supported in part by the National High-Tech Research & Development Program of China (Grant No.2011AA120304);National Key Technology R&D Program of China(Grant Nos. 2011BAB01B06 and 2006BAB05B06)
Semiarid loess hilly areas in China are enduring a series of environmental conflicts between urban expansion,cultivated land conservation,soil erosion and water shortage,and require land use allocation to reconcile th...