Dissertations / Theses on the topic 'Montagnes – France – Pyrénées-Orientales (France)'
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Huc, Stéphanie. "Eboulis mobiles et marqueurs biogéographiques : le cas de la haute montagnes des Pyrénées Orientales." Perpignan, 2010. https://tel.archives-ouvertes.fr/tel-00545442.
Full textThis work aims to understand the dynamics of slope debris systems located above the treeline in the eastern Pyrenees. The degree of activity and mode of evolution of these talus slopes is investigated by analysing the relationships that exist between lithographile plant species and slope morphodynamics. The elevated ranges of the eastern Pyrenees are well suited to studying these processes due to a large population of screen deposits occurring in setting favourable to clast production, to the presence of plant species that are adapted to talus instability, and because a number of previous studies have been carried out in the area on a range of related subjects. The study is organized in four parts. We first analyse the spatial distribution and characteristic attributes of screes throughout the area using digital mapping tools and statistical analysis. Then we deal with the climatic environment above the treeline. Local climatic records and original data acquired by dataloggers emphasize the contribution of thermal parameters to both frost shattering on rock faces and to debris movement downslope. This is followed by an attempt to quantify seasonal dynamics on talus slopes and to explain debris displacement based on a combination of lithological, topographic, climatic and biological parameters. Finally, the study focuses on the phytogeomorphological aspects of the scree environment. We used lithophile species as measurement tools for studying debris displacements in the subsurface and as indicators of a restricted range of sediment transfer dynamics on screes
Meschinet, de Richemond Nancy. "Les inondations catastrophiques sur la bordure montagneuse du Roussillon : dégâts et sinistrés." Paris 10, 1997. http://www.theses.fr/1997PA100189.
Full textThere is not any exact superposition between geomorphological effects of catastrophic inundation and agricultural or economic damages. A precise study of 1940 inudation at the scale of cadastral survey is necessary because 2 analysis coexist about importance of devastations after rare events on te one hand and relative stability of the relief shape on the other hand. The connecting process at different scales is analysed in little watersheds. Absence of coincidence between geography of indemnisations and geography of damages offers a problem: this difference results from the choice deliberatly done by the authorities since xviii0 century for gestion of great inundations. In case of regional disaster, the politic choice is firstly to indemnise inundations due to the rivers overflowing, pluvial inundations with generalized rillwash are often taken into account. The consequence of this choice is to more indemnise the plain, which economic health is necessary to the region, than the mountain and besides, pluvial inundations are under represented in french + archives ;. The monarchy choice were implicitly remainded over the xix0 century. Reorganization of the landscapes following inundations accelerates fore evolutions or make emerge a latent tendency: diffrrences increase between high and low land. Disappearence of an oral culture of risk in catalan language is one of the elements which permit to realize the weight of history in actual organisation of administrative regulations. It is necessary to take that into account because people who had suffered from inundations had much changed during 2 centuries. Perception of environment and associated risks has been upset. Evolution is noticed from a knowledge of a space with caprices daily suffered by everybody, but with disasters integrated into villages stories, to an exigence of absolute control on natural environment too much forgotten by eventual victims. Catastrophe semmes like an unbearable breaking. Evolution of indemnisation is finally less tied to catastrophes than to political and administrative changes. A study of those geographical unsuperpositions to different scales allows to be more precise about the feeling of inadaptation between application of national administrative rules and requirements of victims
Rondony, Marc. "Organisation des sauvetages et des soins médicaux en montagne dans le département des Pyrénées Orientales." Montpellier 1, 1990. http://www.theses.fr/1990MON11109.
Full textPadel, Maxime. "Influence cadomienne dans les séries pré-sardes des Pyrénées Orientales : approche géochimique, stratigraphique et géochronologique." Thesis, Lille 1, 2016. http://www.theses.fr/2016LIL10185/document.
Full textThe Ediacaran-Lower Ordovician stratigraphy of the Eastern Pyrenees is updated and revised. A similar stratigraphic framework is compared with neighbouring outcrops from the Montagne Noire (France) and Sardinia (Italy), which take into account: (i) the absence of Cadomian deformation close to the Ediacaran-Cambrian boundary interval, (ii) the presence, like in the northern Montagne Noire, of acidic-dominated volcanosedimentary complexes punctuating the Ediacaran-Cambrian transition, (iii) the lack of the Guzhangian (mid Cambrian) regression, also absent in SW Sardinia. The geochemical analysis of the uppermost Ediacaran volcanism in the Eastern Pyrenees suggest two distinct affinities linked to extensional conditions (metabasites of the Nyer and Olette formations) followed by the influence the Cadomian orogeny (acidic and calk-alkaline magmatism recorded at the top of the Olette Formation and in the overlying Pic de la Clape Formation). Detrital zircons from Terreneuvian siliciclastic sediments of West Gondwana (Morocco, Iberian Massif, Montagne Noire, Pyrenees and Sardinia) reflect a distinct SW-NE trend in the relative influence of major sediment sources: the Panafrican-Atlasian sources predominate throughout the southwesternmost successions, whereas the influence of the Arabian-Nubian Shield and the Sahara Metacraton sources increases northeastward. This trend tends to disappear afterwards, possibly reflecting a common geodynamic evolution throughout this margin
Dubarry, Régine. "Interpretation dynamique du paléocène et de l'éocène inférieur et moyen de la région de pau-Tarbes (avant-pays nord des Pyrénées occidentales, sw France) : Sédimentologie, corrélations dia graphiques, décompaction et calculs de subsidence." Pau, 1988. http://www.theses.fr/1988PAUU3015.
