Abstract:Sophora moorcroftiana is an endemic shrub species in Tibet,which mainly distributes in the middle reaches area and several main tributaries‘ wide valley such as Nianchu River and Lhasa River of Yalu Tsangbo River.In order to evaluate how water-heat changing induced by plateau altitude affects the growth and reproduction of S.moorcroftiana in Tibet Plateau,some parameters of growth and reproduction of the natural population at a transect from 3139 m to 3925 m above sea level,about 600 km in length,along the...