Ozone Effects on the Competitive Ability and Fitness of Aspen (Populus tremuloides Michx.) Trees: Growth, Survival and Leaf Surface Impacts Along an Ozone Gradient Over a Five-year Period

D F. Karnosky
K Percy
B Mankovska
T Pritchard
A Noormets
R E. Dickson
E Jepsen
J G. Isebrands

Abstract