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Academic literature on the topic 'Yangzijiang, Vallée du (Chine)'
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Journal articles on the topic "Yangzijiang, Vallée du (Chine)"
Cornet, Candice. "Le tourisme et le développement économique des régions reculées et ethniques de Chine." Anthropologie et Sociétés 34, no. 2 (February 23, 2011): 163–76. http://dx.doi.org/10.7202/045711ar.
Full textBidaux, P., C. Drogue, A. Dai, and J. S. Tang. "Reconnaissance de certains caractères chimiques des eaux souterraines des séries carbonatées karstiques dévono--carbonifères de Chine méridoniale." Revue des sciences de l'eau 1, no. 3 (April 12, 2005): 253–76. http://dx.doi.org/10.7202/705012ar.
Full textDissertations / Theses on the topic "Yangzijiang, Vallée du (Chine)"
Tao, Xiaofan. "Le Yangzi, du fleuve à la région ? : les recompositions spatiales de l'urbain et les politiques d'aménagement d'un grand bassin hydrographique." Phd thesis, Université Panthéon-Sorbonne - Paris I, 2012. http://tel.archives-ouvertes.fr/tel-00756922.
Full textHe, Yongfeng. "Structure of endemic fish assemblages in the upper Yangtze river basin and population differentiation of an endangered endemic fish (Gobiocypris rarus)." Toulouse 3, 2010. http://thesesups.ups-tlse.fr/913/.
Full textThe Yangtze River, also called Changjiang, supports rich biodiversity, especially diverse fish fauna, i. E. , about 400 fish species and subspecies. As an eco-functional barrier of the Yangtze River, the upper Yangtze River exhibits complicated natural environment, pronounced habitat heterogeneity, well-developed drainage system, abundant water resources and rich biodiversity. There were 286 fish species and subspecies distributing in the upper Yangtze River, among which 124 species were endemic. However, these fish resources are experiencing large threats: overexploitation, water pollution, hydropower projects, invasion by exotic species, and global environmental changes. It is imperative to evaluate the influences of the changes in environmental features on the fish resources and to accelerate the progress of conservation projects. Therefore, two parts of content have been studied in this thesis for the conservation of endemic fishes in the upper Yangtze River. Firstly, for the purpose of providing insight into mechanisms structuring fish assemblages and enhancing knowledge on ecological processes in the upper Yangtze River, spatial pattern of endemic fishes in the upper Yangtze River basin and their relationship with environmental features have been studied in P1 and P2 of this thesis. We identified five endemic fish assemblages in the upper Yangtze River basin. Not only species composition but also endemic species richness varied significantly among these five assemblages. They not only reflect the longitudinal gradient pattern but also are closely correlated with the topography and geomorphology of the Yangtze River. Each endemic fish assemblage has its specific indicator species. The endemic fish distribution patterns are significantly correlated with environmental factors such as land-cover features and river characteristics. The mixed models containing both land-cover features and river characteristics are more effective than any individual one in explaining complex endemic fish distribution patterns in the upper Yangtze River basin. Finally, we suggested that three key points for the conservation of endemic fishes in the upper Yangtze River basin should be paid more attention: selection of several protected sites aiming at various species; maintenance of at least one flowing reach in each river; developing the conservation of tributaries. Secondly, in order to obtain enough background of an endangered endemic fish (Gobiocypris rarus) and provide guidelines for other species conservation in the upper Yangtze River basin, the author used this Chinese rare minnow (G. Rarus) as an example to do the studies of conservation biology using microsatellite markers and morphological traits in P3, P4 and P5 of this thesis. .
Lu, Tracey Lie Dan. "The transition from foraging to farming and the origin of agriculture in China /." Oxford : J. & E. Hedges, 1999. http://catalogue.bnf.fr/ark:/12148/cb37191931c.
Full textVeron, Emmanuel. "Les espaces ruraux à l'heure du tourisme citadin : l'exemple du delta du Yangzi - Chine." Thesis, Paris 1, 2016. http://www.theses.fr/2016PA01H034/document.
