Differences of stomatal ozone uptake in leaves of mature trees and seedlings of Zelkova serrata.

Ozone uptake through the stomata in tree leaves is an important process for improving air quality by urban trees. Stomatal conductance (g) is a key determinant of stomatal ozone uptake. The parameterization of g models for estimating stomatal ozone uptake of trees has mainly been carried out using g data measured in seedling leaves although the leaf traits may differ between mature trees and seedlings.