Climate Changes and Ecological Effects of the Grasslands in the First Meander of the Yellow River
YAO Yu-bi, YIN Dong, WANG Rong-yuan, DENG Zhen-yong, ZHANG Xiu-yun
JOURNAL OF GLACIOLOGY AND GEOCRYOLOGY . 2007, (4): 570 -577 .  DOI: 10.7522/j.issn.1000-0240.2007.0081