Elevated CO <sub>2</sub> increases tree-level intrinsic water use efficiency: insights from carbon and oxygen isotope analyses in tree rings across three forest FACE sites

TitleElevated CO 2 increases tree-level intrinsic water use efficiency: insights from carbon and oxygen isotope analyses in tree rings across three forest FACE sites
Publication TypeJournal Article
AuthorsBattipaglia G, Saurer M, Cherubini P, Calfapietra C, McCarthy HR, Norby RJ, M. Cotrufo F