International audienceWetlands are among the most productive environments in the world and are characterized by exceptional biologicaldiversity. Despite their indisputable importance, these environments remain among the most endangeredecosystems in the world due to drainage, drying out, pollution or overexploitation of resources. The Danube Delta,a coastal wetland of the Black Sea, cannot escape these dangers and, to preserve its resources, it has been declareda Biosphere Reserve (in 1993). The biodiversity of this area is remarkable and it possesses one of the largest reedin the world (a continuous 2,700 km2 reed cover).The main goal of this project is to determine, characterize and derive functional descriptors of the vegetationstructures...