Full textThis thesis examines the tourist dynamic, contemporary of reforms, in rural areas of the megalopolis of the Yangzi Delta. The tourism process in rural areas is studied with regard to rural modernization policies (supervised by the central government, decentralized to local levels, in conjunction with private actors) on the one hand, and urban perceptions mutations of the middle class, enjoying free time, economic resources and the other materials on the other band. Tourist practices have been considered from the perspective of the experience of tourists and starting motivations. The countryside is an original form of tourism; the facilities are divided into four categories: village, town, ù1eme park and natural Park. The tourist places in the countryside were then analyzed according to three inputs: rural modernization, construction of identity and local planning tool. Finally, rural tourism areas, conscripts marked places, contribute firstly to spatial and economic dynamics of the Yangtze Delta region, dominated by the metropolis of Shanghai and the other in territorialities construction of provinces and municipalities
Zhu, Bin. "Impact des barrages sur la génétique des populations d'esturgeon chinois (Acipenser sinensis) : contribution du repeuplement des juvéniles à la diversité des populations naturelles." Toulouse 3, 2004. http://www.theses.fr/2004TOU30069.
Full textMilhaud, Stéphane. "Les petites villes, de nouveaux centres pour le développement territorial chinois : l'exemple de la province du Zhejiang." Thesis, Paris 1, 2013. http://www.theses.fr/2013PA010672/document.
Full textThis PhD in urban geography focuses on the evolution of the urban framework since the early 1980 : in the province of Zhejiang in China. The unprecedented size and rapidity of Chinese urbanization have transformed both their structure and territorial distribution. Zhejiang province, whose urbanization rate increased from 13.7 to 61.6% between 1980 and 2010, is located south of Shanghai. It covers a part of the Yangtzi Delta region, one of the biggest metropolitan areas in China, and highlights the urban transformations both within such thriving territories and in peripheral areas. The development of small cities, with a population between 100,000 and 500,000 inhabitants is proving to be the most common feature of the evolution of its urban framework: while the province had only 13 small cities in 1990, they were 45 in 2000 and 52 in 2010. Focusing on these urban entities, this research work analyses the impacts of a standardized urban planning, guided by the overriding objective of economic growth. Promoting small cities in the urban hierarchy, these planning practices nevertheless cause socio-spatial divisions. In addition, the absence of a rigorous regional planning does not anticipate an urban selection already started. The relations between urban cores and their rural peripheries are renewed, and lead to a redistribution of activities and populations in a mixed functional space. The chosen angle is to reveal the complex links between urban practices largely shared in China and socio-economic as well as space realities in order to outline the shape of the new urban framework. Small cities have new roles to play and support an on-going renewal of the urban hierarchy
Cheng, Lin. "Variations of fish composition and diversity related to environmental variables and construction of predictive models in lakes in the Yangtze river basin." Toulouse 3, 2010. http://thesesups.ups-tlse.fr/1590/.
Full textOur aim in the present study was to analyze factors explaining fish community patterns of fish assemblages in lakes in the Yangtze River basin, based on environmental variations. Moreover, considering anthropogenic pressures on those lakes, we detected the effects of river-lake connections and aquaculture on fish community in those lakes. Firstly, we focused on the relationship between environment and fish community in shallow lakes in P1 and P2. Six lakes were chosen for comparative study of species composition and diversity in relation to environmental variations. Lake heterogeneity was described with environmental physico-chemical variables, using principal component analysis. Sixteen families, composed of 75 species of fishes were found in the studied lakes, Species richness and diversity were significantly higher in vegetated lakes (e. G. The Liangzihu Lake) than that in non-vegetated lakes (e. G. Biandantang Lake), and seasonal changes of fish community were more obviously in vegetated habitats than that in unvegetated areas. According to each species' CPUE in each sampling site from 6 lakes spatially distributed in the mid-reach of the Yangtze River basin, fish communities were classified into three clusters of species assemblages. Fish community assemblages, the total fish CPUE, diversity and species richness in those lakes were then predicted by 15 biotic and abiotic factors using random forest (RF) and classification and regression tree (CART) predictive models. The dominant variables for discriminating three fish assemblages were water depth, distance to the bank and total phosphorus. While the two important variables in prediction fish CPUE, diversity and species richness were lake surface area and water depth, density of rotifer and water depth, water depth and water temperature, respectively. Secondly, 70 lakes were chosen to study factors structuring fish patterns and species richness in lakes in the Yangtze River basins in P3. Those lakes were classified into three clusters according to their fish species compositions using self-organizing map. It was mainly determined by altitude, longitude, annual precipitation and lake area to classify the three clusters. The environment of lakes between cluster 2 and 3 are more similar than that in cluster 1. Lakes of cluster 1 spatially distributed in the upper reach of the Yangtze River basin with high altitude, the most contribution