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Today there is only one lichenometric curve in the French Alps for the Haute Ubaye valley. This study presents a growth curve constructed for Rhizocarpon subgenus Rhizocarpon of the Ailefroide and Veneon valleys, which are located in the Massif des Ecrins. In order to establish this curve, we used the modal values from tests carried out on the five largest lichens, the mean values of the five largest...
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