Interactive O3 and CO2 effects on leaf surface physiochemical characteristics in paper birch (Betula papyrifera March.) and three aspen (Populus tremuloides Michx.) clones: Results from the Aspen FACE project (FACTS II)

K. Percy
D. Karnosky
B. Mankovska
J. Sober
J. Isebrands
G. Hendrey
K. Pregitzer

Abstract