The Corsican Bronze Age is characterized by the erection of massive stone towers, the torre, and of stone enclosures, the casteddi. While the role of these structures is still debated, they have generally been interpreted as the sign of a hierarchical society, pervaded by martial values and fragmented into competing antagonistic groups. After several centuries of stability, a sharp demographic decline occurred at the end of the Middle Bronze Age. ca. 1350 and 1200 BC. In contrast, the Final Bronze Age, between 1200 and 950 BC, is a period of continuous expansion, characterized by the appearance of new forms of cultural expression, which included the erection of armed menhirs, the development of open villages, and the manufacture of a new type of ceramic production, manifestly inspired by foreign models. The aim of this work is to improve our understanding of the social dynamics at work during the Final Bronze Age through the study of the mobility of the ceramics within a systemic theoretical framework. Another goal is to further our understanding of the function of the fine ware during this period. A portable X-ray fluorescence spectrometer (pXRF) was used on 321 ceramic artifacts from six different sites to assess the extent of the exchanges taking place between six sites, located both on the inner plateaus and the coastal plains. Ceramics made from non-local clay material are present at five out of six sites, which shows that economic exchanges regularly took place between different communities. Except for one site, there is no association between a specific clay material and a type of ware. These results suggest that Final Bronze Age Corsican society should be considered as largely open to external influences.

The diploma thesis analyses the current state of the tourism both in France and Corsica and other more it deals with the importance of the landscape and the natural environment for tourism in Corsica. The theoretical part defines tourism and presents different kinds of tourism (hiking). In the practical part there is analysed specifically the tourism in France, especially one French region -- Corsica is analysed more detailed. The aim of the diploma thesis is to point out the importance of the tourism both for France and for Corsica, to describe the current state of tourism and to analyse the possibilities of its development. More attention is given to the hiking and trekking and possibilities of its development on the Mediterranean island of Corsica.

Avec le développement d’un tourisme pas toujours maîtrisé par les populations locales, les territoires insulaires de Méditerranée sont soumis à d’importantes pressions, qu’elles soient foncières et immobilières, environnementales, économiques ou encore socioculturelles avec notamment la recomposition des sociétés locales liée aux migrations. Face à ces risques, on pourrait attendre des communautés insulaires qu’elles réagissent et s’organisent, et ce d’autant plus que les îles semblent constituer a priori des territoires, si l’on se base sur les postulats de leurs frontières géographiques déterminées, de leur homogénéité socioculturelle, de leur cohésion identitaire et de leurs liens de solidarité traditionnels. Cependant, les mutations relativement importantes de ces dernières décennies ont entraîné une distension de ces liens tout en favorisant l’émergence de nouveaux conflits liés notamment à des appropriations et des visions différenciées du devenir touristique des territoires insulaires. Cette thèse a pour but d’étudier les conditions d’émergence d’une gouvernance partagéedu tourisme dans deux territoires insulaires méditerranéens, l’un en Corse -la Castagniccia Mare è Monti -et l’autre en Crète -le dème de Sitia -, dans la perspective d’une meilleure maîtrise par les sociétés locales d’un développement touristique qui soit soutenable pour le territoire. L’une des composantes majeures de ce travail de recherche a consisté en la conception et l’expérimentation, dans les territoires d’étude, d’un processus participatif pour l'identification, la mobilisation et l’action coordonnée des personnes concernées, suivant trois étapes opérationnelles: la première étape a consisté en un croisement des trajectoires touristiques et des dynamiques organisationnelles de nos deux territoires d’étude, replacées dans leur contexte insulaire régional, afin de mieux comprendre quels pouvaient être les enjeux et les conflits liés au déploiement des activités touristiques. La seconde étape avait pour fonction d’identifier,de collecter et de comprendre quelles étaient les points de vue et positions des personnes concernées quant aux dynamiques et perspectives touristiques de leurs territoires. Enfin, la troisième et dernière étape avait pour objectif d’ouvrir un espace de négociation entre les personnes concernées pour la co-construction d’une vision partagée du devenir touristique de leurs territoires. / The islands of the Mediterranean area are confronted to a massive tourism development which is not systematically well-controlled by their local societies. The