Mesophyll conductance and leaf carbon isotope composition of two high elevation conifers along an altitudinal gradient

Jiemin Guo1, Daniel Patrick Beverly2, Craig Cook1, Brent Ewers3 and David G Williams4, (1)University of Wyoming, Laramie, WY, United States, (2)Indiana University Bloomington, Bloomington, IN, United States, (3)University of Wyoming, Botany, Laramie, WY, United States, (4)University of Wyoming, Botany, Laramie, United States