基于GIS的陕北黄土高原土地生态系统水土保持价值评价

李晶,任志远

Research on the Value of Soil and Fertilization Conservation in loess plateau in northern shaanxi pronvice

中国农业科学 . 2007, (12): 2796 -2803 . DOI: 10.3864/j.issn.0578-1752.au-2007-00448