Full textMilian, Johan. "Protection de la nature et développement territorial dans les Pyrénées." Toulouse 2, 2004. https://tel.archives-ouvertes.fr/tel-00009976.
Full textAs other european mountains, the Pyrenees have constituted since the beginning of the 20th c. A privileged area for the application of various nature protection policies. Relations between nature protection and the other mountain's functions, considered for a long time with a dichotomised approach, were in fact complex and diversified. In a context of evolution where Pyrenean mountain is marked by desindustrialisation, the recombining of pastoral and forest productive systems, and the growth of local touristic economies, various actors have given to nature protection more and more social objectives which have complexed its implementation. It was used as a support for local strategies in order to reorganize and recombine collective action. However problems of coordination and conflicts of interests arise because of taking into account ecological stakes and the integration of nature protection into a functionalized logic of territorial development
Grimaldi, Marie-Hélène. "Le dolomie tidale du jurassique terminal des Pyrénées occidentales : Sédimentogénèse, diagénèse polyphasée et contexte dynamique." Pau, 1988. http://www.theses.fr/1988PAUU3016.
Full textGuédon, Frédéric. "Occupation du sol et peuplement en montagne des origines aux temps modernes : le haut Lavedan (Hautes-Pyrénées)." Toulouse 2, 2006. http://www.theses.fr/2006TOU20003.
Full textThis research relates to three of the seven valleys of Lavedan which develop in the extreme southwest of the Hautes-Pyrénées : the valley of Azun, the valley of Cauterets and Davantaygue. It proposes a synthesis of knowledge on the occupation of ground since the first indices of frequenting until the beginnings of the Modern time starting from an exploitation of the historical and cartographic sources traditional and many archaeological prospecting campaigns on the high mountain. If the first material indices of a frequenting go up at the Bronze age, it's finally at the Middle Age that one attends the fixing of the soils and the habitat according to similar methods with what was observed elsewhere, but with different rhythms according to valleys. The settlement seems to have been established in several successive jumps. The first phase of swarming, decisive, sees its apogee with the turning point of Xe and XIe centuries, then the continuation of the growth will be translate rather variously according to valleys. This dynamism continues in Modern time with true enterprises of colonization and the birth of new hamlets
Birre, Deborah. "Dynamique spatio-temporelle de la limite supérieure de la forêt dans la partie orientale des Pyrénées françaises : le rôle de l’anthropisation et des changements climatiques." Electronic Thesis or Diss., Paris 13, 2024. https://theses.hal.science/tel-04651374.
Full textThe position of the upper forest limit, which delineates the transition between forested areas and alpine grasslands in mountainous regions, is theoretically determined by temperatures. However, its response to current climate warming is intricate and heterogeneous, carrying significant ecological and socio-economic implications. This thesis focuses on the Eastern Pyrenees to unravel the interactions between various potential factors and the dynamics of the upper forest limit. The central hypothesis suggests that the hierarchy of influencing factors, whether climatic or anthropogenic, varies depending on the scale of analysis. To test this hypothesis, a methodology combining geomatics for diachronic mapping at the scale of the entire study area, regional statistical analyses of potential factors, and local field surveys has been employed. Four major results have emerged from these analyses : (i) the lowering of the forest limit altitude compared to its theoretical altitude; (ii) the complementary nature of dynamic indicators beyond mere altitude changes; (iii) the multidimensionality of the dynamic depending on the indicator and scale considered; and (iv) the multiscale nature of the dynamic, where local contexts variably influence outcomes. These findings confirm the central hypothesis of the thesis and shed light on the relative effects of climate at regional and local scales
Bouchet, Jean-Claude. "Histoire de la chasse à la grande faune (ours, loups, rapaces, lynx, bouquetins) dans les Pyrénées françaises du XVIème au XXème siècle." Pau, 1988. http://www.theses.fr/1988PAUU1005.
Full textDeletraz, Gaëlle. "Géographie des risques environnementaux liés aux transports routiers en montagne : incidences des émissions d'oxydes d'azote en vallées d'Aspe et de Biriatou (Pyrénées)." Pau, 2002. https://tel.archives-ouvertes.fr/tel-00003245.
Full textThis thesis evaluates the impact of road pollution on mountain ecosystems (acidification and eutrophisation) and shows that geographic approach is complementary to that of the chemists or biologists. Two valleys have been chosen for field studies : Biriatou and the Aspe valley (Somport). Road atmospheric pollution studies raise many methodological difficulties. To study the effects of this pollution, it must be first charted. We describe the model of spatial diffusion of pollution used. The method integrates topography. We have established a cartography of nitrogen deposits for the two studied sectors. Then, this thesis talks about impacts. The evaluation of the deposition is not sufficient to determine the risk. Each ecosystem has specific characteristics (buffer capacity of soil, type of vegetation). The critical loads differ according to the environmental conditions. The definition of the risks areas needs the comparison of the levels of pollution and environmental conditions
Grenouillet, Rose-Marie. "Le territoire, un produit comme un autre ? : La Ressource territoriale comme facteur clé du développement durable local." Caen, 2015. http://www.theses.fr/2015CAEN1001.