environmental factors were water depth, air temperature and day length for lakes of this cluster. Lakes of cluster 2 & 3 were mainly distributed in middle and lower reach of the Yangtze River basin, the significant difference between the two cluster lakes was lake area, which was significant higher in lakes of cluster 3. The most contribution environmental factor was air temperature for cluster 2 and water depth for cluster 3. The species richness for each lake ranged from 1 to 117, which was significantly different among the three clusters and between each two of them. The highest value of species richness was appeared in cluster 3, while, the highest value of beta diversity were detected in cluster 1 with the lowest value of species richness. The most important role in predicting the species richness was air temperature. Finally, we used temporal data (ranging from 1970 to 2010) from a set of lakes (n = 8) to quantify the abiotic and biotic consequences (i. E. Taxonomic and functional diversity of fish communities) of river-lake connections and aquaculture in P4. There were significant abiotic changes that mainly occurred after the 1990s. In the case of fish diversity, we detected a trend (although not significant) towards a decrease in species richness over the period studied. Interestingly, we found that the taxonomic similarity (i. E. Beta-diversity) among fish communities increased significantly over the years, indicating a strong homogenization of the fauna across the lakes. Additionally, we found that fish functional diversity has decreased in most lakes since the 1970s. Particularly, most migratory fish species, particularly those with long life-span and large body size, disappeared from the lakes, hence contributing substantially to the observed decrease in functional diversity
Palmioli, Andrea. "China : capillarity and territory : paradigms of diffuse urbanization." Thesis, Paris Est, 2018. http://www.theses.fr/2018PESC1080/document.
Full textThe territorial scale and the form of the territory are fundamental basis to understand metropolitan processes and the changes occurred in its spatial, economic and social structure. The centrality of landforms and of their dynamics inspires more situated approaches, in which the agency of natural elements is integrated. This research investigates the existence of new forms of emerging rurality in the metropolitan basin of the Yangtze Delta. In opposition to the growing gap between infrastructural heritage and society, the priority of the territory is reaffirmed as a theoretical tool and environmental paradigm. The research hypothesis is that the spread of small and medium-sized enterprises in rural areas represents a form of capitalization of the spatial reorganization occurred in the Commune's period. The preliminary factor which originated the process of rural industrialization is based on the restructuring of two strategic territorial resources: the soil structure and the water network. These transformations have led to the formation of numerous hybrid spaces and clusters of small and micro enterprises dispersed over the countryside. As a result, this mode of production has, in turn, reshaped the relationship between the local economy, communities and natural environment giving rise to forms of urban development without fractures, where the relationship between the built space and the agricultural area is no longer of an opposite nature. What emerges is a network of "milieu” where the resulting socio-spatial organization shows a pattern of capillary urbanization in these conventionally defined "non-urban" areas. The notion of urban is changing and ecological rationality can offer fundamental opportunities to analyse, intersect and integrate the various territorial layers
Brossard, Marine. "The Riverscape of the Yangzi’s Three Gorges : landscape and the National Imaginary in the People’s Republic of China (1994-2014)." Thesis, Lyon, 2018. http://www.theses.fr/2018LYSE3049.
Full textThis thesis examines the relation between landscape and the national imaginary in the context of the Yangzi’s Three Gorges transformed riverscape in the People’s Republic of China through the exploration of three kinds of landscape dimensions: political, poetic and economic. First, the study of the political dimensions highlights the commodification of the Three Gorges landscape performed by the State through the invisibilisation of the landscape’s disappearance, as well as the massive absence of agency from the people in its relating to the national landscape, thus concluding in the exhaustion of landscape appreciation. Second, the study of the poetic dimensions analyses Yan Changjiang 颜长江’s book Three Gorges Diary, a literary and photographical diary recounting the last years of the riverscape before its submersion and expressing an intense emotion of regret leading to a burst of resistance. Third, the study of the economic dimensions considers the inside of the riverscape with an ethnographic study carried out in a village located at the entrance of the Qutang Gorge and reflects upon the issue of the absence of landscape due to the lack of distancing exteriority, and the issue of the economic appearance of landscape related to the question of the relation between landscape and rural land rights and to the context of the national event of the tightrope walk over the Qutang Gorge that took place in 1995. Finally, starting in 1994 with the beginning of the construction of the Three Gorges Dam and ending in 2014 with the free entrance to the Three Gorges Dam touristic spot granted to all the “Chinese” visitors (with a racial definition extended to non-mainlanders), this thesis ends on a long conclusion in the form of an essay on the question of the kitschification of reality in the context of postmodernity in the 2010’s and on the subversive potential of the imagining of a new landscape appreciation in opposing the commodification of reality