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13 projets européens trouvés

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 TERMINÉ 
"Reconstructing the historical (phylogenetic) interrelationships of biological entities (e.g., taxa, species, genes) is a substantial goal of evolutionary biology not least because knowledge of these relationships facilitates the interpretation of all comparative biological data. Due to continuing improvement of sequencing techniques and computational power within the last 20 years, molecular phyl ...
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 TERMINÉ 
"Biodiversity is unevenly distributed in space and time, and biologists seek to explain the generalities and exceptions. North East India (NEI) is very rich in biodiversity. Previously this was thought to be because it is a gateway between the Himalaya and IndoBurma regions. These two latter regions are considered biodiversity conservation hotspots, with the boundary between them running through N ...
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 TERMINÉ 
"This project addresses fundamental gaps in our knowledge on the diversity and eco-biogeography of Sino-Himalayan Umbelliferae, commonly known as the carrot or parsley family. Many of these plants are medicinal herbs used by Sino-Himalayan communities, and are endangered due to their fragmented and shrinking forest habitat. This study will be achieved through development of a web-based taxonomic w ...
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 TERMINÉ 

Clays in acid environments on Mars (Acid-Mars)

Date du début: 1 sept. 2014, Date de fin: 31 août 2016,

This project will investigate the origin of aluminous Martian clay minerals (thought to be Hesperian in age) as possibly generated by acid hydrous alteration of silicate rocks. Clays are abundant on Mars, indicating extensive and continued hydrous activity at an early stage in the planet. Such fact has implications for the search of evidence for extraterrestrial life and for our knowledge of past ...
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 TERMINÉ 
Evolutionary ecology, the study of patterns and processes at the interface of evolutionary biology and ecology, is an exciting and rapidly growing research area. However, most studies ignore one important factor: extinction. I aim to develop methods for adding fossil species into phylogenies and evolutionary ecology analyses, using primates as a study group because the order has a lot of interesti ...
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 TERMINÉ 
Forensic entomology is today an increasingly robust science which has its main application in the estimation of the minimum postmortem interval based on the age of necrophagous insects (mainly blowflies) collected from cadavers. However, whilst accurate death time estimations can be inferred from the larval stage of these insects, estimates based on the pupal stage (which accounts for approximatel ...
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 TERMINÉ 

New Insights on Micrometeorites (MICROMET)

Date du début: 15 avr. 2013, Date de fin: 14 avr. 2015,

"Micrometeorites are extraterrestrial dust particles that reach the Earth’s surface. They largely originate from comets and asteroids, the small bodies of our solar system believed to contain primordial solar system materials in a range of states of preservation. The mineralogy of these materials provides a record of their formation environment (e.g. temperatures and materials available) and/or su ...
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 TERMINÉ 
"The causes of global decline of amphibian population is still unclear, however it is apparent that this animal group is susceptible to opportunistic infections. Two important infectious agents have been identified: a fungus and a virus, both of which are responsible for mass mortalities. However, since 2003, new mass mortality events have been recorded through out the USA and have been attributed ...
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 TERMINÉ 

Origin and Early Evolution of Plant Symbionts (SYMBIONTS)

Date du début: 3 sept. 2012, Date de fin: 2 sept. 2014,

"Fungi and fungi-like eukaryotes are commonly associated with plants where they adopt a variety of roles ranging from ones of mutual benefit (e.g., nutrient acquisition via mycorrhizae in roots) to others that are exploitative to varying degrees (e.g., parasites). These associations are of great evolutionary importance, but although they are known to be ancient direct evidence from the fossil reco ...
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 TERMINÉ 
"The central objective of this project is to provide a scientific basis for the prediction of the ecotoxicity of toxic metals to local biodiversity in sediments of European estuaries subject to anthropogenic contamination. Measurements of accumulated metal concentrations in sediment-ingesting infaunal invertebrates can provide evidence on local sediment bioavailabilities of toxic metals, but such ...
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 TERMINÉ 
Myxozoa are endoparasitic animals that exploit invertebrates and fish. Their phylogenetic position has long been controversial. However, recent placement within Cnidaria makes it clear that myxozoans have undergone astonishing morphological simplification associated with the evolution of parasitism. Such simplification is characteristic of many parasites but the genetic and developmental bases are ...
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 TERMINÉ 
This study will explore the origin of Fe/Mg-rich clay minerals on Mars. Clays, recently discovered on Mars using near-infrared spectroscopy, show for the first time unambiguous evidence for sustained aqueous activity on Mars. Understanding the environmental conditions of formation of these materials, which are dominated by Fe/Mg-rich clays, is central to revealing Mars climate history and past hab ...
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 TERMINÉ 

Deep Ocean Dispersal and Evolution (DODE)

Date du début: 1 avr. 2011, Date de fin: 31 mars 2013,

"The deep sea is the last great unexplored frontier on planet earth. In recent years, many hundreds of new species have been discovered in the deep sea. A key paradox in deep-sea biology is the degree to which deep-sea fauna are able to disperse. The prevailing paradigm has been one of cosmopolitanism, with animals having easy access to all ocean basins and cosmopolitan species traversing the worl ...
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