Photosynthetic Characteristics of Three Typical Tree Species at Different Altitudes in Beishan, Lanzhou
LIU Minxia, YU Ruixin, MU Ruolan, XIA Sujuan
Ecology and Environment . 2021, (10): 1943 -1951 .  DOI: 10.16258/j.cnki.1674-5906.2021.10.001