Full textTerritorial Resource, yet little used in the geographical analysis, reveals the importance of mobilizing local resources in the establishment of a development project. Its development process is based indeed on a “basket of wealth”, some of which are enhanced by the “patrimonilisation” in a particular development context. Supplemented by a specific organization of actors, it is an element promoting the integration of sustainable development in local projects. This constitutive process then is flexible enough to adapt over time, even if it remains dependent on the willingness of local actors. The Bigourdan context allowed to test the tools developed for this research, including a territorial diagnosis based on the analysis of vulnerability to climate change and the identification of territorial resource, as well as the adaptation of the product life cycle analysis to local project
Benhammou, Farid. "Crier au loup pour avoir la peau de l'ours : une géopolitique locale de l'environnement à travers la gestion et la conservation des grands prédateurs en France." Paris, ENGREF, 2007. http://www.theses.fr/2007ENGRA001.
Full textVeschambre, Sophie. "Caractérisation et quantification des éléments traces métalliques dans les dépôts et les particules atmosphériques de la vallée d'Aspe (Pyrénées) : Mise en place d'indicateurs de la qualité de l'air liés au trafic routier." Pau, 2006. http://www.theses.fr/2006PAUU3007.
Full textThis study of inputs of trace metal elements (TME) in the Aspe valley (Pyrénées Atlantiques) has two objectives: (1) to define a reference state of metallic contaminants for the monitoring of road traffic emissions since the opening of the Somport tunnel and, (2) to evaluate sources and climatic conditions which contribute to TME inputs in the Aspe valley. To establish air quality indicators, TME (Al, Na, Mg, K, V, Mn, Cr, Zn, Cu, Rb, Cd, Sn, Sb, Ba, Ce, Pb and U) and lead isotopic ratios (208Pb/206Pb, 206Pb/207Pb and 208Pb/207Pb) were determined in the atmospheric receptors (fresh snow, wet deposition, atmospheric particulates and lichen). Sampling and analyses with ultra clean procedures were employed for TME quantification. Variability of atmospheric receptors studied, allows integration on a daily and pluriannual temporal scale and a spatial scale in the North-South axis of the valley and as a function of the altitude from the road. The Aspe valley presents a level of contamination characteristic of remote European areas and the metallic contaminants identified are Cd, Sb, Zn, Cu, Pb and Sn. In the low valley, air quality indicators indicate contaminant contributions (i) from local emissions of domestic heat sources, from agricultural burning practices and road traffic, and (ii) from regional anthropogenic sources of waste incinerators, metallurgic industries and urban centres. In altitude, the valley is significantly influenced by wind erosion and long range transport of TME in the Northern Hemisphere. Characterisation of TME and the isotopic ratios of Pb in the Somport tunnel indicate (i) a significant emission of Cu, Sb, Zn and Ba and (ii) an isotopic composition from a slightly radiogenic source even though Pb concentrations indicate low emissions from road traffic emissions. Nevertheless, the low traffic volume in the Aspe valley prevents conclusive evidence of significant contamination from road traffic
Devanne, Anne-Sophie. "Marcheurs en montagne et expérience de l'espace. Une analyse de la construction du rapport à l'espace, à travers la pratique de la marche dans les Pyrénées." Phd thesis, ENGREF (AgroParisTech), 2005. http://tel.archives-ouvertes.fr/tel-00130902.
Full textGauchon, Christophe. "Grottes et gouffres des montagnes françaises : essai de géographie culturelle et patrimoniale du karst profond." Grenoble 1, 1997. http://www.theses.fr/1997GRE10017.
Full textThis thesis results from a ten years search about human presence and arrangements of natural caves. First, our assumption stood out clearly with prejudices often repeated about caves, allways and anywhere frigtening people and keeping them abroad. Now, caves had full place in traditional development of limestone countries and montains. In so far as there was an actual interest, nobody never hesitated in going underground nor in facing great difficulties and risks. In the first two chapters are collected elements of proof and the human presence in caves is looked at in all its various bearings : shelters-caves, caves arranged to forteresses and maturing cheese places, caves turned in sanctuaries and so on. . . Third chapter deals with underground tourism, where interface caves as they were perceived by local populations able to catch a little money with visitors, and underground landscapes contemplated by urban travellers. Genesis of this touristic ressource had narrow links with progress of cave science, history of sensibilities and needing in touristic attractions around spas. Fourth and fifth chapters forsake daily presence in caves and take an interest in scientific and patrimonial status of caves : as varius sights of caves were discovered, progressively grows the care of their protection. Around 300 caves and pot-holes are today protected in France by several laws and status here studied
Bénos, Rémi. "Patrimonialisation de la montagne et action publique territorialisée : la politique "Grand site" dans le massif du Canigou." Phd thesis, Université Toulouse le Mirail - Toulouse II, 2011. http://tel.archives-ouvertes.fr/tel-00694209.
Full textRevelin, Florence. "Montagnes à vivre, à voir et à préserver : dynamiques du tourisme et sites européens du Patrimoine mondial (Laponia et Pyrenées-Mont Perdu)." Paris, Muséum national d'histoire naturelle, 2013. http://www.theses.fr/2013MNHN0018.
