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Dieudonné E. |
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Une première analyse des données de l'observatoire GLACIOCLIM-SAMBA |
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2005 |
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Rapport de stage L3, Université de Grenoble
Consultable sur http://www-lgge.obs.ujf-grenoble.fr/~christo/glacioclim/samba/ |
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411 |
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yes |
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3271 |
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Gayet J-F, A. Schwarzenboeck, C. Duroure, C. Gourbeyre, R. Lefevre |
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Title |
Une plate-forme de mesures aéroportées pour la caractérisation in situ des propriétés des nuages et des aérosols |
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Conference - National - Communication |
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2005 |
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Atelier Instrumentation & Expérimentation, CNRM T |
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430 |
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yes |
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4210 |
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Chapuis J.L., Frenot Y. & Lebouvier M. |
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Title |
Une gamme d’îles de référence, un atout majeur pour l’évaluation de programmes de restauration dans l’archipel de Kerguelen. |
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Journal Article |
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2002 |
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Rev. Ecol. (Terre et Vie) Suppl. |
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9 |
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121-130 |
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L’archipel de Kerguelen est constitué d’une île principale (6 500 km2) et d’une soixantaine d’îles secondaires (1-200 km2). Certaines sont totalement indemnes d’espèces introduites, d’autres ont été colonisées par des espèces végétales et des invertébrés allochtones, et d’autres encore sont occupées, de plus, par un ou plusieurs mammifères introduits. Un programme de restauration écologique concernant trois îles (145 à 165 ha) dégradées par la présence de mammifères (lapin, lapin-souris, lapin-chat-souris) a été initié en 1992 par éradication du lapin. Par la présence d’îles de référence (sans herbivore introduit) et d’îles témoin (avec lapin), l’archipel de Kerguelen offre une situation exceptionnelle permettant de distinguer les effets de l’intervention de ceux d’autres facteurs. Le suivi synchronique de la végétation de différentes îles a permis de mettre en évidence, par exemple, le rôle du lapin sur le contrôle d’une Astéracée introduite (Taraxacum officinale) et l’importance des changements climatiques sur les trajectoires d’évolution des communautés végétales. Ces observations ont confirmé l’intérêt de disposer de références contemporaines pour analyser les bénéfices d’opérations de restauration et pour orienter les actions à venir. |
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276;136 |
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yes |
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2485 |
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Author |
Rivolier J., Bachelard C., Cazes G., Gaud R., Le Scanff C., Rosnet E., Novikov M., Gushin V., Efimov V. et al. |
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Title |
Une étude méthodologique lors d'une simulation espace. |
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Journal Article |
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Year |
1998 |
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Revue Européenne de Psychologie Appliquée / European Review of Applied Psychology |
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48 |
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201-210 |
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252 |
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Bachelor's thesis |
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1162-9088 |
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yes |
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298 |
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Author |
Carole Ferret |
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Title |
Une civilisation du cheval. Les usages de l'équidé de la steppe à la taïga |
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Book Whole |
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2009 |
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352 p. ill. |
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Attribut indispensable du guerrier nomade dans les empires des steppes, le cheval demeure un instrument fondamental dans la vie quotidienne des peuples turco-mongols de Sibérie et d'Asie centrale. Chez eux, tout tourne autour du bétail et l’animal roi, c’est le cheval. Libre et soumis, monté et sacrifié, trait, mangé et corroyé, compté et chanté, l’équidé ne se contente pas d’être le faire-valoir de l’homme qu’il porte. De la Iakoutie au Turkménistan, il imprègne tous les pans de la culture. Sa figure est brandie comme un emblème national. Et pourtant, ses usages n’ont, jusqu'à présent, fait l'objet d'aucune étude approfondie. C’est un animal si polyvalent et si omniprésent que sa banalité même le rend invisible |
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1057 |
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yes |
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1755 |
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Author |
Carole Ferret |
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Title |
Une anthropologie de l'action appliquée aux techniques d’élevage des chevaux en Asie intérieure |
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Conference - National - Communication |
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2010 |
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séminaire de Pierre Lemonnier et Jean-Paul Demoule La culture matérielle (Musée du quai Branly, Paris). |
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1057 |
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yes |
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3076 |
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Le Maho Y., Gendner J.P., Challet E., Bost C.A., Gilles J., Verdon C., Plumere C., Robin J.P. & Handrich Y. |
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Undisturbed breeding penguins as indicators of changes in marine resources. |
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Journal Article |
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1993 |
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Marine ecology-progress series |
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Mar. Ecol. Prog. Ser. |
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95 |
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137 |
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0171-8630 |
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1944 |
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Marjorie Roscian, Anthony Herrel, Raphaël Cornette, Arnaud Delapré, Yves Cherel, Isabelle Rouget |
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Underwater photogrammetry for close-range 3D imaging of dry-sensitive objects: The case study of cephalopod beaks |
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2021 |
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Ecology and Evolution |
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11 |
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12 |
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7730-7742 |
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3D models cephalopod beaks dry-sensitive material micro-CT scanning micro-photogrammetry underwater photogrammetry |
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Technical advances in 3D imaging have contributed to quantifying and understanding biological variability and complexity. However, small, dry-sensitive objects are not easy to reconstruct using common and easily available techniques such as photogrammetry, surface scanning, or micro-CT scanning. Here, we use cephalopod beaks as an example as their size, thickness, transparency, and dry-sensitive nature make them particularly challenging. We developed a new, underwater, photogrammetry protocol in order to add these types of biological structures to the panel of photogrammetric possibilities. We used a camera with a macrophotography mode in a waterproof housing fixed in a tank with clear water. The beak was painted and fixed on a colored rotating support. Three angles of view, two acquisitions, and around 300 pictures per specimen were taken in order to reconstruct a full 3D model. These models were compared with others obtained with micro-CT scanning to verify their accuracy. The models can be obtained quickly and cheaply compared with micro-CT scanning and have sufficient precision for quantitative interspecific morphological analyses. Our work shows that underwater photogrammetry is a fast, noninvasive, efficient, and accurate way to reconstruct 3D models of dry-sensitive objects while conserving their shape. While the reconstruction of the shape is accurate, some internal parts cannot be reconstructed with photogrammetry as they are not visible. In contrast, these structures are visible using reconstructions based on micro-CT scanning. The mean difference between both methods is very small (10−5 to 10−4 mm) and is significantly lower than differences between meshes of different individuals. This photogrammetry protocol is portable, easy-to-use, fast, and reproducible. Micro-CT scanning, in contrast, is time-consuming, expensive, and nonportable. This protocol can be applied to reconstruct the 3D shape of many other dry-sensitive objects such as shells of shellfish, cartilage, plants, and other chitinous materials. |
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109 |
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2045-7758 |
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8092 |
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Kada, S. |
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Understanding tick dynamics in a community of seabirds. Réunion annuelle du Groupe de travail « Tiques et Maladies à tique », Sète mars 2016. |
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Conference - National - Communication |
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2013 |
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333 |
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4430 |
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Rousset C. & M.-N. Houssais |
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Understanding the formation and export of the Denmark Strait dense water overflow. |
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Conference - International - Poster |
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2005 |
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2005 Layered Ocean Model User's Workshop, Miami, J |
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452 |
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