Initial repercussions and hydroelectric developments in the French upper rhone valley: A lesson for predictive scenarios propositions |
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Authors: | Guy Pautou Jacky Girel Jean-Luc Borel |
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Institution: | (1) Université Joseph Fourier, Grenoble, France;(2) Laboratoires d'Ecologie, Equipe de Recherche “Ecologie des Populations et des Communautés alluviales”, BP 53 X, 38O41 Grenoble Cedex, France |
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Abstract: | The authors demonstrate the difficulties inherent in predicting vegetation changes in floodplains affected by hydroelectric
developments. The results are based on phytoecological studies in the Rhone River valley between Geneva and Lyon. The study
is based in a 200-km stretch of river where the floodplain can attain 10 km in width. Vegetation is described for the area
prior to the construction of four dams and compared with the situations 8 yr later. Research methods include systematic sampling
of geomorphological, soils, and floristic factors; collection of a data base of spatial information; and large-scale vegetation
mapping. |
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Keywords: | Vegetation Floodplains Hydroelectric developments Impacts Predictive scenarios Models Ecological mapping |
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