Full textThe establishment of a World Heritage Site based on mixed criteria combines objectives relating both to the preservation and the promotion of natural and cultural systems. They may profoundly transform both the relationships to these places and the places themselves. This thesis addresses these dynamics through the prism of tourism. It is based on a comparative study of tourism in two European UNESCO World Heritage Sites situated in mountainous regions : Laponia (in northern Sweden), part of the ancestral land of the Sami people who practice transhumant reindeer husbandry ; and Pyrénées -Mont Perdu (a transboundary area between France and Spain), shaped by ovine and bovine agro-pastoralism. This research is based on a comparative ethnographic approach that focuses on the practices, knowledge, know-how, representations and imaginaries of the diverse users of the sites (local tourism professionals, herders, national park agents, politicians and tourists). The analysis shows that the labelling of these regions by UNESCO took place in the context of a broader dynamic process concerning much more than hust the moment of inscription on the World Heritage List, which mobilised local actors around the many diverse stakes raised by and related to the label. Tourism has a specific place in this dynamic as it intersects with all features of local development and is subject to a diversity of projected views of and visions for the region. This thesis demonstrates that if the development of tourism is a fundamental expectation of the labelling process for some local actors, the sites’labelling has in fact only an indirect effect on how local people adapt to and develop tourism within their territories. The analysis of this process underscores the determining character of the herders’formation into a political body : the observed changes on the Sami territory are the result of the Sami’s commitment to involvement in the site’s governance, itself linked to the wider context of their long struggle to get their rights and culture recognised. This dynamic is not found in the Pyrenean case study
BABAULT, Julien. "Dynamique de l érosion dans les chaînes de montagnes : Influence de la sédimentation de piedmont. L'exemple des Pyrénées." Phd thesis, Université Rennes 1, 2004. http://tel.archives-ouvertes.fr/tel-00007478.
Full textPeltier, Anne. "La gestion des risques naturels dans les montagnes d'Europe occidentale : étude comparative du Valais (Suisse), de la vallée d'Aoste (Italie) et des Hautes-Pyrénées (France)." Toulouse 2, 2005. http://www.theses.fr/2005TOU20072.
Full textComparative analysis shows that for two centuries there has been a certain convergence of speeches and public policies about risks: the approach on climatic change succeeded the speech on the deforestation of mountains, and legal hazard mapping replaced the afforestation and forests protection. However, a finer analysis reveals important differences in the repartition of the competences among the different actors of risk management, with the application of preventive information and more importantly hazard mapping. The political organisation, which gives a more or less significant role to local communities in the development of zoning, constitutes one of the explanations of these differences. Equally to be taken into consideration is the political culture as well as risk philosophy, which associates the present and inherited political, social, economic and cultural contexts as well as the dominant representations in the administrations
Peltier, Anne. "La gestion des risques naturels dans les montagnes d'Europe occidentale. Etude comparative du Valais (Suisse), de la Vallée d'Aoste (Italie) et des Hautes-Pyrénées (France)." Phd thesis, Université Toulouse le Mirail - Toulouse II, 2005. http://tel.archives-ouvertes.fr/tel-00078352.
Full textIl existe, depuis deux siècles, une certaine convergence des discours et des politiques publiques ayant trait aux risques : le discours sur le changement climatique a succédé au discours sur le déboisement des montagnes, et le zonage réglementaire, a remplacé le reboisement et la protection des forêts.
Une analyse plus fine révèle cependant des différences importantes dans la répartition des compétences entre les différents acteurs, dans l'importance accordée à l'information préventive et surtout dans la pratique du zonage des risques.
L'organisation politique, qui confère aux collectivités locales un rôle plus ou moins important dans l'élaboration du zonage, constitue un facteur d'explication de ces différences. Entrent également en ligne de compte la culture politique au sens large ainsi que la philosophie du risque, qui associe une certaine tradition héritée de plusieurs siècles d'histoire, le contexte politique, social, économique et culturel actuel ainsi que les représentations dominantes dans les administrations.
Carré, Juliette. "Le temps des paysages : évolutions paysagères et gestion durable des territoires en montagne pyrénéenne (hautes vallées du gave de Pau et du Vicdessos)." Toulouse 2, 2010. http://www.theses.fr/2010TOU20024.
Full textLandscape and sustainable development take an important place in the reflections on territorial management, but are rarely linked. However, linking the two concepts would likely renew the existing territorial strategies. This issue is approached here by a study of the history of landscapes in two territories of the Pyrenees. The study of these landscapes examines their multidimensionality and in their various temporalities. The objective is to contribute to the construction of a sustainable landscape approach and to put it at the service of the territorial actors. The approach uses three principal research methods: a reading of landscapes, a diachronic analysis of photography and a social investigation. The results obtained show the whole complexity of the developing relationships, in their long-term dynamic, between landscape forms, perceptions of landscapes, and the actions and policies carried out in the field of the territory, environment and landscape. This research shows that the question of the articulation between landscape and sustainable development is not evident. The relationships between development, are not considered in an integral way and with a long-term perspective. . However, this research also shows that the question of time is central in all reflection on the sustainable development and that the landscape is likely to constitute a tool for a better understanding and a better managing of the territorial dynamics in the future
Vacherat, Arnaud. "Inversion d'une marge hyper-amincie : contexte thermo-cinématique et interactions tectonique-érosion au Nord des Pyrénées." Electronic Thesis or Diss., Paris 6, 2014. http://www.theses.fr/2014PA066502.