issues and pressures related to the touristic development are various and significant, including land pressure linked to real estatespeculation, environmental damages, socioeconomic vulnerability, and the fragmentation of the socio-cultural cohesion due to the restructuration of local societies linked to migrations. Facing such important issues, we could expect from island communitiesthat they would react and organize themselves, especially since islands appear to be archetypical local territories if we consider their natural boundaries, their socio-cultural homogeneity, their cohesive identity and their traditional links and solidarity. However, major mutations in the last decades have resulted in distension of these links while fostering the emergence of new conflicts revealing differentiated appropriations and visions of the touristic future of their island territories.This PhD thesis aims to study the conditions for the emergence of a shared governance of tourism in two Mediterranean island territories, one in Corsica -the Castagniccia Mare è Monti -and one in Crete -the dimos of Sitia -, that could support the empowerment of local societies for the management of a touristic development that could be sustainable for their territories. The central action of the present research was to design and experiment a participative process in the study areas, for the identification, mobilization and coordinated action of the concerned persons. This action included three operational stages: the first step was to realize a cross-study of both tourist trajectories and organizational dynamics of our two study areas, within their insular regional context, to better understand what might be the challenges and conflicts linked to tourism development. The second step was to identify, collect and understand the point of views and positions of the concerned persons about tourism dynamics and perspectives of their territories. The third and final step was to start a negotiation process between the concerned persons in order for them to co-build a shared vision of the tourism future in their territories.

Ce travail de thèse porte sur les miels de Corse commercialisés sous l’AOC et l’AOP « Miel de Corse-Mele di Corsica » et classés en six catégories variétales : « printemps », « maquis de printemps », « miellat du maquis », « maquis d’été », « châtaigneraie » et « maquis d’automne ». Notre objectif principal était de caractériser la composition volatile des miels de Corse et de développer une approche interdisciplinaire en vue de compléter la caractérisation de ces productions par la recherche de nouveaux critères pour la qualification de l’origine botanique et/ou géographique. Les travaux ont donc consisté à croiser les données obtenues par la méthode conventionnelle basée sur les analyses polliniques, sensorielles et physico-chimiques avec celles issues de l’analyse chimique de la fraction volatile des miels.Dans une première partie, 195 miels de nectar ont été caractérisés au niveau pollinique, physico-chimique ainsi que par leurs compositions volatiles. L’analyse pollinique a permis de certifier l’origine Corse et de mettre en évidence les principales espèces nectarifères de chaque gamme variétale et/ou les associations végétales caractéristiques des miellées. L’analyse de la fraction volatile par MEPS, CPG et CPG/SM a conduit à l’identification des marqueurs chimiques des diverses variétés de miels, à savoir la 2-aminoacétophénone (« châtaigneraie ») ; le p-anisaldéhyde et le 4-n-propylanisole (« maquis de printemps ») ; l’isophorone et le 3,4,5-triméthylphénol (« maquis d’automne ») ; les isomères de lilac aldéhyde et du p-menthèn-9-al (« printemps typé clémentinier »). De plus, une étude interdisciplinaire (analyse mélissopalynologique, physico-chimique et fraction volatile) basée sur l’utilisation de traitements statistiques des données multifactorielles a été menée sur chacune des catégories variétales. Les résultats obtenus ont permis de mieux cerner l’origine botanique des miels « quasi-monofloraux » ; de proposer des hypothèses sur les autres apports nectarifères et/ou miellatifères dans les miels à taxon dominant de type sur-représenté (« châtaigneraie ») et normal (« maquis de printemps ») ; de déterminer les différentes contributions nectarifères dans les miels dont l’espèce dominante à un taxon de type sous-représenté (« printemps » et « maquis d’automne ») et dans ceux ayant une origine botanique complexe (« maquis d’été »).Dans la seconde partie de nos travaux, nous avons caractérisé la fraction volatile de 74 miels des gammes « miellat du maquis » et « miel de Corse ». L’analyse statistique de la variabilité chimique a permis de distinguer les miellats de Metcalfa par la teneur en 3-furaldéhyde. Par ailleurs, nous avons pu qualifier l’origine botanique des miels dit « génériques » (mélange « miel de miellat »/« miel de nectar »), notamment les apports significatifs de « châtaigneraie » (molécule marqueur : 2-aminoacétophénone) et/ou de « maquis de printemps » (p-anisaldéhyde et 4-n-propylanisol).Enfin, ces