Range expansion, genetic differentiation, and phenotypic adaption of Hippophaë neurocarpa (Elaeagnaceae) on the Qinghai–Tibet Plateau Advance in studies of carbon cycling on alpine grasslands of the Qinghai-Tibetan Plateau Status of some selected major and trace elements in pasture soil from northeast of the Qinghai-Tibetan Plateau The analysis of snow information from 1979 to 2007 in Qinghai-Tibetan Plateau Correlation among vegetation characteristics, temperature and moisture of alpine meadow in the Qinghai-Tibetan Plateau