Full textThe Pyrenees are a double vergent fold and thrust belt. The Pyrenean belt resulted from the inversion and the collision of previously hyper-extended domains of the Iberian and European plates from the Late Cretaceous to the Late Oligocene. However, what is the thermal evolution of such inverted hyper-extended domains, as well as the influence of this extensional thermal inheritage on the orogenic growth, are poorly constrained.The North Pyrenean Zone (NPZ) is characterized by numerous preserved evidences of this hyper-extension (exhumation of sub-continental mantle material, high temperature-low pressure metamorphism). We bring time and temperature constraints on the evolution of these hyper-extended domains from rifting to collision, by using low-temperature thermochronology ((U-Th-Sm)/He and fission track analyses on apatites and zircons).The Mauléon basin (western part of the NPZ) recorded a high geothermal gradient emplaced during extension due to the extreme thinning of the lithosphere below. The basin remained hot even during the beginning of the convergence. Cooling is only recorded during the main phase of orogenic growth. The imprint of this thermal anomaly is stronger farther to the east, in the central NPZ (Ariège area). Here, the hyper-extended domain is not well preserved, because of a higher amount of shortening. New thermochronological and structural data on the relatively less deformed units to the North revealed cooling during extension, related to denudation. Moreover, these domains conserved their extensional architecture during convergence and collision
Soliva, Josette. "Les déformations ductiles dans la zone axiale des Pyrénées-Orientales : la convergence varisque, la mise en place des granites tardi-hercyniens, la convergence pyrénéenne." Montpellier 2, 1992. http://www.theses.fr/1992MON20121.
Full textDi, Russo Claudio. "Adaptations et divergence évolutive des populations des Dolichopodes des Pyrénées orientales (groupe D. Linderi)." Toulouse 3, 1993. http://www.theses.fr/1993TOU30261.
Full textVacherat, Arnaud. "Inversion d'une marge hyper-amincie : contexte thermo-cinématique et interactions tectonique-érosion au Nord des Pyrénées." Thesis, Paris 6, 2014. http://www.theses.fr/2014PA066502/document.
Full textThe Pyrenees are a double vergent fold and thrust belt. The Pyrenean belt resulted from the inversion and the collision of previously hyper-extended domains of the Iberian and European plates from the Late Cretaceous to the Late Oligocene. However, what is the thermal evolution of such inverted hyper-extended domains, as well as the influence of this extensional thermal inheritage on the orogenic growth, are poorly constrained.The North Pyrenean Zone (NPZ) is characterized by numerous preserved evidences of this hyper-extension (exhumation of sub-continental mantle material, high temperature-low pressure metamorphism). We bring time and temperature constraints on the evolution of these hyper-extended domains from rifting to collision, by using low-temperature thermochronology ((U-Th-Sm)/He and fission track analyses on apatites and zircons).The Mauléon basin (western part of the NPZ) recorded a high geothermal gradient emplaced during extension due to the extreme thinning of the lithosphere below. The basin remained hot even during the beginning of the convergence. Cooling is only recorded during the main phase of orogenic growth. The imprint of this thermal anomaly is stronger farther to the east, in the central NPZ (Ariège area). Here, the hyper-extended domain is not well preserved, because of a higher amount of shortening. New thermochronological and structural data on the relatively less deformed units to the North revealed cooling during extension, related to denudation. Moreover, these domains conserved their extensional architecture during convergence and collision
Ricouart, Francine. "La gestion de l'espace et la prévention des incendies de forêt dans les Pyrénées Méditerranéennes : paysage, diversité des Rhopalocères et réduction de combustible." Toulouse 2, 2005. http://www.theses.fr/2005TOU20040.
Full textThe present work deals with multiple topics including issues of forest fires, spatial planning and evaluation of the impact of wildland fuel-breaks. It gives a better understanding of the consequences of developments undertaken for the management of Meditarranean aeras with the aim of DFCI ("Défense des Forêts Contre l'Incendie", defense of forests against fires), not only at the level of landscape dynamics but also at the level of eventual markers of modifications introduced by these new environments. It also aims at proposing to local actors tools for a pastoral management and the DFCI for future planning. This research is based on a global analysis of the various zones and a detailed approach of vegetal formations and butterfly fauna. The impacts of the landscape and biodiversity on fuel reduction are evaluated through localized examples in the Pyrénées-Orientales which are representative of identified areas in the forested and sub-forested Mediterranean region
Serve, Léon. "Recherches écologiques sur quelques groupements végétaux de l'étage alpin des Pyrénées-Orientales." Perpignan, 1989. http://www.theses.fr/1989PERP0080.
Full textMaurel, Olivier. "L' exhumation de la zone axiale des Pyrénées orientales : une approche thermo-chronologique multi-méthodes du rôle des failles." Montpellier 2, 2003. http://www.theses.fr/2003MON20037.
Full textCarozza, Jean-Michel. "Évolution des systèmes géomorphologiques en contexte orogénique : l'exemple des bassins d'alimentation du Roussillon (Pyrénées Orientales) : approche morphotectonique." Toulouse 2, 1998. http://www.theses.fr/1998TOU20070.