travaux ont permis de développer une approche innovante basée sur une approche multifactorielle (polliniques, physico-chimiques et volatils) afin de mieux qualifier la complexité des origines botaniques des miels de Corse. / This thesis was focused on the Corsican honeys under the AOC and AOP appellation “Miel de Corse-Mele di Corsica”. The Corsican honey was classified in six varietal categories: “spring”, “spring maquis”, “honeydew”, “summer maquis”, “chestnut grove” and “automne maquis”. The aim of this work was to characterize the volatile composition of Corsica honey and to develop an interdisciplinary approach to complete the characterization of Corsican honey and the qualification of the botanical and/or geographical origin. In the first part, 195 nectar honeys were characterized by melissopalynological, physico-chemical and volatile analyses. Pollen analysis allowed the certification of Corsican origin and highlights the main nectariferous species and/or characteristic plant associations of each varietal range. Thus, the volatile analysis by SPME, GC and GC/MS allowed the identification of some chemical markers of honey, namely 2-aminoacetophenone (“chestnut grove”); p-anisaldehyde and 4-n-propylanisole (“spring maquis”); isophorone and 3,4,5-trimethylphenol (“automne maquis”); isomers of lilac aldehydes and p-menth-1-en-9-al (“spring clementine”).For each honey range, an interdisciplinary study was carried out by using statistical analysis of multifactorial data (melissopalynological, physico-chemical and volatile data). These results allowed us to identify the “monofloral” honey samples; to propose some hypotheses about the nectar and/or honeydew contribution in honeys with dominant over-represented (“chestnut grove”) and normal taxon (“spring maquis”); and to determine the role of different nectariferous and/or polleniferous species in honeys with underrepresented taxon (“spring” and “autumn maquis”) and those with complex botanical origin (“summer maquis”).In the second part of our work, the volatile fraction of 74 Corsican honeydews and blend honeys has also been investigated. Statistical analysis of the volatile composition has distinguished Metcalfa honeydew by a high abundance of 3-furaldehyde. Otherwise, the other honey samples were characterized by a high abundance of 2-aminoacetopheneone (marker of “chestnut grove” honey) and/or p-anisaldehyde and 4-n-propylanisol (characteristic compounds of “spring maquis" honey). These observations could be explained by the nectar contribution of Castanea sativa and/or Erica arborea in the honeydew samples. Finally, this work has allowed us to develop an innovative approach based on multifactorial approach (pollen analysis, physic-chemical parameters, volatile composition) to obtain discriminant information for the determination of the floral origin from Corsican honeys. / U Mele di Corsica hè un pruduttu sputicu di l’isula. E prime vistighe di l’apicultura inCorsica si ritrovanu in l’Antichità più anziana ma l’arte di a bugna è di u mele vene tralasciatadopu a Sigonda guerra mundiale. Cù a mossa idintitaria di l’anni sittanta (XXu seculu),s’urganizeghjanu i prufiziunali ed ottenenu una Appillazione d’Origine Cuntrullata (AOC) inlu 1998 po una Appillazione d’Origine Prutetta (AOP) in lu 2000. Fatta fine chì a pruduzzioneoghjinca (300 à 350 tunnillate/annu), cummircializata cù a sugillata « Miel de Corse-Mele diCorsica » si spachja sigondu sei catigurie variitesche : « veranu », « machja viraninca », «milata di u machjetu », « machja d’istate », « castagnetu » è « machja auturnale ».In lu quatru di e norme naziunale (AOC) ed eurupee (AOP), u metudu cunvinziunaleda cirtificà l’origine geugrafica è butanica s’arremba à e caratteristiche pulliniche, fiscuchimicheè urganulettiche di i meli. U fine principale di sta tesi dutturale hè di caratterizà avariabbilità chimica di ste pruduzzione di modu à prupone criterii novi di qualifichera.U studiu di a frazzione vulatile di 269 campioni di meli (inclusuci e sei catigurievariitesche), hà permessu d’invinturià, pè a prima volta, a custituzione in cumposti vulatili di imeli di Corsica. I nostri travagli sò sbuccati dinò nantu à l’idintificazione di i marcadorichimichi in leia diretta cù e spicificità di i rughjoni di pruduzzione. Per quessa, un accostuinterdisciplinariu – appaghjendusi i dati di i metudi cunvinziunali cun quelli di a tippulugiavulatile- hè statu prupostu da pudè diterminà l’origine fiurale.Cusì sò stati idintificati i marcadori chimichi di parechje variità di mele, vene à dì u 2-aminoacetofenune (« castagnetu ») ; u p-anisaldeide è u 4-n-prupilanisole (« machja viraninca») ; l’isoforunu è u 3,4,5- trimetilfenule (« machja auturnale ») ; l’isomeri di lilace aldeide è diu p-menten-9-al (« veranu tippu clementinu »).Sta prima caratterizazione multifatturiale di i meli di Corsica hè propiu d’opu pèl’apicultori in lu quatru di l’evuluzione spaziu-tempurale di e pruduzzione isulane in funzionedi e cundizione di u mezu (variazione bioclimatiche, mudifica di u prucessu di e milate, rigiruapaghju).

