Fig. 1

Origin of the oak provenances and location of the test sites. Blue dots correspond to Q. petraea provenances, red dots to Q. robur provenances and yellow dots to the test sites (from West to East: La Petite Charnie, Vierzon, Vincence and Sillegny). Green area corresponds to the distribution of Quercus petraea (Caudullo, Welk et al. 2017)