Full textGeomorphic system responds to exogenic control modifying their morphology and sedimentary parameters. This property can be used to sign uplift in active mountain belt. First chapter focuses on methodology and scientific context of the study. Chapter 2 interested in sedimentary response of the main drainage divided (Têt and Tech basins). Sequential stratigraphic analyse of plio-quaternary deposits allows paleo environmental restitution. Three mega-sequences are distinguished, reflecting high variability of sedimentary and paleogeography surrounding. It suggests tectonic driving environment. Hydrodynamic and environmental parameters keep up during quaternary time. The individualisation of the Réart basin and turn to lateral alluvial deposits suggest pursuit of tectonic deformation. Morphologic response of drainage basins is point out by morphometric characteristic of drainage basins (chapter iii). It focuses on spatial variation of channels network and basins characteristic. Channel patterns are under control of regional or general parameters. However, longitudinal profile of the main rivers and morphometric characteristic suggest east-trending variation of basin maturity. Tet and Tech's scarp fault morphology confirm east-west morphological gradient. It shows growth of the deformation from east to west. Geomorphostructural analyse, using DEM, informs on prolongation of this morph structure in the Roussillon basin. It suggests high activity during plio-quaternary, resulting from left lateral strike-slip tectonic. It induced formation of alternate push up and pull apart basin, controlling plio-quaternary sedimentation. Neotectonic evidence implied seismic hazard re-evaluation in this part of the Pyrenees
Blanc, Frédéric. "L'oiseau, la friche et le feu : distribution et dynamique des passereaux nicheurs du site Natura 2000 Madres-Coronat (Pyrénées-Orientales)." Toulouse 2, 2008. http://www.theses.fr/2008TOU20028.
Full textStudying effects of global change on birds biodiversity and dynamic refers to go thoroughly into identifying and understanding complex “society / environment” relationships. History of pastoral practices over centuries on the Natura 2000 study site of Madres-Coronat (Eastern Pyrenees) induced an exceptional birds biodiversity until recently. Pastoral open lands of Mediterranean mountains are home to many bird(s) specie(s) of high interest. In consideration of their uncertain future, this species have priority in biodiversity preservation. Unfortunately, these so-called "cultural" landscapes are threatened by a rapid and generalized land cover change from open natural grassland to fallow lands involved by land abandonment and changes of farming practices since the beginning of the 20th century. Therefore, the disappearance of open lands leads to a dramatic regression of such habitats dependent species which are replaced by more common forest species widely represented at the European level. How to explain distribution and evolution of contemporary breeding passerines in Mediterranean mountains in the light of the history of landscapes and pastoral practices in Madres-Coronat mounts ? What kind of actions to implement in order to manage and preserve these preferential habitats ? We adopt an interdisciplinary approach to answer these two questions for better grasping the complexity of interactions involved. Consequently we organized our study in four main parts for which we underlined throughout this work their close interdependencies: (1) an inventory of breeding passerines populations; (2) a biogeographic approach of land use and cover changes to understand the establishment of landscapes and impact of fire on habitats ; (3) a spatial and historical approach on prescribed burning ; (4) a synthesis aiming on two objectives: to understand interactions of the system between human practices / fallow land evolution / bird biodiversity and to help environmental management decision support throughout reflecting on farming and land management practices but also by ranking actions to consider
Constant, André. "Du castrum à la seigneurie : pouvoirs et occupation du sol dans le massif des Albères et ses marges (IIIe siècle-XIIe siècle)." Toulouse 2, 2005. http://www.theses.fr/2005TOU20010.
Full textIn the mediterranean area of the Pyrenees, the creation of a military frontier during the late Empire and the rise of the pyrenean bishoprics during the visigothic period lead to the local creation of the castrum. After a probable crisis in the 8th century, there is a revival of the first castrum network, encouraged by carolingian kings through the aprisio grant. Around the 940s, the territorialisation of the parish deeply transforms the organisation and heralds the emergence of seigniorial viscountcies. In the 11th century, at the same time as a process of incastellamento begins within the network of old villae, the slow development of the gregorian reform adapts the castrum districts to a new geographical organisation of power. Finally, in the 12th century, the merging of the castrum and the parish leads to the appearance of a more complex infrastructure, linked to the chapters of cathedrals and the collegiate churches of canons, to manage rural spaces
Clavières, Valérie. "Muscovitisation et feldspathisation hydrothermales dans le massif granitique de Millas (Pyrénées orientales) : géométrie, géochimie, modélisation." Paris 6, 1990. http://www.theses.fr/1990PA066456.
Full textPassarrius, Olivier. "Vilarnau : étude archéologique d'un village et d'un cimetière paroissial en Roussillon (IXe-XVe siecles)." Tours, 2006. http://www.theses.fr/2006TOUR2012.
Full textThe search of the site of Vilarnau, who took place from 1996 till 2003, supplies another vision, archaeological this time, with the forming of the village grouped around the church. Vilarnau (Perpignan, Oriental Pyrenees) is mentioned for the first time in texts in XIth s and quickly form itself in three sharply different but close poles some of the others of less than 500 m : a castral pole considered in fief as the Lords of Canet (Vilarnau d'Avall), an ecclesial pole organized around the church Saint Christophe And of its cemetery (Vilarnau d'Amont) and finally the second castral pole (Vilarnau d'Amont), situated in approximately 300 m of the church and considered in fief as the abbey Cistercian of Valbone. The quasi-exhaustive archaeological study of this village polynucléaire allows to redraw the story, since its birth in IXth s around the church up to its abandonment at the beginning of XIVth s. The data of ground are enriched by an analysis of the written documents kept in archives : Rare for the XIe-XIIIe s, they become more plentiful at the end of the Middle Ages. Four main subjects constitute the objectives of this search : - The organization of the populating and the role of the poles - one, and doubtless two castles, with clod, ditches, farmyard - the church, the cemetery ; the rhythms and the breaks of the growth and the decline these pits ; - The organization and the management of Vilarnau d'Amont's cemetery and its relations with the forming of the village ; - The peasant house, its evolution and its integration in the rustic space ; - The integration of a wider vision, that of the whole rustic finage
Corre, Benjamin. "La bordure nord de la plaque ibérique à l'Albo-Cénomanien : architecture d'une marge passive de type ductile (Chaînons Béarnais, Pyrénées Occidentales)." Thesis, Rennes 1, 2017. http://www.theses.fr/2017REN1S083/document.