L’histoire de l’olivier et de l’huile d’olive est indissociable de l’histoire de l’agriculture corse. La réalité historique de la culture de l’olivier et de la production d’huile a été appréhendée à partir de la fin du XVIe siècle jusqu’à la veille de la première guerre mondiale. Le paysage oléicole a connu un grand développement à l’époque moderne sous l’impulsion de la Sérénissime République de Gênes ; il s’est poursuivi au XIXe siècle sous l’autorité de l’administration française. L’étude de l’ensemble des microrégions de l‘île a mis en évidence le rôle majeur joué par les communautés dans l’économie oléicole insulaire. On parle d’une diversité et non d’une unicité de l’olivier en Corse : diversité des variétés, des pratiques culturales, des modes d’extraction de l’huile, des paysages… L’impact économique de cette culture durant la période étudiée a été très important pour la Corse. L’olivier est au cœur des préoccupations des hommes, il a transformé partiellement l’agriculture, les paysages, les infrastructures de transports, l’architecture rurale et a participé à l’émergence d’une société microrégionale originale. / The olive tree and olive oil's history is inseparable from the History of the Corsican agriculture. The real nature of the culture of the olive tree and the production of the olive oil have been comprehended from the end of the XVIth century to the eve of the first world war. The olive landscape knew a great development during the modern age with the Serene highness Republic of Genoa; it pursuded on the XIXth century under the authority of the French administration. The study on the whole microregions of the island higlights the main part played by the comunities in the oleicol economy of the island. Concerning the olive tree in Corsica we notice an important diversity of trees not an uniquiness: diversity of the sorts of trees, of the cultural pratices, of ways to extract the oil, of landscapes... the economic impact of this culture during the era studied had been really important for Corsica. The olive tree is at the heart of the humans' concerns, it partially transformed the agriculture, the landscapes and the substructure of the transports, the rural architecture and took part in the emergence of an original regional micro society. / A storia di l'alivu è di l'oliu d'aliva hè propiu ligata à a storia di l'agricultura corsa. A realità storica di a cultura di l'olivu è di a produzzione d'oliu hè stata studiata da a fine di u XVIe seculu finu à a prima guerra mundiale. U paisaghju d'alivi hà cunnisciutu un grande sviluppu durante l'epica muderna per via di l'abbrivu datu da a Republica di Genuva. S'hè perseguitu durante u XIXe seculu sottu à l'autorità di l'admministrazione francesa. U studiu di l'inseme di a rughjoni di l'isula hà dimustratu a funzione maestra di e communità in l'ecunumia à partesi di a cultura di l'alivi. Si parla d'una diversità è micca d'un'unicità di l'alivu in Corsica : diversità di e varietà, di e pratiche culturale, di e manere per fragne l'alive, di i paisaghji... U pesu ecunomicu di sta cultura durante u periodu studiatu hè statu assai impurtante per a Corsica. L'alivu face parte di e riflessione di l'omi. Hà cuntribuitu à transfurmà l'agricultura, i paisaghji, l'infrastrutture di i trasporti, l'architettura campagnola è hà participatu ancu à a nascita d'una sucetà micro regiunale originale.

