supported by the National Basic Research Program of China(Grant No.2012CB956102);the National Natural Science Foundation of China(Grant Nos.41071126,41125006,41401227);the China Postdoctoral Science Foundation(Grant No.2014M550822)
The modern pollen assemblages of surface lake sediments and topsoils in northwestern China were studied to understand the relationship of modem pollen data with contemporary vegetation and climate, and the differences...