Spatial Pattern of Biological Soil Crusts and its Changes in Gurbantunggut Desert during the 1970 to the 2000
YANG Wei, CHEN Jin, ZHANG Yuan-ming, WANG Xue-qin
JOURNAL OF NATURAL RESOURCES . 2006, (6): 934 -941 .  DOI: 10.11849/zrzyxb.2006.06.010