This thesis offers a comparative historical analysis of sub-state violent contention in Quebec and Corsica. It focuses specifically on the Front de Libération du Québec (FLQ) and the Fronte di Liberazione Naziunale Corsu (FLNC), in 1963 to 1971 and 1976 to 1990, respectively. The thesis argues that the FLQ and the FLNC sought to extend radical ideological space to promote independence in order to achieve revolutionary social and economic change through campaigns of violence and kidnappings. Theoretically, the thesis draws on the contentious politics and social movements literatures, which it notably combines with Radical Flank Effect (RFE). RFEs are interactive processes that aim to map the beneficial and/or detrimental impact of radical group action on moderate groups. Whilst commonly used to understand the political outcomes of social movements, RFE is used in this thesis in conjunction with social movement literature to compare the relationship between these violent movements and their more moderate opponents. To understand the internal dynamics of these movements, I have identified four key elements of contrast: membership, ideology, network structure and strategy. I draw on, for example, McAdam, Tarrow and Tilly's (2001) mobilization method, which aids an understanding of membership and ideology by framing the interaction amongst challengers, their opponents and the media. This thesis seeks to understand FLQ and FLNC mobilization in light of the aim to shape and develop radical ideological space in the sub-states of Quebec and Corsica. It draws on an extensive study of archival data that includes police reports that have only recently been made available in Canada, transcripts of court cases, newspapers, and an interview with a former member of the FLNC, as well as secondary sources. The central orienting question is: what explains the contrasting patterns of sub-state violent contention in Quebec and Corsica? More specifically, why did the FLQ dissolve in 1971, yet the FLNC continued its violent trajectory, albeit less political and nationalist, until 2014? The FLQ and the FLNC differently subscribed to Marxism and postcolonialism. The FLQ was committed to a Marxist program of revolutionary change, and this commitment was shared by the FLNC until the collapse of communism in central and Eastern Europe in 1989. FLQ members considered themselves 'urban revolutionaries' and employed Marxism to understand the economic disparity in industrial Montreal. Early Corsican violent contention, in contrast, included Maoist influences, in particular, through their demand for agrarian reform. The two groups viewed the relationship between their sub-states (Quebec and Corsica) and central states (Canada and France) through a colonial lens, and understood their mobilization against these states and elite minorities (the Anglophone elite in Quebec and the pieds noirs in Corsica) in this light. Both violent movements targeted this colonial relationship. Both the FLQ and FLNC manifestos were economically and politically focused, land and culture were additionally highlighted by the FLNC. This thesis found that sub-state violent contention in the very different contexts of Quebec and Corsica shared an overall pattern, an arc of violent mobilization. The initial mobilization developed from a frustration with moderate political groups; radicalization grew and new tactics were embraced; until turning points that included the assassination of Pierre Laporte by the FLQ and the division of the FLNC into competitive factions, and then a decline of activity, mobilization and recruitment. Although the FLQ and the FLNC contrasted greatly in terms of membership, ideology, organization and strategy, both groups attempted to extend radical space through the use of violent contention in these two very different nations. Ultimately, however, while the FLQ and the FLNC were able to extend or maintain radical space at times, yet they failed to sustain the extension of ideological radical space on the basis on their revolutionary manifestos.