Full textSub-continental lithospheric mantle rocks are exhumed at the foot of magma-poor distal passive margins as a response to extreme stretching of the continental crust. Remnants of the Northern Iberian paleo-passive margin are now exposed in the Northern Pyrenees in the Chaînons Béarnais (North Pyrenean Zone: NPZ) and represent field analogues to study the processes of continental crust thinning and subcontinental mantle exhumation. The NPZ results from the inversion of basins opened between the Iberia and Europa plates during Albo-Cenomanian times. In the Chaînons Béarnais ranges the pre-rift Mesozoic sedimentary cover is associated with peridotite bodies in tectonic contact with small size Paleozoic basement lenses. Continental extension developed under hot thermal conditions, as demonstrated by the syn-metamorphic Cretaceous ductile deformation affecting both the crustal basement and the allochtonous Mesozoic cover locally in direct contact with exhumed mantle rocks. In this study, we present structural and geochemical data providing new constraints to the knowledge of extreme crustal thinning processes and to reconstruct the evolution of the northern Iberia paleo-margin. The pre-rift cover was detached from its Paleozoic bedrock at the Keuper evaporites level and was welded to mantle rocks during their exhumation in the bottom of the basins. The crust/mantle detachment fault is a major shear zone characterized by anastomosed shear bands defining a plurimetric phacoidal fabric at the top of the serpentinized mantle. Raman Spectroscopy on Carbonaceous Materials (RSCM), performed on the Mesozoic cover reveals that the entire sedimentary pile underwent temperatures ranging between 200°C and 480°C. This sedimentary pile displays numerous evidence of infiltration by geological fluids. The fluid/rock interactions went on during the entire extensional events, since early deep phases characterized by ductile deformation, to late shallower stages characterized by brittle deformation. The detachment is marked by a layer of metasomatic rocks, locally up to 20 meters thick, made of talc-chlorite-pyrite-rich rocks that developed under greenschist facies conditions, including fluids derived from mantle rocks serpentinisation. Moreover, isotopes geochemistry (O, C, Sr) and microthermometry/Raman spectrometry of fluid inclusions in a network of calcitic veins (with quartz locally) in the overlying sediments reveal moderate temperatures (~220°C) brines circulation through the whole sedimentary cover during mantle exhumation. These brines likely derived from the dissolution of the local Triassic evaporites, rarely preserved in the Chaînons Béarnais. We developed a conceptual model based on geological evidence from the Chaînons Béarnais. Implying ductile deformation of the middle crust. Counter-regional detachments (dipping toward the continent) are associated to the individualization of mid-crustal thin tectonic lenses which remain welded on the mantle rocks and are exhumed at the floor of the Albian-Cenomanian basins, leaving behind the upper and the lower crust. These crustal lenses welded on mantle rocks then form a large zone of extremely thinned continental crust. Breaking points in this thin crustal sheet allow mantle rocks to come in direct contact with the pre-rift sediments (Saraillé, Turon de la Técouère). Breaking points in the pre-rift cover allow mantle rocks to be completely exhumed to the seafloor (Urdach-Les Pernes)
Catafau, Aymat. "Les "celleres" du Roussillon. Une approche de la naissance des villages dans l'ancien diocèse d'Elne (Xe-XVe siècles)." Toulouse 2, 1997. http://books.openedition.org/pupvd/1798.
Full textAstruc, Joël. "L'impact du tourisme : critères d'évaluation et gestion locale : exemple de la côte du Roussillon (Pyrénées-Orientales)." Paris 1, 1996. http://www.theses.fr/1996PA010686.
Full textIn order to evaluate the impact of tourism at a local scale, it's necesary to include the socials, economicals and environmentals aspects to be able to figure out the whole consequences of tourism's development. Proposition of "schematizing tourism system" permits to caracterize the different types of impacts and leads to define a general matrix of analysis. The operational test of the matrix is based on case of the Roussillon coast (Pyrénées-Orientales, France). The caracteristics of the flow of tourists, the evolution of littoral urbanization, the touristical "functions", etc. , show the global coherence of the touristical process as a "system" and provide arguments destinate to local planners
Bresset, Vivette. "Contribution à l'étude phyto-écologique des sapinières oriento-pyréneennes." Nice, 1986. http://www.theses.fr/1986NICE4051.
Full textTirach, Alventosa Pasqual. "Malnominació a la Catalunya Nord : estudi sincrònic dels sobrenoms nord-catalans, testimoniatges lingüístics i culturals." Perpignan, 1997. http://www.theses.fr/1997PERP0304.
Full textThe thesis is based on an empirical material (13 500 nicknames) collected orally in the catalan-spoken area of the french department, pyrenees-orientales, also called northern catalonia (220 villages). The present work consists of three main axis: 1. An introduction that presents the nicnaming-phenomenon in a historical framework and in it's social environment, the village community. 2. A detailed linguistic analysis of the nick-names (morphology, syntax, phonetics and lexicon) which treats profoundly the contact between languages and which shows how the nicknames reflect the local, linguistic reality. 3. A more symbolic research, based on the sens of the nicknames (semantics) and the collected anecdotes (origin) which reveals the sources of inspiration and the popular mentalities hidden behind this extra-legal naming
Ramonéda, Joseph. "Cléricalisme et anticléricalisme durant la IIIème République dans les Pyrénées Orientales (1870-1906)." Perpignan, 2008. http://www.theses.fr/2008PERP0892.
