La restauration hydromorphologique d'un hydrosysteme sociale. Étude de cas du Danube en Roumanie

2016 Cinq Continents  
Hydromorphologic restoration of a social hydrosystem. Case study of the Danube River in Romania. This paper synthetizes river restoration projects implemented on the Lower Danube in Romania, focusing on hydromorphological entries and exits and on their relations with the society. At large scale, on Lower Danube in Romania, the declaration of Lower Danube Green Corridor (2000) and the program of Ecological and economic resizing of Danube floodplain's Romanian sector (2008) aim to restore vast
more » ... as of the river natural floodplain. Too ambitious, these plans were implemented only by seven small scale projects (mean area ~2600 ha). Regarding the hydromorphological approach, the lateral reconnection of the water flow is considered locally improved by dikes' opening or canals' closing/opening. However, the lateral sediment depositing is perceived as a negative effect even if it is part of river natural functioning. Concerning the social approach, these projects are presented as socio-economical efficient by their planners, but normatively restrictive by local communities. Therefore, it seems necessary to revise the scientific objectives of river restoration projects by promoting the morphological diversity. Furthermore, it appears essential to reconcile the scientific approach with the socio-economic needs of the local communities.
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