Au cours des dernières décennies, la multiplication des fouilles d’ensembles funéraires a entraîné un renouvellement des connaissances sur les pratiques funéraires médiévales et elle a permis de réaliser des synthèses sur le sujet à l’échelle locale ou régionale. Dans l’espace méditerranéen nord-occidental, un territoire n’avait encore jamais fait l’objet d’une telle étude : la Corse. Cette recherche se propose de pallier ce constat par une analyse archéo-anthropologique du matériel issu des fouilles récentes de trois cimetières, à l’époque associés à des sièges épiscopaux : Ajaccio, Mariana et Sagone. Ces ensembles funéraires se caractérisent par une longue durée d’utilisation et une diversité des types de sépultures. L’objectif principal étant, à travers l’analyse des pratiques funéraires, d’approcher la composante culturelle des populations, les permanences et les évolutions au cours du temps. Il s’agit ainsi de mettre en évidence les spécificités relatives à chaque période et à chaque site et de les replacer dans le contexte plus général du bassin méditerranéen nord-occidental, afin d’en souligner d’éventuelles influences culturelles ou la formation de traditions locales. Cette première échelle d’analyse est couplée à une étude biologique des populations inhumées dans le but de caractériser le recrutement funéraire des cimetières, la reconnaissance de groupes familiaux ou sociaux ainsi que l’état sanitaire des populations. L’ensemble de ces éléments est dans un troisième temps replacé à l’échelle de l’espace funéraire, de manière à caractériser son organisation et sa place dans le paysage. / For several decades, the multiplication of the excavations of burial sets led to a renewal of knowledge on medieval funerary practices and allowed to operate syntheses on the subject at the local or regional level. In the North-Western Mediterranean area, a territory had never yet been the subject of a study on the topic: Corsica. This research proposes to overcome this observation by an archaeo-anthropological analysis of the archaeological material from recent excavations of three cemeteries associated with episcopal seats: Ajaccio, Sagone and Mariana. These cemeteries are characterised by a long period of use and a diversity of burials’ types. The main objective is, through the analysis of burial practices, to approach the cultural component, its permanencies and its evolutions over time. It is as well to highlight the specificities relating to each period at each site and to replace them in the larger context of North-Western Mediterranean basin, in order to underline any cultural influences or the formation of local traditions. This first level of analysis is coupled with a biological study of populations who were buried in order to characterize the funeral recruitment of the cemeteries, the recognition of the family or the social groups as well as the health status of the populations. All of these elements is, in a third step, replaced at the scale of the funerary space, so as to characterize its organization and its place in the landscape.

This thesis deals with regional development policy in Corsica region in the periods 2000-2006 and 2007-2013. During the first period region remained temporarily in objective 1 - Promoting the development and structural adjustment of regions whose development is lagging behind. This period should facilitate the preparation for the transition into the developed European regions. The aim is to answer the question whether the region succeeded in coping with the new requirements of regional policy in 2007-2013 and if any shift towards an economy based on competitiveness and employment occurred there in contrast with the previous period. Based on the theory of new regionalism and learning regions this work defines three criteria which are used to compare of regional policy region in the given time frame. These are the institutional embeddedness with regard to who is involved in the negotiation of regional policy strategy, the environment in terms of economic configuration of the region and the density of institutions focusing on cooperation between fields of education, research and the private sector. The analysis shows that there has been an economic growth in the region. On the other side the regional policy could not fully focus on competitiveness and employment, as it has to deal with structural...

La Corse Alpine offre une section complète du prisme orogénique alpin où la plupart des équivalents des unités décrites dans les Alpes Occidentales peuvent être trouvés sur une section de 40 km. Les minéraux d'haute pression sont exceptionnellement bien préservés, particulièrement la lawsonite, offrant un accès unique à la compréhension de zones de subduction. La Corse alpine est formée par une pile complexe d’unités métamorphiques d'origine continentale et océanique. Ces unités ont été interprétées soit comme des mélanges tectoniques complexes formés pendant la subduction alpine, soit comme les parties plus continues de lithosphère continentale et-ou océanique. Les rares estimations de condition PT sur des larges régions de la chaîne résultent en plusieurs incertitudes dans l'identification des limites séparant les unités qui ont subi des évolutions tectono-métamorphiques différentes et, par conséquent, dans la définition d'une architecture complète de la chaîne. Les données de terrain, structurelles et métamorphiques obtenues dans cette étude aux différentes échelles suggèrent que la chaîne de la Corse alpine est caractérisée par une forte conservation de structures pré-alpin, de la micro-échelle à l'échelle de la chaîne, malgré la déformation intense associée avec le métamorphisme, qui a localement donné les conditions du facies éclogitique et lawsonite. En détail, seulement neuf domaines tectono-métamorphiques