Full textFrom 1870 to 1906, in the Pyrénées-Orientales, there was a clash, sometimes violent, between clericalism and anticlericalism to control people's minds and behaviour. The period of our History remains essential to understand the evolution of people's minds and habits and to understand what is today one the bases of our republican pact: secularity
Desclaux, Emmanuel. "Les petits vertébrés de la Caune de l'Arago (Tautavel, Pyrénées-orientales) : paléontologie, paléoécologie, taphonomie." Paris, Muséum national d'histoire naturelle, 1992. http://www.theses.fr/1992MNHN0006.
Full textRedon, Gaëlle. "Les troupes, les compagnies théâtrales et leurs organisations." Paris 3, 2004. http://www.theses.fr/2004PA030114.
Full textThe organisation of both amateur and professional theatre groups has greatly evolved over the last couple of years, in the department of the Pyrénées-Orientales (Languedoc-Roussillon). Having a director is not always essential to these groups anymore. This is fuelled as much by the desire of the comedians to be versatile, as by an economical necessity, notably within the professional companies. The decrease in the number of members is the result of a similar process. These associative groups are providers of social bonds as well as providers of employment, situated within the private circle as well as the public circle. Consequently, their organisational structure influences their relationships with the group environment as much as the group environment affects the running of the organisation. The organisational structure's ability to adapt, maintain balance and capacity to evolve is therefore crucial
Pujol, Daniel. "Patrimonialisation et logiques identitaires : une étude sur les représentations du patrimoine et de l'identité dans les Pyrénées catalanes." Perpignan, 2008. http://www.theses.fr/2008PERP0824.
Full textIdentification can be conceived as a dynamic process which produces boundaries between Us and the Others. In respect of this definition, heritage appears, via the process of patrimonialization, as a way of telling stories about origins. Therefore, heritage can be viewed as a discourse on identity and can be used as a tool by the politics. On the basis of this hypothesis, we try to analyse, in the specific case of the Catalan Pyrenees where we can observe different ways of thinking membership, the connexions between heritage, memory and identity in order to highlight the political instrumentalizations of cultural heritage
Gendron, Jean-Marie. "Les Chironomidés (Diptera) de l'Aude, rivière méditerranéenne des Pyrénées-Orientales. Impact d'une crue catastrophique." Toulouse 3, 1996. http://www.theses.fr/1996TOU30026.
Full textPeyre-Costa, Pascale Costa. "Salmonelloses dans le département des Pyrénées-Orientales de 1980 à 1985 : enquête épidémiologique." Montpellier 1, 1988. http://www.theses.fr/1988MON11111.
Full textTeixidor, Concone Emmanuelle. "L'homicide dans la jurisprudence du Conseil Souverain du Roussillon : 1660-1791." Perpignan, 2004. http://www.theses.fr/2004PERP0536.
Full textHomicide is examined through the jurisprudence from the higher judicial authority, the Conseil Souverain in France's newly-annexed county of Roussillon during the seventeenth and eighteenth centuries. The act of killing always bred interest. Every time, in every country, one of the first legislative preoccupations, however primitive, was to punish it. While it remains linked to the Judaeo-Christian notion non occides, deliberate homicide is not the only form taken by the crime. Homicide is a term covering many crimes : fortuitous manslaughter, involuntary homicide, plain deliberate murder, ambush murder, assassination, necessary homicide. The notion goes further, when we consider the status of involved persons. Homicide may double as parricide, fratricide, uxoricide or infanticide. And when the perpetrator is the victim, homicide is called suicide or duel ("self-homicide"). Even though it's only the crime as considered by special penal law, since death may be desired but not obtained, or go beyond the agent's purpose, etc. Homicide is a vastly rich notion. Thus, once the proof has been provided, its repression could not be homogenous being, in addition, largely individualized. Circumstances (time, place, felon-bound like his dementia or its minority. . . ) interact with the magistrate's decision. In a time when the law was not the primary source of rights, the Conseil Souverain's policy deserved to be studied separately and comparatively to the Kingdom's judicial uses
Tréton, Rodrigue. "Recueil des chartes de la maison du temple du Mas Déu en Roussillon (1001-1329) : étude et édition." Paris 1, 2007. http://www.theses.fr/2007PA010624.
Full textAngelats, Robin. "L'action de l'administration forestière dans les Pyrénées-Orientales (1827-1914), de la protection des ressources forestières à la protection des richesses naturelles." Perpignan, 1997. http://www.theses.fr/1997PERP0308.
Full textMallet, Géraldine. "Les cloitres demontes du roussillon des 12eme, 13eme et 14eme siecles." Toulouse 2, 1992. http://www.theses.fr/1992TOU20025.
Full textTwenty choisters are erected in roussillon (now pyrenees-orientales) between the early 12th century and the end of the 14th century. The romanesque, the pre-gothic and the gothic styles are represented there. Seventeen of them are been destroyed entirely or partially at various ages and different circumstances. Old documents, archeological signs and inventories of scattered fragments (sometimes as far as the united states of america) allow to made some tries of reconstition, completing and sometimes correction the knowledge of medieval monastic architecture and monumental sculpture in roussillon
Lugand, Julien. "Peintres et doreurs en Roussillon (1650-1730)." Toulouse 2, 2004. http://www.theses.fr/2004TOU20071.
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