 |
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Conference - National - Communication |
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2014 |
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136 |
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4885 |
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Chattová Barbora, Lebouvier Marc, Van de Vijver Bart |
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Title |
Freshwater diatom communities from Ile Amsterdam (TAAF, southern Indian Ocean)
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Journal Article |
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Year |
2014 |
Publication |
FOTTEA |
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Volume |
14 |
Issue |
article_1 |
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101-119 |
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Bacillariophyta; biogeography; ecology; Ile Amsterdam; southern Indian Ocean; sub-Antarctic region, |
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136 |
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1802-5439 |
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yes |
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4884 |
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Ellis L T, Afonina O M, Asthana A K, Gupta R, Sahu V, Nath V, Batan N, Bednarek-Ochyra H, Benitez A, Erzberger P, Fedosov V E, Górski P, Gradstein S R, Gremmen N, Hallingbäck T, Hagström M, Köckinger H, Lebouvier M, Meinunger L, Németh C, Nobis M, Nowak A, Özdemir T, Pawlikowski P, Sawicki J, Sérgio C, Ministro P, Garcia C A, Smith V R, Stow S, Suárez G M, Flores J R, Thouvenot L, van Rooy J, Zander R H, |
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Title |
New national and regional bryophyte records, 39
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Journal Article |
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2014 |
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Journal of Bryology |
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Volume |
36 |
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2 |
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134-151 |
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136 |
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Maney |
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0373-6687 |
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yes |
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4883 |
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Huiskes Ad HL, Gremmen Niek JM, Bergstrom Dana M, Frenot Yves, Hughes Kevin A, Imura Satoshi, Kiefer Kate, Lebouvier Marc, Lee Jennifer E, Tsujimoto Megumu, Ware Chris, Van de Vijver Bart, Chown Steven L, |
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Title |
Aliens in Antarctica: Assessing transfer of plant propagules by human visitors to reduce invasion risk
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Journal Article |
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Year |
2014 |
Publication |
Biological Conservation |
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171 |
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278-284 |
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Biological invasions, Propagule pressure, Risk assessment, Self-assessment, Tourism, Vessel size, |
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136 |
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Bachelor's thesis |
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0006-3207 |
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yes |
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4882 |
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Bernard É, Friedt JM, Saintenoy A, Tolle F, Griselin M, Marlin C, |
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Where does a glacier end? GPR measurements to identify the limits between valley slopes and actual glacier body. Application to the Austre Lovénbreen, Spitsbergen |
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Journal Article |
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Year |
2014 |
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International Journal of Applied Earth Observation and Geoinformation |
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27, Part A |
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A |
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100-108 |
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Ground penetrating Radar, Glacier limit, Arctic, Spitsbergen, Polar glacier, |
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1108,1111 |
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Bachelor's thesis |
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0303-2434 |
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4881 |
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Hreinsdottir Sigrun, Sigmundsson Freysteinn, Roberts Matthew J, Bjornsson Halldor, Grapenthin Ronni, Arason Pordur, Arnadottir Thora, Holmjarn Josef, Geirsson Halldor, Bennett Richard A, Gudmundsson Magnus T, Oddsson Bjorn, Ofeigsson Benedikt G, Villemin Thierry, Jonsson Thorsteinn, Sturkell Erik, Hoskuldsson Armann, Larsen Gudrun, Thordarson Thor, Oladottir Bergrun Arna, |
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Volcanic plume height correlated with magma-pressure change at Grimsvotn Volcano, Iceland
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Journal Article |
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2014 |
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Nature Geoscience |
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7 |
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3 |
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214-218 |
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Abstract |
Magma flow during volcanic eruptions causes surface deformation that can be used to constrain the location, geometry and internal pressure evolution of the underlying magmatic source1. The height of the volcanic plumes during explosive eruptions also varies with magma flow rate, in a nonlinear way2, 3. In May 2011, an explosive eruption at Grímsvötn Volcano, Iceland, erupted about 0.27 km3 dense-rock equivalent of basaltic magma in an eruption plume that was about 20 km high. Here we use Global Positioning System (GPS) and tilt data, measured before and during the eruption at Grímsvötn Volcano, to show that the rate of pressure change in an underlying magma chamber correlates with the height of the volcanic plume over the course of the eruption. We interpret ground deformation of the volcano, measured by geodesy, to result from a pressure drop within a magma chamber at about 1.7 km depth. We estimate the rate of magma discharge and the associated evolution of the plume height by differentiating the co-eruptive pressure drop with time. The time from the initiation of the pressure drop to the onset of the eruption was about 60 min, with about 25% of the total pressure change preceding the eruption. Near-real-time geodetic observations can thus be useful for both timely eruption warnings and for constraining the evolution of volcanic plumes. |
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316 |
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Bachelor's thesis |
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Nature Publishing Group |
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1752-0894 |
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yes |
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4880 |
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Author |
Viblanc VA |
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Freaked out penguins : is there a cost to breeding in a crowd. University of Toronto, Dept. Of Biological Science. Invited seminar. |
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Conference - International - Communication |
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2013 |
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119 |
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4879 |
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Dewar Meagan L, Arnould John P Y, Dann Peter, Trathan Phil, Groscolas Rene, Smith Stuart, |
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Title |
Interspecific variations in the gastrointestinal microbiota in penguins
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Journal Article |
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Year |
2013 |
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MicrobiologyOpen |
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2 |
Issue |
1 |
Pages |
195-204 |
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Keywords |
Microbiota, penguins, pyrosequencing, qPCR, |
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Abstract |
Despite the enormous amount of data available on the importance of the gastrointestinal (GI) microbiota in vertebrate (especially mammals), information on the GI microbiota of seabirds remains incomplete. As with many seabirds, penguins have a unique digestive physiology that enables them to store large reserves of adipose tissue, protein, and lipids. This study used quantitative real-time polymerase chain reaction (qPCR) and 16S rRNA gene pyrosequencing to characterize the interspecific variations of the GI microbiota of four penguin species: the king, gentoo, macaroni, and little penguin. The qPCR results indicated that there were significant differences in the abundance of the major phyla Firmicutes, Bacteroides, Actinobacteria, and Proteobacteria. A total of 132,340, 18,336, 6324, and 4826 near full-length 16S rRNA gene sequences were amplified from fecal samples collected from king, gentoo, macaroni, and little penguins, respectively. A total of 13 phyla were identified with Firmicutes, Bacteroidetes, Proteobacteria, and Fusobacteria dominating the composition; however, there were major differences in the relative abundance of the phyla. In addition, this study documented the presence of known human pathogens, such as Campylobacter, Helicobacter, Prevotella, Veillonella, Erysipelotrichaceae, Neisseria, and Mycoplasma. However, their role in disease in penguins remains unknown. To our knowledge, this is the first study to provide an in-depth investigation of the GI microbiota of penguins.
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2045-8827 |
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4878 |
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