homogènes ont été identifiés. Ces terrains peuvent être attribué aux domaines paléogéographiques différents qui ont subi des évolutions tectono-métamorphiques différentes. Malgré ça, les données géochronologiques fournies pendant cette étude indiquent que la Corse alpine résulte d'une évolution complexe, étant caractérisée par la signature claire tant de la tectonique alpine Eocène, à 35 Ma, que de la tectonique apennine, à 25 Ma. Les résultats fournis dans cette thèse contribuent non seulement à la compréhension des processus de subduction et de formation de montagnes, mais donnent aussi des contraintes importantes pour déchiffrer les systèmes Tethys-Alpes et Alpes-Apennine. / Alpine Corsica offers a complete section through the Alpine orogenic wedge where most equivalent of the units described in the Western Alps may be found over a 40 km section. High-pressure mineral assemblages are exceptionally well preserved, especially lawsonite, offering a unique access to the understanding of deeply subducted terranes.Alpine Corsica consists of a complex stack of variably metamorphosed units of continental and Tethys-derived material. These units have been interpreted either as complex tectonic mixing formed during the Alpine subduction, or as more continuous portions of continental and/or oceanic lithosphere. The lack of detailed PT estimates over wide regions of the belt results in several uncertainties in identifying the boundaries separating units that experienced different tectono-metamorphic evolutions and, consequently, in the definition of an exhaustive architecture of the belt.Field, structural and metamorphic data collected in this study at different scales suggest that the Alpine Corsica belt is characterized by a high preservation of pre-Alpine sctructures, from the micro-scale up the scale of the belt, despite the intense deformation essociated with metamorphism, which locally reached lawsonite-eclogite metamorphism. In particular, only nine homogeneous tectono-metamorphic domains have been identified. These terranes can be referred to different paleogeographic domains that experienced different tectono-metamorphic evolutions.Despite that, geochronological data provided during this study indicate that Alpine Corsica results fro a complex polyphase evolution, being characterized by clear signature of both Alpine tectonics, at around 35 Ma, and Apennine tectonics, at around 25 Ma.Results provided in this paper contribute not only to the understanding of processes of subduction and mountain building, but also give important constraints for deciphering the Tethys-Alps and Alps-Apennine systems.

Parmi tous les thèmes explorés par la Préhistoire, le mégalithisme constitue un volet à part entière de l'histoire des peuples préhistoriques. Au sein des multiples manifestations mégalithiques dans le monde, la thématique des pierres dressées est l'une des plus obscures. Pour cette raison, l'étude de ce phénomène est relativement délicate. La forte disparité des données disponibles ne constitue toutefois pas une limite essentielle à l'élaboration de synthèses régionales sur le phénomène. Le phénomène mégalithique des pierres dressées de l'aire corso-sarde est le sujet d'un intérêt croissant depuis le XIXe siècle. Les recherches les plus récentes effectuées sur le sujet en Corse et en Sardaigne témoignent de modifications importantes des approches et des méthodes d'analyse. Le présent travail peut être partiellement placé dans la lignée de ces nouvelles approches. L'analyse de ce phénomène en Corse et en Sardaigne requérait l'appréhension de tous les contextes archéologiques (habitats et sépultures) d'un point de vue géographique, c'est-à-dire l'étude des territoires préhistoriques et protohistoriques. Les liens existants entre les pierres dressées et les sociétés de « constructeurs mégalithiques » constituent l'une des clés de la compréhension de ce type de pratiques. Les aspects territoriaux des pierres dressées et par extension du mégalithisme constituent un des éléments les plus importants des questionnements actuels. La présente thèse propose donc d'aborder le phénomène des pierres dressées selon divers points de vue inter-sécants : territorial, environnemental et chrono-culturel. / Among the themes explored by Prehistory, megalithism is a full-fledged part of the history of prehistoric peoples. Among the multiple megalithic events in the world, the theme of standing stones is one of the most obscure. For this reason, the study of this phenomenon is relatively delicate. The large disparity of available data, however, is not an essential limit to the development of regional syntheses of the phenomenon. The megalithic phenomenon of standing stones of the Corsica and Sardinia area is the subject of an increasing interest since the nineteenth century. The latest researches done on the subject in Corsica and Sardinia demonstrate significant changes in approaches and methods of analysis. This work can be partially placed in line with these new approaches. The analysis of this phenomenon in Corsica and Sardinia required the apprehension of all archaeological contexts (settlements and funeral sites) from a geographical point of view, that is to say the study of prehistoric and protohistoric territories. The existing links between the standing stones and the megalithic builders' communities are one of the keys to understanding this type of practice. The territorial aspects of standing stones and by extension of megalitism are one of the most important actual questions. This thesis proposes to approach the standing stones phenomenon from different intersecting points of view: territorial, environmental and chrono-cultural. To do this, a specific methodology has been developed through the complementary association of Cartesian and Systemic precepts.