黄土高原丘陵沟壑区脆弱农业生态系统服务评价—

高旺盛, 董孝斌,

Valuation of fragile agriculture ecosystem services in loess hilly-gully region:a case study of Ansai county

GAO Wang-sheng, DONG Xiao-bin

自然资源学报 . 2003, (2): 182 -188 . DOI: 10.11849/zrzyxb.2003.02.009