supported by the President Fund and Innovation Program of the Chinese Academy of Sciences (KZCX2-YW-Q09-04);the National Natural Science Foundation of China (40871098,40920114001 and 40802041);the National Basic Research Program of China (2005CB422000)
Two lacustrine sporopollen records obtained from the Qaidam Basin (in the non-monsoonal region) and the Linxia Basin (in the monsoonal transition zone) indicate that during the early Pleistocene open forest-steppe/ste...