The Individual Distribution Patterns and Soil Elements Heterogeneity During the Degradation of Grassland in Ordos
CHENG Xiao-Li, AN Shu-Qing, LI Yuan, ZHUO Yuan-Wu, GUAN Yong-Jian, LIU Shi-Rong
Chin J Plan Ecolo . 2003, (4): 503 -509 .  DOI: 10.17521/cjpe.2003.0073